./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 551b0097 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.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 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-551b009-m [2025-01-10 02:16:01,069 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-01-10 02:16:01,137 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-01-10 02:16:01,141 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-01-10 02:16:01,141 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-01-10 02:16:01,166 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-01-10 02:16:01,167 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-01-10 02:16:01,167 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-01-10 02:16:01,168 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-01-10 02:16:01,168 INFO L153 SettingsManager]: * Use memory slicer=true [2025-01-10 02:16:01,168 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-01-10 02:16:01,168 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-01-10 02:16:01,169 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-01-10 02:16:01,169 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-01-10 02:16:01,169 INFO L153 SettingsManager]: * Use SBE=true [2025-01-10 02:16:01,170 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * sizeof long=4 [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * sizeof long double=12 [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-01-10 02:16:01,170 INFO L153 SettingsManager]: * Use constant arrays=true [2025-01-10 02:16:01,171 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:16:01,171 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:16:01,171 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-01-10 02:16:01,171 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-01-10 02:16:01,172 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-01-10 02:16:01,172 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-01-10 02:16:01,172 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 -> 6ac61a60e8702da390cdc74b87fa3424e0fd152a4ccfcd2c9fd7af24a4bb7ac5 [2025-01-10 02:16:01,419 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-01-10 02:16:01,427 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-01-10 02:16:01,429 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-01-10 02:16:01,430 INFO L270 PluginConnector]: Initializing CDTParser... [2025-01-10 02:16:01,431 INFO L274 PluginConnector]: CDTParser initialized [2025-01-10 02:16:01,432 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2025-01-10 02:16:02,652 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b98db221f/5646c3ea1c87405987e12500fba4701a/FLAG7c56e17a9 [2025-01-10 02:16:02,901 INFO L384 CDTParser]: Found 1 translation units. [2025-01-10 02:16:02,902 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/lcm1_unwindbound50.c [2025-01-10 02:16:02,909 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b98db221f/5646c3ea1c87405987e12500fba4701a/FLAG7c56e17a9 [2025-01-10 02:16:03,219 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/b98db221f/5646c3ea1c87405987e12500fba4701a [2025-01-10 02:16:03,223 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-01-10 02:16:03,224 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-01-10 02:16:03,226 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-01-10 02:16:03,227 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-01-10 02:16:03,230 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-01-10 02:16:03,231 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,232 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1574222b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03, skipping insertion in model container [2025-01-10 02:16:03,232 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,246 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-01-10 02:16:03,394 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:16:03,401 INFO L200 MainTranslator]: Completed pre-run [2025-01-10 02:16:03,413 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-01-10 02:16:03,425 INFO L204 MainTranslator]: Completed translation [2025-01-10 02:16:03,426 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03 WrapperNode [2025-01-10 02:16:03,426 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-01-10 02:16:03,427 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-01-10 02:16:03,428 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-01-10 02:16:03,428 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-01-10 02:16:03,433 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,438 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,456 INFO L138 Inliner]: procedures = 14, calls = 24, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 87 [2025-01-10 02:16:03,457 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-01-10 02:16:03,458 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-01-10 02:16:03,459 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-01-10 02:16:03,459 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-01-10 02:16:03,465 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,465 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,466 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,475 INFO L175 MemorySlicer]: Split 9 memory accesses to 2 slices as follows [2, 7]. 78 percent of accesses are in the largest equivalence class. The 9 initializations are split as follows [2, 7]. The 0 writes are split as follows [0, 0]. [2025-01-10 02:16:03,476 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,476 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,478 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,478 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,483 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,484 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,484 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,489 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-01-10 02:16:03,490 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2025-01-10 02:16:03,490 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2025-01-10 02:16:03,490 INFO L274 PluginConnector]: RCFGBuilder initialized [2025-01-10 02:16:03,491 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (1/1) ... [2025-01-10 02:16:03,495 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-01-10 02:16:03,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:03,516 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) [2025-01-10 02:16:03,521 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 [2025-01-10 02:16:03,537 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-01-10 02:16:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-01-10 02:16:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-01-10 02:16:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-01-10 02:16:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2025-01-10 02:16:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-01-10 02:16:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-01-10 02:16:03,538 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-01-10 02:16:03,538 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-01-10 02:16:03,578 INFO L234 CfgBuilder]: Building ICFG [2025-01-10 02:16:03,580 INFO L260 CfgBuilder]: Building CFG for each procedure with an implementation [2025-01-10 02:16:03,728 INFO L? ?]: Removed 11 outVars from TransFormulas that were not future-live. [2025-01-10 02:16:03,729 INFO L283 CfgBuilder]: Performing block encoding [2025-01-10 02:16:03,735 INFO L307 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-01-10 02:16:03,737 INFO L312 CfgBuilder]: Removed 3 assume(true) statements. [2025-01-10 02:16:03,737 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:16:03 BoogieIcfgContainer [2025-01-10 02:16:03,737 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2025-01-10 02:16:03,738 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-01-10 02:16:03,738 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-01-10 02:16:03,743 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-01-10 02:16:03,743 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.01 02:16:03" (1/3) ... [2025-01-10 02:16:03,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce1a624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:16:03, skipping insertion in model container [2025-01-10 02:16:03,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.01 02:16:03" (2/3) ... [2025-01-10 02:16:03,744 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@ce1a624 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.01 02:16:03, skipping insertion in model container [2025-01-10 02:16:03,744 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.01 02:16:03" (3/3) ... [2025-01-10 02:16:03,745 INFO L128 eAbstractionObserver]: Analyzing ICFG lcm1_unwindbound50.c [2025-01-10 02:16:03,756 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-01-10 02:16:03,757 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG lcm1_unwindbound50.c that has 3 procedures, 47 locations, 1 initial locations, 3 loop locations, and 6 error locations. [2025-01-10 02:16:03,795 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-01-10 02:16:03,807 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;@6d13ff75, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-01-10 02:16:03,807 INFO L334 AbstractCegarLoop]: Starting to check reachability of 6 error locations. [2025-01-10 02:16:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:16:03,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:16:03,817 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:03,817 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:03,818 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:03,822 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:03,823 INFO L85 PathProgramCache]: Analyzing trace with hash 2022069437, now seen corresponding path program 1 times [2025-01-10 02:16:03,830 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:03,830 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [96386176] [2025-01-10 02:16:03,830 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:03,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:03,879 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:16:03,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:16:03,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:03,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:03,943 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:16:03,944 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:03,944 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [96386176] [2025-01-10 02:16:03,945 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [96386176] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:03,945 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2008663832] [2025-01-10 02:16:03,945 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:03,945 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:03,946 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:03,948 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) [2025-01-10 02:16:03,950 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 [2025-01-10 02:16:03,981 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:16:03,996 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:16:03,997 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:03,997 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:03,998 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-01-10 02:16:04,001 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:04,009 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2025-01-10 02:16:04,009 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:16:04,009 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2008663832] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:04,009 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:16:04,009 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-01-10 02:16:04,013 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1212554992] [2025-01-10 02:16:04,014 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:04,018 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-01-10 02:16:04,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:04,033 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-01-10 02:16:04,033 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:16:04,035 INFO L87 Difference]: Start difference. First operand has 47 states, 29 states have (on average 1.5862068965517242) internal successors, (46), 35 states have internal predecessors, (46), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:16:04,052 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:04,053 INFO L93 Difference]: Finished difference Result 90 states and 132 transitions. [2025-01-10 02:16:04,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-01-10 02:16:04,056 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 25 [2025-01-10 02:16:04,057 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:04,063 INFO L225 Difference]: With dead ends: 90 [2025-01-10 02:16:04,063 INFO L226 Difference]: Without dead ends: 39 [2025-01-10 02:16:04,066 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 26 GetRequests, 26 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-01-10 02:16:04,068 INFO L435 NwaCegarLoop]: 58 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, 58 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 [2025-01-10 02:16:04,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:16:04,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2025-01-10 02:16:04,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2025-01-10 02:16:04,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 39 states, 24 states have (on average 1.4166666666666667) internal successors, (34), 29 states have internal predecessors, (34), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:16:04,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 48 transitions. [2025-01-10 02:16:04,106 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 48 transitions. Word has length 25 [2025-01-10 02:16:04,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:04,106 INFO L471 AbstractCegarLoop]: Abstraction has 39 states and 48 transitions. [2025-01-10 02:16:04,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 5.0) internal successors, (10), 2 states have internal predecessors, (10), 2 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-01-10 02:16:04,107 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 48 transitions. [2025-01-10 02:16:04,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2025-01-10 02:16:04,108 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:04,108 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:04,115 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-01-10 02:16:04,309 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-01-10 02:16:04,309 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:04,310 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:04,310 INFO L85 PathProgramCache]: Analyzing trace with hash -2112941507, now seen corresponding path program 1 times [2025-01-10 02:16:04,310 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:04,310 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [691569973] [2025-01-10 02:16:04,310 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:04,310 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:04,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 25 statements into 1 equivalence classes. [2025-01-10 02:16:04,332 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 25 of 25 statements. [2025-01-10 02:16:04,333 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:04,333 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:04,450 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:04,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:04,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [691569973] [2025-01-10 02:16:04,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [691569973] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:04,452 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:04,453 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-01-10 02:16:04,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534135163] [2025-01-10 02:16:04,453 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:04,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:16:04,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:04,455 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:16:04,455 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:04,455 INFO L87 Difference]: Start difference. First operand 39 states and 48 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:16:04,511 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:04,512 INFO L93 Difference]: Finished difference Result 45 states and 54 transitions. [2025-01-10 02:16:04,512 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-01-10 02:16:04,513 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 25 [2025-01-10 02:16:04,513 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:04,514 INFO L225 Difference]: With dead ends: 45 [2025-01-10 02:16:04,514 INFO L226 Difference]: Without dead ends: 43 [2025-01-10 02:16:04,514 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:16:04,516 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:04,516 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 112 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:16:04,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2025-01-10 02:16:04,524 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 42. [2025-01-10 02:16:04,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 42 states, 27 states have (on average 1.3703703703703705) internal successors, (37), 32 states have internal predecessors, (37), 7 states have call successors, (7), 2 states have call predecessors, (7), 2 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-01-10 02:16:04,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 51 transitions. [2025-01-10 02:16:04,528 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 51 transitions. Word has length 25 [2025-01-10 02:16:04,529 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:04,529 INFO L471 AbstractCegarLoop]: Abstraction has 42 states and 51 transitions. [2025-01-10 02:16:04,530 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2025-01-10 02:16:04,530 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 51 transitions. [2025-01-10 02:16:04,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-01-10 02:16:04,530 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:04,531 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:04,531 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-01-10 02:16:04,531 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:04,531 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:04,532 INFO L85 PathProgramCache]: Analyzing trace with hash 1187336732, now seen corresponding path program 1 times [2025-01-10 02:16:04,532 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:04,532 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067037766] [2025-01-10 02:16:04,532 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:04,532 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:04,539 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-01-10 02:16:04,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-01-10 02:16:04,549 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:04,549 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:04,692 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:04,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:04,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067037766] [2025-01-10 02:16:04,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1067037766] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:04,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:04,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:16:04,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2092681612] [2025-01-10 02:16:04,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:04,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:16:04,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:04,693 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:16:04,693 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:16:04,694 INFO L87 Difference]: Start difference. First operand 42 states and 51 transitions. Second operand has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:16:04,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:04,866 INFO L93 Difference]: Finished difference Result 62 states and 74 transitions. [2025-01-10 02:16:04,867 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-01-10 02:16:04,867 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 35 [2025-01-10 02:16:04,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:04,868 INFO L225 Difference]: With dead ends: 62 [2025-01-10 02:16:04,868 INFO L226 Difference]: Without dead ends: 61 [2025-01-10 02:16:04,868 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:16:04,869 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 28 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 97 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 97 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:04,869 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 177 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 97 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:04,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2025-01-10 02:16:04,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 55. [2025-01-10 02:16:04,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 37 states have (on average 1.3513513513513513) internal successors, (50), 42 states have internal predecessors, (50), 9 states have call successors, (9), 3 states have call predecessors, (9), 3 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:16:04,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 68 transitions. [2025-01-10 02:16:04,879 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 68 transitions. Word has length 35 [2025-01-10 02:16:04,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:04,879 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 68 transitions. [2025-01-10 02:16:04,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.6666666666666665) internal successors, (16), 7 states have internal predecessors, (16), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:16:04,880 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 68 transitions. [2025-01-10 02:16:04,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-01-10 02:16:04,880 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:04,880 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:04,880 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-01-10 02:16:04,880 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:04,881 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:04,881 INFO L85 PathProgramCache]: Analyzing trace with hash -1847266907, now seen corresponding path program 1 times [2025-01-10 02:16:04,881 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:04,881 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [283296733] [2025-01-10 02:16:04,881 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:04,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:04,891 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-01-10 02:16:04,920 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-01-10 02:16:04,920 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:04,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:05,061 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:05,063 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:05,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [283296733] [2025-01-10 02:16:05,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [283296733] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:05,063 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:05,063 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2025-01-10 02:16:05,063 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523609468] [2025-01-10 02:16:05,063 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:05,064 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-01-10 02:16:05,064 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:05,064 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-01-10 02:16:05,064 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:16:05,065 INFO L87 Difference]: Start difference. First operand 55 states and 68 transitions. Second operand has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:16:05,165 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:05,165 INFO L93 Difference]: Finished difference Result 91 states and 111 transitions. [2025-01-10 02:16:05,166 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-01-10 02:16:05,166 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 36 [2025-01-10 02:16:05,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:05,167 INFO L225 Difference]: With dead ends: 91 [2025-01-10 02:16:05,167 INFO L226 Difference]: Without dead ends: 63 [2025-01-10 02:16:05,167 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:16:05,168 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 22 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:05,168 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 144 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:05,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 63 states. [2025-01-10 02:16:05,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 63 to 63. [2025-01-10 02:16:05,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 63 states, 44 states have (on average 1.2954545454545454) internal successors, (57), 49 states have internal predecessors, (57), 9 states have call successors, (9), 4 states have call predecessors, (9), 4 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2025-01-10 02:16:05,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 75 transitions. [2025-01-10 02:16:05,174 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 75 transitions. Word has length 36 [2025-01-10 02:16:05,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:05,174 INFO L471 AbstractCegarLoop]: Abstraction has 63 states and 75 transitions. [2025-01-10 02:16:05,174 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 2.8333333333333335) internal successors, (17), 7 states have internal predecessors, (17), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2025-01-10 02:16:05,174 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 75 transitions. [2025-01-10 02:16:05,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-01-10 02:16:05,175 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:05,175 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 02:16:05,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-01-10 02:16:05,175 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:05,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:05,175 INFO L85 PathProgramCache]: Analyzing trace with hash -1777757559, now seen corresponding path program 1 times [2025-01-10 02:16:05,175 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:05,175 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [515033382] [2025-01-10 02:16:05,176 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:05,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:05,184 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-01-10 02:16:05,193 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-01-10 02:16:05,195 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:05,195 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:05,353 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:16:05,354 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:05,354 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [515033382] [2025-01-10 02:16:05,354 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [515033382] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:05,354 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:05,354 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 02:16:05,354 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [512930878] [2025-01-10 02:16:05,354 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:05,354 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:16:05,354 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:05,355 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:16:05,355 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:16:05,355 INFO L87 Difference]: Start difference. First operand 63 states and 75 transitions. Second operand has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:16:05,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:05,652 INFO L93 Difference]: Finished difference Result 81 states and 94 transitions. [2025-01-10 02:16:05,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:16:05,653 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 45 [2025-01-10 02:16:05,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:05,654 INFO L225 Difference]: With dead ends: 81 [2025-01-10 02:16:05,654 INFO L226 Difference]: Without dead ends: 80 [2025-01-10 02:16:05,656 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=119, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:16:05,657 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 40 mSDsluCounter, 195 mSDsCounter, 0 mSdLazyCounter, 184 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 40 SdHoareTripleChecker+Valid, 232 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 184 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:05,659 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [40 Valid, 232 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 184 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:16:05,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2025-01-10 02:16:05,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 73. [2025-01-10 02:16:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 52 states have (on average 1.3076923076923077) internal successors, (68), 57 states have internal predecessors, (68), 10 states have call successors, (10), 5 states have call predecessors, (10), 5 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-01-10 02:16:05,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 88 transitions. [2025-01-10 02:16:05,672 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 88 transitions. Word has length 45 [2025-01-10 02:16:05,672 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:05,672 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 88 transitions. [2025-01-10 02:16:05,672 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.625) internal successors, (21), 9 states have internal predecessors, (21), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:16:05,672 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 88 transitions. [2025-01-10 02:16:05,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:16:05,673 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:05,673 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 02:16:05,673 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-01-10 02:16:05,673 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:05,674 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:05,674 INFO L85 PathProgramCache]: Analyzing trace with hash 724090606, now seen corresponding path program 1 times [2025-01-10 02:16:05,674 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:05,674 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1249350548] [2025-01-10 02:16:05,674 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:05,674 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:05,687 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:16:05,699 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:16:05,699 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:05,699 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:05,831 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:16:05,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:05,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1249350548] [2025-01-10 02:16:05,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1249350548] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:05,832 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:05,832 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2025-01-10 02:16:05,832 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2103905643] [2025-01-10 02:16:05,832 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:05,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-01-10 02:16:05,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:05,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-01-10 02:16:05,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=51, Unknown=0, NotChecked=0, Total=72 [2025-01-10 02:16:05,834 INFO L87 Difference]: Start difference. First operand 73 states and 88 transitions. Second operand has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:16:05,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:05,982 INFO L93 Difference]: Finished difference Result 115 states and 139 transitions. [2025-01-10 02:16:05,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-01-10 02:16:05,984 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 46 [2025-01-10 02:16:05,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:05,985 INFO L225 Difference]: With dead ends: 115 [2025-01-10 02:16:05,985 INFO L226 Difference]: Without dead ends: 87 [2025-01-10 02:16:05,986 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2025-01-10 02:16:05,986 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 91 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:05,986 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 186 Invalid, 91 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:05,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 87 states. [2025-01-10 02:16:05,994 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 87 to 83. [2025-01-10 02:16:05,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 65 states have internal predecessors, (77), 11 states have call successors, (11), 6 states have call predecessors, (11), 6 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-01-10 02:16:05,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 99 transitions. [2025-01-10 02:16:05,995 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 99 transitions. Word has length 46 [2025-01-10 02:16:05,995 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:05,995 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 99 transitions. [2025-01-10 02:16:05,995 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 2.75) internal successors, (22), 9 states have internal predecessors, (22), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2025-01-10 02:16:05,996 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 99 transitions. [2025-01-10 02:16:05,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-01-10 02:16:05,996 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:05,996 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2025-01-10 02:16:05,997 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-01-10 02:16:05,997 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:05,997 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:05,997 INFO L85 PathProgramCache]: Analyzing trace with hash 724128342, now seen corresponding path program 1 times [2025-01-10 02:16:05,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:05,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941085293] [2025-01-10 02:16:05,997 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:05,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:06,003 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:16:06,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:16:06,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:06,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:06,141 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:16:06,141 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:06,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941085293] [2025-01-10 02:16:06,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941085293] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:06,141 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [197078276] [2025-01-10 02:16:06,141 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:06,141 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:06,141 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:06,144 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) [2025-01-10 02:16:06,146 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 [2025-01-10 02:16:06,173 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-01-10 02:16:06,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-01-10 02:16:06,187 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:06,187 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:06,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-01-10 02:16:06,190 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:06,282 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:06,282 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:06,422 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2025-01-10 02:16:06,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [197078276] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:06,423 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:06,423 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 6, 6] total 18 [2025-01-10 02:16:06,423 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [972155052] [2025-01-10 02:16:06,423 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:06,423 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2025-01-10 02:16:06,423 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:06,424 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2025-01-10 02:16:06,424 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=87, Invalid=255, Unknown=0, NotChecked=0, Total=342 [2025-01-10 02:16:06,424 INFO L87 Difference]: Start difference. First operand 83 states and 99 transitions. Second operand has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2025-01-10 02:16:06,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:06,965 INFO L93 Difference]: Finished difference Result 233 states and 283 transitions. [2025-01-10 02:16:06,966 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:16:06,966 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) Word has length 46 [2025-01-10 02:16:06,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:06,967 INFO L225 Difference]: With dead ends: 233 [2025-01-10 02:16:06,967 INFO L226 Difference]: Without dead ends: 195 [2025-01-10 02:16:06,968 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 138 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=263, Invalid=667, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:16:06,968 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 114 mSDsluCounter, 253 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 289 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:06,968 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 289 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-01-10 02:16:06,969 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 195 states. [2025-01-10 02:16:06,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 195 to 163. [2025-01-10 02:16:06,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 125 states have (on average 1.272) internal successors, (159), 130 states have internal predecessors, (159), 18 states have call successors, (18), 14 states have call predecessors, (18), 14 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-01-10 02:16:06,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 195 transitions. [2025-01-10 02:16:06,994 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 195 transitions. Word has length 46 [2025-01-10 02:16:06,994 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:06,994 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 195 transitions. [2025-01-10 02:16:06,994 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 18 states have (on average 3.0555555555555554) internal successors, (55), 19 states have internal predecessors, (55), 8 states have call successors, (14), 3 states have call predecessors, (14), 3 states have return successors, (14), 8 states have call predecessors, (14), 8 states have call successors, (14) [2025-01-10 02:16:06,994 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 195 transitions. [2025-01-10 02:16:06,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-01-10 02:16:06,996 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:06,996 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:07,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-01-10 02:16:07,197 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:07,197 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:07,198 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:07,198 INFO L85 PathProgramCache]: Analyzing trace with hash -1101872824, now seen corresponding path program 1 times [2025-01-10 02:16:07,198 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:07,198 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [456671678] [2025-01-10 02:16:07,198 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:07,198 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:07,205 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-01-10 02:16:07,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-01-10 02:16:07,211 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:07,211 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:07,293 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:16:07,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:07,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [456671678] [2025-01-10 02:16:07,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [456671678] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:07,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:07,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:16:07,294 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [177062810] [2025-01-10 02:16:07,294 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:07,294 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:16:07,294 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:07,295 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:16:07,295 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:07,295 INFO L87 Difference]: Start difference. First operand 163 states and 195 transitions. Second operand has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:16:07,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:07,391 INFO L93 Difference]: Finished difference Result 270 states and 329 transitions. [2025-01-10 02:16:07,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:16:07,392 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 55 [2025-01-10 02:16:07,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:07,394 INFO L225 Difference]: With dead ends: 270 [2025-01-10 02:16:07,394 INFO L226 Difference]: Without dead ends: 205 [2025-01-10 02:16:07,395 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:07,395 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 32 mSDsluCounter, 99 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 172 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:07,395 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 172 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:07,398 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2025-01-10 02:16:07,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 183. [2025-01-10 02:16:07,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 141 states have (on average 1.2907801418439717) internal successors, (182), 146 states have internal predecessors, (182), 22 states have call successors, (22), 14 states have call predecessors, (22), 14 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-01-10 02:16:07,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 226 transitions. [2025-01-10 02:16:07,415 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 226 transitions. Word has length 55 [2025-01-10 02:16:07,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:07,415 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 226 transitions. [2025-01-10 02:16:07,416 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.5) internal successors, (26), 4 states have internal predecessors, (26), 3 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-01-10 02:16:07,416 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 226 transitions. [2025-01-10 02:16:07,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2025-01-10 02:16:07,416 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:07,416 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:07,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-01-10 02:16:07,417 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:07,417 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:07,417 INFO L85 PathProgramCache]: Analyzing trace with hash 201782157, now seen corresponding path program 1 times [2025-01-10 02:16:07,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:07,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1928661027] [2025-01-10 02:16:07,417 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:07,418 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:07,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 02:16:07,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:16:07,428 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:07,428 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:07,552 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:16:07,552 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1928661027] [2025-01-10 02:16:07,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1928661027] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:07,552 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1025987761] [2025-01-10 02:16:07,552 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:07,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:07,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:07,554 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) [2025-01-10 02:16:07,556 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 [2025-01-10 02:16:07,582 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 56 statements into 1 equivalence classes. [2025-01-10 02:16:07,596 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 56 of 56 statements. [2025-01-10 02:16:07,596 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:07,597 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:07,597 INFO L256 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:16:07,599 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:07,723 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:07,723 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:07,873 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:16:07,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1025987761] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:07,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:07,874 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 24 [2025-01-10 02:16:07,874 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [4485315] [2025-01-10 02:16:07,874 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:07,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2025-01-10 02:16:07,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:07,875 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2025-01-10 02:16:07,875 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=131, Invalid=469, Unknown=0, NotChecked=0, Total=600 [2025-01-10 02:16:07,876 INFO L87 Difference]: Start difference. First operand 183 states and 226 transitions. Second operand has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2025-01-10 02:16:08,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:08,855 INFO L93 Difference]: Finished difference Result 379 states and 473 transitions. [2025-01-10 02:16:08,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 40 states. [2025-01-10 02:16:08,857 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) Word has length 56 [2025-01-10 02:16:08,857 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:08,860 INFO L225 Difference]: With dead ends: 379 [2025-01-10 02:16:08,860 INFO L226 Difference]: Without dead ends: 296 [2025-01-10 02:16:08,861 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 48 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 469 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=507, Invalid=1943, Unknown=0, NotChecked=0, Total=2450 [2025-01-10 02:16:08,864 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 175 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 420 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 175 SdHoareTripleChecker+Valid, 327 SdHoareTripleChecker+Invalid, 457 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 420 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:08,864 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [175 Valid, 327 Invalid, 457 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 420 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 02:16:08,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 296 states. [2025-01-10 02:16:08,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 296 to 263. [2025-01-10 02:16:08,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 263 states, 206 states have (on average 1.2766990291262137) internal successors, (263), 211 states have internal predecessors, (263), 29 states have call successors, (29), 22 states have call predecessors, (29), 22 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-01-10 02:16:08,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 263 states to 263 states and 321 transitions. [2025-01-10 02:16:08,880 INFO L78 Accepts]: Start accepts. Automaton has 263 states and 321 transitions. Word has length 56 [2025-01-10 02:16:08,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:08,880 INFO L471 AbstractCegarLoop]: Abstraction has 263 states and 321 transitions. [2025-01-10 02:16:08,880 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 3.0416666666666665) internal successors, (73), 25 states have internal predecessors, (73), 11 states have call successors, (17), 4 states have call predecessors, (17), 4 states have return successors, (17), 11 states have call predecessors, (17), 11 states have call successors, (17) [2025-01-10 02:16:08,880 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 321 transitions. [2025-01-10 02:16:08,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2025-01-10 02:16:08,881 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:08,881 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 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] [2025-01-10 02:16:08,888 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-01-10 02:16:09,082 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:09,082 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:09,082 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:09,083 INFO L85 PathProgramCache]: Analyzing trace with hash 1708398527, now seen corresponding path program 1 times [2025-01-10 02:16:09,083 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:09,083 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029036827] [2025-01-10 02:16:09,083 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:09,083 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:09,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 02:16:09,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 02:16:09,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:09,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:09,198 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:16:09,199 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:09,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029036827] [2025-01-10 02:16:09,199 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029036827] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:09,199 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1473497354] [2025-01-10 02:16:09,199 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:09,199 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:09,199 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:09,204 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) [2025-01-10 02:16:09,206 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 [2025-01-10 02:16:09,231 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 59 statements into 1 equivalence classes. [2025-01-10 02:16:09,247 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 59 of 59 statements. [2025-01-10 02:16:09,247 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:09,247 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:09,248 INFO L256 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-01-10 02:16:09,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:09,342 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 18 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:09,342 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:09,470 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-01-10 02:16:09,471 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1473497354] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:09,471 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:09,471 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 9, 10] total 21 [2025-01-10 02:16:09,471 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807838655] [2025-01-10 02:16:09,471 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:09,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2025-01-10 02:16:09,472 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:09,472 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2025-01-10 02:16:09,473 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=95, Invalid=325, Unknown=0, NotChecked=0, Total=420 [2025-01-10 02:16:09,473 INFO L87 Difference]: Start difference. First operand 263 states and 321 transitions. Second operand has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2025-01-10 02:16:10,010 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:10,011 INFO L93 Difference]: Finished difference Result 471 states and 581 transitions. [2025-01-10 02:16:10,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-01-10 02:16:10,011 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) Word has length 59 [2025-01-10 02:16:10,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:10,013 INFO L225 Difference]: With dead ends: 471 [2025-01-10 02:16:10,013 INFO L226 Difference]: Without dead ends: 332 [2025-01-10 02:16:10,014 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 310 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=299, Invalid=1183, Unknown=0, NotChecked=0, Total=1482 [2025-01-10 02:16:10,018 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 118 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 313 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:10,019 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 313 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:16:10,020 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 332 states. [2025-01-10 02:16:10,031 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 332 to 323. [2025-01-10 02:16:10,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 323 states, 258 states have (on average 1.244186046511628) internal successors, (321), 263 states have internal predecessors, (321), 33 states have call successors, (33), 26 states have call predecessors, (33), 26 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-01-10 02:16:10,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 387 transitions. [2025-01-10 02:16:10,034 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 387 transitions. Word has length 59 [2025-01-10 02:16:10,034 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:10,034 INFO L471 AbstractCegarLoop]: Abstraction has 323 states and 387 transitions. [2025-01-10 02:16:10,034 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 21 states have (on average 3.380952380952381) internal successors, (71), 21 states have internal predecessors, (71), 9 states have call successors, (21), 5 states have call predecessors, (21), 5 states have return successors, (21), 9 states have call predecessors, (21), 9 states have call successors, (21) [2025-01-10 02:16:10,034 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 387 transitions. [2025-01-10 02:16:10,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2025-01-10 02:16:10,035 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:10,035 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2025-01-10 02:16:10,042 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 [2025-01-10 02:16:10,240 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,SelfDestructingSolverStorable9 [2025-01-10 02:16:10,240 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:10,240 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:10,240 INFO L85 PathProgramCache]: Analyzing trace with hash -1681109111, now seen corresponding path program 1 times [2025-01-10 02:16:10,241 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:10,241 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115756527] [2025-01-10 02:16:10,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:10,241 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:10,245 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:16:10,252 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:16:10,252 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:10,252 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:10,386 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:16:10,386 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:10,386 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115756527] [2025-01-10 02:16:10,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [115756527] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:10,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114354667] [2025-01-10 02:16:10,387 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:10,387 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:10,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:10,389 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:10,391 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 [2025-01-10 02:16:10,418 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 65 statements into 1 equivalence classes. [2025-01-10 02:16:10,439 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 65 of 65 statements. [2025-01-10 02:16:10,439 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:10,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:10,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:16:10,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:10,640 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:10,640 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-01-10 02:16:10,640 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114354667] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:10,640 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-01-10 02:16:10,641 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [12] total 21 [2025-01-10 02:16:10,641 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1486778926] [2025-01-10 02:16:10,641 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:10,641 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-01-10 02:16:10,641 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:10,642 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-01-10 02:16:10,642 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=93, Invalid=369, Unknown=0, NotChecked=0, Total=462 [2025-01-10 02:16:10,642 INFO L87 Difference]: Start difference. First operand 323 states and 387 transitions. Second operand has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2025-01-10 02:16:10,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:10,931 INFO L93 Difference]: Finished difference Result 391 states and 469 transitions. [2025-01-10 02:16:10,933 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2025-01-10 02:16:10,933 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) Word has length 65 [2025-01-10 02:16:10,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:10,935 INFO L225 Difference]: With dead ends: 391 [2025-01-10 02:16:10,935 INFO L226 Difference]: Without dead ends: 388 [2025-01-10 02:16:10,936 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 231 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=168, Invalid=824, Unknown=0, NotChecked=0, Total=992 [2025-01-10 02:16:10,936 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 59 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 141 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:10,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 141 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-01-10 02:16:10,938 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 388 states. [2025-01-10 02:16:10,955 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 388 to 293. [2025-01-10 02:16:10,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 293 states, 234 states have (on average 1.1623931623931625) internal successors, (272), 237 states have internal predecessors, (272), 31 states have call successors, (31), 25 states have call predecessors, (31), 25 states have return successors, (31), 30 states have call predecessors, (31), 31 states have call successors, (31) [2025-01-10 02:16:10,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 293 states to 293 states and 334 transitions. [2025-01-10 02:16:10,959 INFO L78 Accepts]: Start accepts. Automaton has 293 states and 334 transitions. Word has length 65 [2025-01-10 02:16:10,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:10,960 INFO L471 AbstractCegarLoop]: Abstraction has 293 states and 334 transitions. [2025-01-10 02:16:10,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.0) internal successors, (40), 11 states have internal predecessors, (40), 5 states have call successors, (8), 5 states have call predecessors, (8), 5 states have return successors, (8), 5 states have call predecessors, (8), 5 states have call successors, (8) [2025-01-10 02:16:10,960 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 334 transitions. [2025-01-10 02:16:10,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2025-01-10 02:16:10,963 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:10,963 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 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] [2025-01-10 02:16:10,969 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-01-10 02:16:11,164 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,SelfDestructingSolverStorable10 [2025-01-10 02:16:11,164 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:11,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:11,165 INFO L85 PathProgramCache]: Analyzing trace with hash -574774844, now seen corresponding path program 1 times [2025-01-10 02:16:11,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:11,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1710235704] [2025-01-10 02:16:11,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:11,165 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:11,169 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:16:11,174 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:16:11,175 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:11,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:16:11,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:11,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1710235704] [2025-01-10 02:16:11,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1710235704] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:11,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [878699227] [2025-01-10 02:16:11,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:11,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:11,294 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:11,296 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) [2025-01-10 02:16:11,298 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 [2025-01-10 02:16:11,320 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 66 statements into 1 equivalence classes. [2025-01-10 02:16:11,335 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 66 of 66 statements. [2025-01-10 02:16:11,335 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:11,335 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:11,336 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-01-10 02:16:11,338 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:11,463 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 30 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:11,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:11,638 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2025-01-10 02:16:11,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [878699227] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:11,638 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:11,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 10, 10] total 30 [2025-01-10 02:16:11,639 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [483949785] [2025-01-10 02:16:11,639 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:11,639 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 31 states [2025-01-10 02:16:11,639 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:11,640 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2025-01-10 02:16:11,640 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=190, Invalid=740, Unknown=0, NotChecked=0, Total=930 [2025-01-10 02:16:11,640 INFO L87 Difference]: Start difference. First operand 293 states and 334 transitions. Second operand has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2025-01-10 02:16:12,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:12,589 INFO L93 Difference]: Finished difference Result 332 states and 381 transitions. [2025-01-10 02:16:12,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2025-01-10 02:16:12,589 INFO L78 Accepts]: Start accepts. Automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) Word has length 66 [2025-01-10 02:16:12,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:12,592 INFO L225 Difference]: With dead ends: 332 [2025-01-10 02:16:12,592 INFO L226 Difference]: Without dead ends: 331 [2025-01-10 02:16:12,594 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 733 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=715, Invalid=2945, Unknown=0, NotChecked=0, Total=3660 [2025-01-10 02:16:12,595 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 184 mSDsluCounter, 320 mSDsCounter, 0 mSdLazyCounter, 346 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 184 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 369 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 346 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:12,595 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [184 Valid, 351 Invalid, 369 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 346 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:16:12,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2025-01-10 02:16:12,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 306. [2025-01-10 02:16:12,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 245 states have (on average 1.1591836734693877) internal successors, (284), 248 states have internal predecessors, (284), 32 states have call successors, (32), 26 states have call predecessors, (32), 26 states have return successors, (32), 31 states have call predecessors, (32), 32 states have call successors, (32) [2025-01-10 02:16:12,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 348 transitions. [2025-01-10 02:16:12,618 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 348 transitions. Word has length 66 [2025-01-10 02:16:12,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:12,619 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 348 transitions. [2025-01-10 02:16:12,620 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 31 states, 30 states have (on average 3.033333333333333) internal successors, (91), 31 states have internal predecessors, (91), 14 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 14 states have call predecessors, (20), 14 states have call successors, (20) [2025-01-10 02:16:12,620 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 348 transitions. [2025-01-10 02:16:12,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-01-10 02:16:12,622 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:12,622 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:12,628 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-01-10 02:16:12,822 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,SelfDestructingSolverStorable11 [2025-01-10 02:16:12,823 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:12,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:12,823 INFO L85 PathProgramCache]: Analyzing trace with hash -1385122664, now seen corresponding path program 1 times [2025-01-10 02:16:12,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:12,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1667406459] [2025-01-10 02:16:12,823 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:12,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:12,828 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:16:12,840 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:16:12,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:12,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:13,042 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 02:16:13,043 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1667406459] [2025-01-10 02:16:13,043 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1667406459] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:13,043 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1119023267] [2025-01-10 02:16:13,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:13,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:13,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:13,045 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) [2025-01-10 02:16:13,047 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 [2025-01-10 02:16:13,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-01-10 02:16:13,091 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-01-10 02:16:13,092 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:13,092 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:13,093 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-01-10 02:16:13,096 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:13,193 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 92 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:13,194 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:13,393 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2025-01-10 02:16:13,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1119023267] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:13,394 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:13,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 13, 14] total 29 [2025-01-10 02:16:13,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2000384303] [2025-01-10 02:16:13,394 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:13,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 29 states [2025-01-10 02:16:13,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:13,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2025-01-10 02:16:13,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=195, Invalid=617, Unknown=0, NotChecked=0, Total=812 [2025-01-10 02:16:13,395 INFO L87 Difference]: Start difference. First operand 306 states and 348 transitions. Second operand has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2025-01-10 02:16:13,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:13,941 INFO L93 Difference]: Finished difference Result 542 states and 628 transitions. [2025-01-10 02:16:13,942 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2025-01-10 02:16:13,943 INFO L78 Accepts]: Start accepts. Automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) Word has length 80 [2025-01-10 02:16:13,943 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:13,945 INFO L225 Difference]: With dead ends: 542 [2025-01-10 02:16:13,945 INFO L226 Difference]: Without dead ends: 383 [2025-01-10 02:16:13,946 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 146 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 493 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1709, Unknown=0, NotChecked=0, Total=2352 [2025-01-10 02:16:13,946 INFO L435 NwaCegarLoop]: 37 mSDtfsCounter, 173 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 192 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 173 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 202 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 192 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:13,947 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [173 Valid, 375 Invalid, 202 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 192 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:16:13,947 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-01-10 02:16:13,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 360. [2025-01-10 02:16:13,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 289 states have (on average 1.1522491349480968) internal successors, (333), 292 states have internal predecessors, (333), 37 states have call successors, (37), 31 states have call predecessors, (37), 31 states have return successors, (37), 36 states have call predecessors, (37), 37 states have call successors, (37) [2025-01-10 02:16:13,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 407 transitions. [2025-01-10 02:16:13,967 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 407 transitions. Word has length 80 [2025-01-10 02:16:13,967 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:13,967 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 407 transitions. [2025-01-10 02:16:13,967 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 29 states, 29 states have (on average 3.3793103448275863) internal successors, (98), 29 states have internal predecessors, (98), 13 states have call successors, (27), 7 states have call predecessors, (27), 7 states have return successors, (27), 13 states have call predecessors, (27), 13 states have call successors, (27) [2025-01-10 02:16:13,968 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 407 transitions. [2025-01-10 02:16:13,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:16:13,968 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:13,969 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2025-01-10 02:16:13,975 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:14,173 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:14,173 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:14,173 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:14,173 INFO L85 PathProgramCache]: Analyzing trace with hash -131064306, now seen corresponding path program 1 times [2025-01-10 02:16:14,174 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:14,174 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [125606838] [2025-01-10 02:16:14,174 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:14,174 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:14,179 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:14,187 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:14,188 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:14,188 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:14,392 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:14,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:14,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [125606838] [2025-01-10 02:16:14,393 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [125606838] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:14,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [582780512] [2025-01-10 02:16:14,393 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:14,393 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:14,394 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:14,395 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) [2025-01-10 02:16:14,397 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 [2025-01-10 02:16:14,421 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:14,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:14,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:14,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:14,442 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:16:14,443 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:14,664 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 90 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:14,664 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:14,913 INFO L134 CoverageAnalysis]: Checked inductivity of 114 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:14,914 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [582780512] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:14,914 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:14,914 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2025-01-10 02:16:14,914 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [886721621] [2025-01-10 02:16:14,914 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:14,914 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-10 02:16:14,914 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:14,915 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-10 02:16:14,915 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=362, Invalid=1444, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 02:16:14,915 INFO L87 Difference]: Start difference. First operand 360 states and 407 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:16,528 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:16,529 INFO L93 Difference]: Finished difference Result 776 states and 906 transitions. [2025-01-10 02:16:16,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 77 states. [2025-01-10 02:16:16,532 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2025-01-10 02:16:16,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:16,535 INFO L225 Difference]: With dead ends: 776 [2025-01-10 02:16:16,535 INFO L226 Difference]: Without dead ends: 617 [2025-01-10 02:16:16,538 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 239 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2133 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1770, Invalid=7350, Unknown=0, NotChecked=0, Total=9120 [2025-01-10 02:16:16,539 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 546 mSDsluCounter, 338 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 546 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 512 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:16,539 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [546 Valid, 369 Invalid, 512 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:16:16,540 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 617 states. [2025-01-10 02:16:16,564 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 617 to 556. [2025-01-10 02:16:16,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 445 states have (on average 1.1752808988764045) internal successors, (523), 448 states have internal predecessors, (523), 57 states have call successors, (57), 51 states have call predecessors, (57), 51 states have return successors, (57), 56 states have call predecessors, (57), 57 states have call successors, (57) [2025-01-10 02:16:16,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 637 transitions. [2025-01-10 02:16:16,567 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 637 transitions. Word has length 86 [2025-01-10 02:16:16,567 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:16,567 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 637 transitions. [2025-01-10 02:16:16,568 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:16,568 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 637 transitions. [2025-01-10 02:16:16,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-01-10 02:16:16,569 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:16,569 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 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] [2025-01-10 02:16:16,575 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 [2025-01-10 02:16:16,769 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:16,770 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:16,770 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:16,770 INFO L85 PathProgramCache]: Analyzing trace with hash -2020837704, now seen corresponding path program 1 times [2025-01-10 02:16:16,770 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:16,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1689253620] [2025-01-10 02:16:16,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:16,770 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:16,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:16,782 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:16,782 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:16,782 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:16,980 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 0 proven. 39 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:16,981 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1689253620] [2025-01-10 02:16:16,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1689253620] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:16,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520148155] [2025-01-10 02:16:16,981 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:16,981 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:16,982 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:16,984 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) [2025-01-10 02:16:16,985 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 [2025-01-10 02:16:17,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-01-10 02:16:17,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-01-10 02:16:17,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:17,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:17,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-01-10 02:16:17,030 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:17,220 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 96 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:17,221 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:17,460 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 3 proven. 36 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-01-10 02:16:17,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520148155] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:17,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:17,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 14, 14] total 42 [2025-01-10 02:16:17,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088200416] [2025-01-10 02:16:17,460 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:17,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 43 states [2025-01-10 02:16:17,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:17,461 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 43 interpolants. [2025-01-10 02:16:17,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=368, Invalid=1438, Unknown=0, NotChecked=0, Total=1806 [2025-01-10 02:16:17,462 INFO L87 Difference]: Start difference. First operand 556 states and 637 transitions. Second operand has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:18,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:18,849 INFO L93 Difference]: Finished difference Result 716 states and 822 transitions. [2025-01-10 02:16:18,850 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 71 states. [2025-01-10 02:16:18,850 INFO L78 Accepts]: Start accepts. Automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) Word has length 86 [2025-01-10 02:16:18,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:18,852 INFO L225 Difference]: With dead ends: 716 [2025-01-10 02:16:18,852 INFO L226 Difference]: Without dead ends: 713 [2025-01-10 02:16:18,855 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 145 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1845 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1656, Invalid=6716, Unknown=0, NotChecked=0, Total=8372 [2025-01-10 02:16:18,855 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 347 mSDsluCounter, 354 mSDsCounter, 0 mSdLazyCounter, 430 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 347 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 469 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 430 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:18,855 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [347 Valid, 387 Invalid, 469 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 430 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2025-01-10 02:16:18,856 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 713 states. [2025-01-10 02:16:18,880 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 713 to 608. [2025-01-10 02:16:18,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 608 states, 485 states have (on average 1.1814432989690722) internal successors, (573), 488 states have internal predecessors, (573), 63 states have call successors, (63), 57 states have call predecessors, (63), 57 states have return successors, (63), 62 states have call predecessors, (63), 63 states have call successors, (63) [2025-01-10 02:16:18,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 608 states to 608 states and 699 transitions. [2025-01-10 02:16:18,885 INFO L78 Accepts]: Start accepts. Automaton has 608 states and 699 transitions. Word has length 86 [2025-01-10 02:16:18,885 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:18,885 INFO L471 AbstractCegarLoop]: Abstraction has 608 states and 699 transitions. [2025-01-10 02:16:18,885 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 43 states, 42 states have (on average 3.0238095238095237) internal successors, (127), 43 states have internal predecessors, (127), 20 states have call successors, (26), 7 states have call predecessors, (26), 7 states have return successors, (26), 20 states have call predecessors, (26), 20 states have call successors, (26) [2025-01-10 02:16:18,885 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 699 transitions. [2025-01-10 02:16:18,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2025-01-10 02:16:18,886 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:18,887 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 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] [2025-01-10 02:16:18,894 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-01-10 02:16:19,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:19,092 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:19,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:19,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1183142070, now seen corresponding path program 1 times [2025-01-10 02:16:19,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:19,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [183975567] [2025-01-10 02:16:19,093 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:19,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:19,099 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:16:19,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:16:19,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:19,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:19,378 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-10 02:16:19,379 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:19,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [183975567] [2025-01-10 02:16:19,379 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [183975567] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:19,379 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [630239890] [2025-01-10 02:16:19,379 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:19,379 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:19,379 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:19,383 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) [2025-01-10 02:16:19,392 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 [2025-01-10 02:16:19,420 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 100 statements into 1 equivalence classes. [2025-01-10 02:16:19,440 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 100 of 100 statements. [2025-01-10 02:16:19,440 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:19,440 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:19,443 INFO L256 TraceCheckSpWp]: Trace formula consists of 232 conjuncts, 17 conjuncts are in the unsatisfiable core [2025-01-10 02:16:19,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:19,541 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 142 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:19,541 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:19,801 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 3 proven. 58 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2025-01-10 02:16:19,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [630239890] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:19,801 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:19,801 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19, 17, 18] total 37 [2025-01-10 02:16:19,801 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694516115] [2025-01-10 02:16:19,801 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:19,802 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2025-01-10 02:16:19,802 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:19,802 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2025-01-10 02:16:19,802 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=279, Invalid=1053, Unknown=0, NotChecked=0, Total=1332 [2025-01-10 02:16:19,803 INFO L87 Difference]: Start difference. First operand 608 states and 699 transitions. Second operand has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2025-01-10 02:16:20,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:20,819 INFO L93 Difference]: Finished difference Result 1131 states and 1314 transitions. [2025-01-10 02:16:20,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2025-01-10 02:16:20,820 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) Word has length 100 [2025-01-10 02:16:20,821 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:20,826 INFO L225 Difference]: With dead ends: 1131 [2025-01-10 02:16:20,826 INFO L226 Difference]: Without dead ends: 842 [2025-01-10 02:16:20,828 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 255 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 73 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1387 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=1135, Invalid=4415, Unknown=0, NotChecked=0, Total=5550 [2025-01-10 02:16:20,830 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 216 mSDsluCounter, 552 mSDsCounter, 0 mSdLazyCounter, 400 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 588 SdHoareTripleChecker+Invalid, 411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 400 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:20,831 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [216 Valid, 588 Invalid, 411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 400 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-01-10 02:16:20,832 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 842 states. [2025-01-10 02:16:20,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 842 to 758. [2025-01-10 02:16:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 758 states, 605 states have (on average 1.1586776859504133) internal successors, (701), 608 states have internal predecessors, (701), 78 states have call successors, (78), 72 states have call predecessors, (78), 72 states have return successors, (78), 77 states have call predecessors, (78), 78 states have call successors, (78) [2025-01-10 02:16:20,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 758 states and 857 transitions. [2025-01-10 02:16:20,892 INFO L78 Accepts]: Start accepts. Automaton has 758 states and 857 transitions. Word has length 100 [2025-01-10 02:16:20,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:20,893 INFO L471 AbstractCegarLoop]: Abstraction has 758 states and 857 transitions. [2025-01-10 02:16:20,893 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.3513513513513513) internal successors, (124), 37 states have internal predecessors, (124), 17 states have call successors, (33), 9 states have call predecessors, (33), 9 states have return successors, (33), 17 states have call predecessors, (33), 17 states have call successors, (33) [2025-01-10 02:16:20,893 INFO L276 IsEmpty]: Start isEmpty. Operand 758 states and 857 transitions. [2025-01-10 02:16:20,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-01-10 02:16:20,895 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:20,895 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:20,905 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:21,095 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-01-10 02:16:21,096 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:21,096 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:21,097 INFO L85 PathProgramCache]: Analyzing trace with hash 931016932, now seen corresponding path program 1 times [2025-01-10 02:16:21,097 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:21,097 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [834279242] [2025-01-10 02:16:21,097 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:21,097 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:21,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:16:21,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:16:21,112 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:21,112 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:21,364 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 0 proven. 57 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-10 02:16:21,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:21,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [834279242] [2025-01-10 02:16:21,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [834279242] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:21,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565017852] [2025-01-10 02:16:21,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:21,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:21,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:21,367 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) [2025-01-10 02:16:21,369 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 [2025-01-10 02:16:21,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-01-10 02:16:21,414 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-01-10 02:16:21,414 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:21,414 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:21,416 INFO L256 TraceCheckSpWp]: Trace formula consists of 242 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-01-10 02:16:21,417 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:21,683 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 166 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:21,683 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:22,024 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 3 proven. 54 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2025-01-10 02:16:22,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565017852] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:22,025 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:22,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20, 18, 18] total 54 [2025-01-10 02:16:22,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493779706] [2025-01-10 02:16:22,025 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:22,025 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 55 states [2025-01-10 02:16:22,025 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:22,026 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 55 interpolants. [2025-01-10 02:16:22,027 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=564, Invalid=2406, Unknown=0, NotChecked=0, Total=2970 [2025-01-10 02:16:22,028 INFO L87 Difference]: Start difference. First operand 758 states and 857 transitions. Second operand has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2025-01-10 02:16:24,046 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:24,047 INFO L93 Difference]: Finished difference Result 927 states and 1052 transitions. [2025-01-10 02:16:24,047 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 95 states. [2025-01-10 02:16:24,047 INFO L78 Accepts]: Start accepts. Automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) Word has length 106 [2025-01-10 02:16:24,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:24,051 INFO L225 Difference]: With dead ends: 927 [2025-01-10 02:16:24,051 INFO L226 Difference]: Without dead ends: 925 [2025-01-10 02:16:24,054 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 177 SyntacticMatches, 0 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3588 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=2754, Invalid=12008, Unknown=0, NotChecked=0, Total=14762 [2025-01-10 02:16:24,055 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 515 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 528 mSolverCounterSat, 73 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 416 SdHoareTripleChecker+Invalid, 601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 73 IncrementalHoareTripleChecker+Valid, 528 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:24,055 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 416 Invalid, 601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [73 Valid, 528 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-01-10 02:16:24,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 925 states. [2025-01-10 02:16:24,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 925 to 624. [2025-01-10 02:16:24,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.1609657947686116) internal successors, (577), 501 states have internal predecessors, (577), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2025-01-10 02:16:24,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 707 transitions. [2025-01-10 02:16:24,083 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 707 transitions. Word has length 106 [2025-01-10 02:16:24,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:24,084 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 707 transitions. [2025-01-10 02:16:24,084 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 55 states, 54 states have (on average 3.0185185185185186) internal successors, (163), 55 states have internal predecessors, (163), 26 states have call successors, (32), 9 states have call predecessors, (32), 9 states have return successors, (32), 26 states have call predecessors, (32), 26 states have call successors, (32) [2025-01-10 02:16:24,084 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 707 transitions. [2025-01-10 02:16:24,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2025-01-10 02:16:24,086 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:24,086 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:24,092 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 [2025-01-10 02:16:24,286 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-01-10 02:16:24,287 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:24,287 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:24,287 INFO L85 PathProgramCache]: Analyzing trace with hash -554408752, now seen corresponding path program 2 times [2025-01-10 02:16:24,287 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:24,287 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918097268] [2025-01-10 02:16:24,287 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:24,287 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:24,295 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 146 statements into 2 equivalence classes. [2025-01-10 02:16:24,318 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 146 of 146 statements. [2025-01-10 02:16:24,318 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:24,318 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 462 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 441 trivial. 0 not checked. [2025-01-10 02:16:24,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:24,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918097268] [2025-01-10 02:16:24,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918097268] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:24,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:24,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:16:24,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1741404935] [2025-01-10 02:16:24,452 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:24,452 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:16:24,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:24,453 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:16:24,453 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:16:24,453 INFO L87 Difference]: Start difference. First operand 624 states and 707 transitions. Second operand has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:24,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:24,532 INFO L93 Difference]: Finished difference Result 638 states and 721 transitions. [2025-01-10 02:16:24,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:16:24,533 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 146 [2025-01-10 02:16:24,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:24,535 INFO L225 Difference]: With dead ends: 638 [2025-01-10 02:16:24,535 INFO L226 Difference]: Without dead ends: 637 [2025-01-10 02:16:24,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2025-01-10 02:16:24,536 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 24 mSDsluCounter, 87 mSDsCounter, 0 mSdLazyCounter, 52 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 133 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 52 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:24,536 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 133 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 52 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:24,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 637 states. [2025-01-10 02:16:24,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 637 to 624. [2025-01-10 02:16:24,560 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 624 states, 497 states have (on average 1.158953722334004) internal successors, (576), 501 states have internal predecessors, (576), 65 states have call successors, (65), 59 states have call predecessors, (65), 59 states have return successors, (65), 63 states have call predecessors, (65), 65 states have call successors, (65) [2025-01-10 02:16:24,561 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 624 states and 706 transitions. [2025-01-10 02:16:24,562 INFO L78 Accepts]: Start accepts. Automaton has 624 states and 706 transitions. Word has length 146 [2025-01-10 02:16:24,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:24,563 INFO L471 AbstractCegarLoop]: Abstraction has 624 states and 706 transitions. [2025-01-10 02:16:24,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.75) internal successors, (31), 5 states have internal predecessors, (31), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:24,563 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 706 transitions. [2025-01-10 02:16:24,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2025-01-10 02:16:24,564 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:24,565 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 7, 7, 7, 7, 7, 7, 6, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:24,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-01-10 02:16:24,565 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:24,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:24,565 INFO L85 PathProgramCache]: Analyzing trace with hash -775950785, now seen corresponding path program 2 times [2025-01-10 02:16:24,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:24,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [747571342] [2025-01-10 02:16:24,566 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:24,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:24,575 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-01-10 02:16:24,598 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-01-10 02:16:24,598 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:24,598 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:25,089 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-01-10 02:16:25,090 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:25,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [747571342] [2025-01-10 02:16:25,090 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [747571342] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:25,090 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2098753403] [2025-01-10 02:16:25,090 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:25,090 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:25,090 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:25,092 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) [2025-01-10 02:16:25,094 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 [2025-01-10 02:16:25,123 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 150 statements into 2 equivalence classes. [2025-01-10 02:16:25,153 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 150 of 150 statements. [2025-01-10 02:16:25,153 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:25,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:25,155 INFO L256 TraceCheckSpWp]: Trace formula consists of 337 conjuncts, 27 conjuncts are in the unsatisfiable core [2025-01-10 02:16:25,157 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:25,308 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 3 proven. 442 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:25,308 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:25,794 INFO L134 CoverageAnalysis]: Checked inductivity of 469 backedges. 3 proven. 178 refuted. 0 times theorem prover too weak. 288 trivial. 0 not checked. [2025-01-10 02:16:25,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2098753403] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:25,795 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:25,795 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29, 27, 28] total 57 [2025-01-10 02:16:25,795 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1895359618] [2025-01-10 02:16:25,795 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:25,795 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 57 states [2025-01-10 02:16:25,795 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:25,796 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 57 interpolants. [2025-01-10 02:16:25,796 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=629, Invalid=2563, Unknown=0, NotChecked=0, Total=3192 [2025-01-10 02:16:25,797 INFO L87 Difference]: Start difference. First operand 624 states and 706 transitions. Second operand has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2025-01-10 02:16:27,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:27,777 INFO L93 Difference]: Finished difference Result 1489 states and 1718 transitions. [2025-01-10 02:16:27,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 98 states. [2025-01-10 02:16:27,778 INFO L78 Accepts]: Start accepts. Automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) Word has length 150 [2025-01-10 02:16:27,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:27,782 INFO L225 Difference]: With dead ends: 1489 [2025-01-10 02:16:27,782 INFO L226 Difference]: Without dead ends: 1224 [2025-01-10 02:16:27,784 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 395 GetRequests, 272 SyntacticMatches, 0 SemanticMatches, 123 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4273 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=3050, Invalid=12450, Unknown=0, NotChecked=0, Total=15500 [2025-01-10 02:16:27,784 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 411 mSDsluCounter, 541 mSDsCounter, 0 mSdLazyCounter, 535 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 411 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 535 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:27,784 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [411 Valid, 577 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 535 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-01-10 02:16:27,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1224 states. [2025-01-10 02:16:27,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1224 to 898. [2025-01-10 02:16:27,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 898 states, 717 states have (on average 1.1478382147838215) internal successors, (823), 721 states have internal predecessors, (823), 92 states have call successors, (92), 86 states have call predecessors, (92), 86 states have return successors, (92), 90 states have call predecessors, (92), 92 states have call successors, (92) [2025-01-10 02:16:27,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 898 states to 898 states and 1007 transitions. [2025-01-10 02:16:27,825 INFO L78 Accepts]: Start accepts. Automaton has 898 states and 1007 transitions. Word has length 150 [2025-01-10 02:16:27,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:27,826 INFO L471 AbstractCegarLoop]: Abstraction has 898 states and 1007 transitions. [2025-01-10 02:16:27,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 57 states, 57 states have (on average 3.3157894736842106) internal successors, (189), 57 states have internal predecessors, (189), 27 states have call successors, (48), 14 states have call predecessors, (48), 14 states have return successors, (48), 27 states have call predecessors, (48), 27 states have call successors, (48) [2025-01-10 02:16:27,826 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1007 transitions. [2025-01-10 02:16:27,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2025-01-10 02:16:27,828 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:27,828 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 10, 10, 9, 9, 9, 9, 8, 4, 4, 4, 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] [2025-01-10 02:16:27,835 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-01-10 02:16:28,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:28,029 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:28,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:28,030 INFO L85 PathProgramCache]: Analyzing trace with hash 200484705, now seen corresponding path program 1 times [2025-01-10 02:16:28,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:28,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [367949236] [2025-01-10 02:16:28,030 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:28,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:28,036 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-10 02:16:28,047 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-10 02:16:28,047 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:28,048 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:28,592 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2025-01-10 02:16:28,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:28,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [367949236] [2025-01-10 02:16:28,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [367949236] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:28,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1128179675] [2025-01-10 02:16:28,592 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:28,593 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:28,593 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:28,595 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) [2025-01-10 02:16:28,596 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 [2025-01-10 02:16:28,628 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 156 statements into 1 equivalence classes. [2025-01-10 02:16:28,660 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 156 of 156 statements. [2025-01-10 02:16:28,660 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:28,660 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:28,662 INFO L256 TraceCheckSpWp]: Trace formula consists of 343 conjuncts, 28 conjuncts are in the unsatisfiable core [2025-01-10 02:16:28,665 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:29,436 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 3 proven. 564 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:29,437 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:30,290 INFO L134 CoverageAnalysis]: Checked inductivity of 591 backedges. 3 proven. 252 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2025-01-10 02:16:30,291 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1128179675] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:30,291 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:30,291 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30, 28, 28] total 84 [2025-01-10 02:16:30,291 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511937399] [2025-01-10 02:16:30,291 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:30,292 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 85 states [2025-01-10 02:16:30,292 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:30,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 85 interpolants. [2025-01-10 02:16:30,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1477, Invalid=5663, Unknown=0, NotChecked=0, Total=7140 [2025-01-10 02:16:30,294 INFO L87 Difference]: Start difference. First operand 898 states and 1007 transitions. Second operand has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2025-01-10 02:16:33,979 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:33,980 INFO L93 Difference]: Finished difference Result 1925 states and 2209 transitions. [2025-01-10 02:16:33,980 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 144 states. [2025-01-10 02:16:33,981 INFO L78 Accepts]: Start accepts. Automaton has has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) Word has length 156 [2025-01-10 02:16:33,981 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:33,986 INFO L225 Difference]: With dead ends: 1925 [2025-01-10 02:16:33,986 INFO L226 Difference]: Without dead ends: 1660 [2025-01-10 02:16:33,988 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 441 GetRequests, 257 SyntacticMatches, 0 SemanticMatches, 184 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8378 ImplicationChecksByTransitivity, 3.5s TimeCoverageRelationStatistics Valid=7279, Invalid=27131, Unknown=0, NotChecked=0, Total=34410 [2025-01-10 02:16:33,990 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 906 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 712 mSolverCounterSat, 55 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 906 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 767 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 55 IncrementalHoareTripleChecker+Valid, 712 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:33,990 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [906 Valid, 507 Invalid, 767 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [55 Valid, 712 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 02:16:33,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1660 states. [2025-01-10 02:16:34,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1660 to 1181. [2025-01-10 02:16:34,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1181 states, 944 states have (on average 1.1588983050847457) internal successors, (1094), 948 states have internal predecessors, (1094), 120 states have call successors, (120), 114 states have call predecessors, (120), 114 states have return successors, (120), 118 states have call predecessors, (120), 120 states have call successors, (120) [2025-01-10 02:16:34,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1181 states to 1181 states and 1334 transitions. [2025-01-10 02:16:34,052 INFO L78 Accepts]: Start accepts. Automaton has 1181 states and 1334 transitions. Word has length 156 [2025-01-10 02:16:34,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:34,053 INFO L471 AbstractCegarLoop]: Abstraction has 1181 states and 1334 transitions. [2025-01-10 02:16:34,053 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 85 states, 84 states have (on average 3.011904761904762) internal successors, (253), 85 states have internal predecessors, (253), 41 states have call successors, (47), 14 states have call predecessors, (47), 14 states have return successors, (47), 41 states have call predecessors, (47), 41 states have call successors, (47) [2025-01-10 02:16:34,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1334 transitions. [2025-01-10 02:16:34,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-01-10 02:16:34,056 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:34,057 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:34,064 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 [2025-01-10 02:16:34,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:34,258 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:34,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:34,258 INFO L85 PathProgramCache]: Analyzing trace with hash -1356656408, now seen corresponding path program 2 times [2025-01-10 02:16:34,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:34,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1437896491] [2025-01-10 02:16:34,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:34,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:34,268 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 166 statements into 2 equivalence classes. [2025-01-10 02:16:34,276 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 166 of 166 statements. [2025-01-10 02:16:34,277 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:34,277 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:34,356 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2025-01-10 02:16:34,357 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:34,357 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1437896491] [2025-01-10 02:16:34,357 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1437896491] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:34,357 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:34,357 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:16:34,357 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1880788667] [2025-01-10 02:16:34,357 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:34,357 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-01-10 02:16:34,358 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:34,358 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-01-10 02:16:34,358 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-01-10 02:16:34,358 INFO L87 Difference]: Start difference. First operand 1181 states and 1334 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:34,479 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:34,480 INFO L93 Difference]: Finished difference Result 1196 states and 1350 transitions. [2025-01-10 02:16:34,480 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-01-10 02:16:34,480 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 166 [2025-01-10 02:16:34,480 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:34,484 INFO L225 Difference]: With dead ends: 1196 [2025-01-10 02:16:34,484 INFO L226 Difference]: Without dead ends: 1195 [2025-01-10 02:16:34,484 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2025-01-10 02:16:34,485 INFO L435 NwaCegarLoop]: 44 mSDtfsCounter, 23 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 50 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 50 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:34,485 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 128 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 50 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:34,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1195 states. [2025-01-10 02:16:34,528 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1195 to 1045. [2025-01-10 02:16:34,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1045 states, 836 states have (on average 1.1626794258373205) internal successors, (972), 840 states have internal predecessors, (972), 106 states have call successors, (106), 100 states have call predecessors, (106), 100 states have return successors, (106), 104 states have call predecessors, (106), 106 states have call successors, (106) [2025-01-10 02:16:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 1045 states and 1184 transitions. [2025-01-10 02:16:34,533 INFO L78 Accepts]: Start accepts. Automaton has 1045 states and 1184 transitions. Word has length 166 [2025-01-10 02:16:34,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:34,534 INFO L471 AbstractCegarLoop]: Abstraction has 1045 states and 1184 transitions. [2025-01-10 02:16:34,534 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:34,534 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1184 transitions. [2025-01-10 02:16:34,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-10 02:16:34,536 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:34,536 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 11, 11, 11, 10, 10, 10, 9, 4, 4, 4, 3, 3, 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] [2025-01-10 02:16:34,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-01-10 02:16:34,536 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:34,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:34,537 INFO L85 PathProgramCache]: Analyzing trace with hash 2027392393, now seen corresponding path program 1 times [2025-01-10 02:16:34,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:34,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1092443571] [2025-01-10 02:16:34,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:34,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:34,543 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-10 02:16:34,549 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:16:34,550 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:34,550 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:34,598 INFO L134 CoverageAnalysis]: Checked inductivity of 716 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 594 trivial. 0 not checked. [2025-01-10 02:16:34,598 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:34,598 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1092443571] [2025-01-10 02:16:34,599 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1092443571] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:34,599 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:34,599 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:16:34,599 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [432288339] [2025-01-10 02:16:34,599 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:34,599 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:16:34,600 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:34,600 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:16:34,600 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:34,600 INFO L87 Difference]: Start difference. First operand 1045 states and 1184 transitions. Second operand has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:16:34,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:34,701 INFO L93 Difference]: Finished difference Result 1480 states and 1701 transitions. [2025-01-10 02:16:34,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:16:34,702 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 170 [2025-01-10 02:16:34,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:34,705 INFO L225 Difference]: With dead ends: 1480 [2025-01-10 02:16:34,706 INFO L226 Difference]: Without dead ends: 1064 [2025-01-10 02:16:34,706 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:34,709 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 11 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:34,710 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 157 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:16:34,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1064 states. [2025-01-10 02:16:34,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1064 to 1058. [2025-01-10 02:16:34,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1058 states, 847 states have (on average 1.1605667060212514) internal successors, (983), 852 states have internal predecessors, (983), 109 states have call successors, (109), 99 states have call predecessors, (109), 99 states have return successors, (109), 106 states have call predecessors, (109), 109 states have call successors, (109) [2025-01-10 02:16:34,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 1058 states and 1201 transitions. [2025-01-10 02:16:34,761 INFO L78 Accepts]: Start accepts. Automaton has 1058 states and 1201 transitions. Word has length 170 [2025-01-10 02:16:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:34,761 INFO L471 AbstractCegarLoop]: Abstraction has 1058 states and 1201 transitions. [2025-01-10 02:16:34,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.0) internal successors, (44), 4 states have internal predecessors, (44), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:16:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 1058 states and 1201 transitions. [2025-01-10 02:16:34,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2025-01-10 02:16:34,764 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:34,764 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 8, 8, 8, 7, 7, 7, 6, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:34,764 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-01-10 02:16:34,764 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:34,765 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:34,765 INFO L85 PathProgramCache]: Analyzing trace with hash 462308863, now seen corresponding path program 1 times [2025-01-10 02:16:34,765 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:34,765 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170623957] [2025-01-10 02:16:34,765 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:34,765 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:34,772 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-10 02:16:34,787 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:16:34,788 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:34,788 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:35,401 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 220 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2025-01-10 02:16:35,402 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:35,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170623957] [2025-01-10 02:16:35,402 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170623957] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:35,402 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [198577058] [2025-01-10 02:16:35,402 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:35,402 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:35,402 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:35,406 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) [2025-01-10 02:16:35,409 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 [2025-01-10 02:16:35,441 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 170 statements into 1 equivalence classes. [2025-01-10 02:16:35,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 170 of 170 statements. [2025-01-10 02:16:35,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:35,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:35,475 INFO L256 TraceCheckSpWp]: Trace formula consists of 367 conjuncts, 31 conjuncts are in the unsatisfiable core [2025-01-10 02:16:35,478 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:35,667 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 584 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:35,668 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:36,442 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 6 proven. 220 refuted. 0 times theorem prover too weak. 388 trivial. 0 not checked. [2025-01-10 02:16:36,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [198577058] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:36,442 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:36,442 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33, 31, 32] total 65 [2025-01-10 02:16:36,442 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958026815] [2025-01-10 02:16:36,442 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:36,442 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2025-01-10 02:16:36,442 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:36,443 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2025-01-10 02:16:36,444 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=801, Invalid=3359, Unknown=0, NotChecked=0, Total=4160 [2025-01-10 02:16:36,444 INFO L87 Difference]: Start difference. First operand 1058 states and 1201 transitions. Second operand has 65 states, 65 states have (on average 3.3076923076923075) internal successors, (215), 65 states have internal predecessors, (215), 31 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 31 states have call predecessors, (54), 31 states have call successors, (54) [2025-01-10 02:16:38,715 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:38,715 INFO L93 Difference]: Finished difference Result 2486 states and 2817 transitions. [2025-01-10 02:16:38,716 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 110 states. [2025-01-10 02:16:38,716 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 65 states have (on average 3.3076923076923075) internal successors, (215), 65 states have internal predecessors, (215), 31 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 31 states have call predecessors, (54), 31 states have call successors, (54) Word has length 170 [2025-01-10 02:16:38,716 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:38,723 INFO L225 Difference]: With dead ends: 2486 [2025-01-10 02:16:38,723 INFO L226 Difference]: Without dead ends: 2091 [2025-01-10 02:16:38,725 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 447 GetRequests, 308 SyntacticMatches, 0 SemanticMatches, 139 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5654 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3773, Invalid=15967, Unknown=0, NotChecked=0, Total=19740 [2025-01-10 02:16:38,725 INFO L435 NwaCegarLoop]: 33 mSDtfsCounter, 487 mSDsluCounter, 574 mSDsCounter, 0 mSdLazyCounter, 579 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 487 SdHoareTripleChecker+Valid, 607 SdHoareTripleChecker+Invalid, 606 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 579 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:38,725 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [487 Valid, 607 Invalid, 606 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 579 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2025-01-10 02:16:38,727 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2025-01-10 02:16:38,798 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 1438. [2025-01-10 02:16:38,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1438 states, 1151 states have (on average 1.1442224152910512) internal successors, (1317), 1156 states have internal predecessors, (1317), 147 states have call successors, (147), 137 states have call predecessors, (147), 137 states have return successors, (147), 144 states have call predecessors, (147), 147 states have call successors, (147) [2025-01-10 02:16:38,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1438 states and 1611 transitions. [2025-01-10 02:16:38,805 INFO L78 Accepts]: Start accepts. Automaton has 1438 states and 1611 transitions. Word has length 170 [2025-01-10 02:16:38,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:38,806 INFO L471 AbstractCegarLoop]: Abstraction has 1438 states and 1611 transitions. [2025-01-10 02:16:38,806 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 65 states have (on average 3.3076923076923075) internal successors, (215), 65 states have internal predecessors, (215), 31 states have call successors, (54), 16 states have call predecessors, (54), 16 states have return successors, (54), 31 states have call predecessors, (54), 31 states have call successors, (54) [2025-01-10 02:16:38,806 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1611 transitions. [2025-01-10 02:16:38,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2025-01-10 02:16:38,809 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:38,809 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 10, 10, 10, 9, 9, 9, 8, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:38,816 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-01-10 02:16:39,010 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable22 [2025-01-10 02:16:39,010 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:39,010 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:39,011 INFO L85 PathProgramCache]: Analyzing trace with hash 1541213406, now seen corresponding path program 1 times [2025-01-10 02:16:39,011 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:39,011 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1282654483] [2025-01-10 02:16:39,011 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:39,011 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:39,017 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 174 statements into 1 equivalence classes. [2025-01-10 02:16:39,022 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 174 of 174 statements. [2025-01-10 02:16:39,022 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:39,022 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:39,075 INFO L134 CoverageAnalysis]: Checked inductivity of 682 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 562 trivial. 0 not checked. [2025-01-10 02:16:39,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:39,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1282654483] [2025-01-10 02:16:39,075 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1282654483] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:39,075 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:39,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-01-10 02:16:39,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739089757] [2025-01-10 02:16:39,076 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:39,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-01-10 02:16:39,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:39,076 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-01-10 02:16:39,076 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:39,076 INFO L87 Difference]: Start difference. First operand 1438 states and 1611 transitions. Second operand has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:16:39,206 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:39,206 INFO L93 Difference]: Finished difference Result 2333 states and 2643 transitions. [2025-01-10 02:16:39,207 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-01-10 02:16:39,207 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 174 [2025-01-10 02:16:39,207 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:39,213 INFO L225 Difference]: With dead ends: 2333 [2025-01-10 02:16:39,214 INFO L226 Difference]: Without dead ends: 1490 [2025-01-10 02:16:39,217 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-01-10 02:16:39,218 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 13 mSDsluCounter, 91 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 151 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:39,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 151 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-01-10 02:16:39,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1490 states. [2025-01-10 02:16:39,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1490 to 1470. [2025-01-10 02:16:39,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1470 states, 1178 states have (on average 1.1392190152801358) internal successors, (1342), 1184 states have internal predecessors, (1342), 152 states have call successors, (152), 137 states have call predecessors, (152), 137 states have return successors, (152), 148 states have call predecessors, (152), 152 states have call successors, (152) [2025-01-10 02:16:39,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1470 states and 1646 transitions. [2025-01-10 02:16:39,309 INFO L78 Accepts]: Start accepts. Automaton has 1470 states and 1646 transitions. Word has length 174 [2025-01-10 02:16:39,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:39,310 INFO L471 AbstractCegarLoop]: Abstraction has 1470 states and 1646 transitions. [2025-01-10 02:16:39,310 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 11.25) internal successors, (45), 4 states have internal predecessors, (45), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-01-10 02:16:39,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1646 transitions. [2025-01-10 02:16:39,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2025-01-10 02:16:39,313 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:39,313 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 6, 6, 6, 6, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:39,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2025-01-10 02:16:39,314 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:39,314 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:39,314 INFO L85 PathProgramCache]: Analyzing trace with hash 394850478, now seen corresponding path program 3 times [2025-01-10 02:16:39,314 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:39,314 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1528009368] [2025-01-10 02:16:39,314 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:16:39,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:39,323 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 180 statements into 13 equivalence classes. [2025-01-10 02:16:39,331 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 45 of 180 statements. [2025-01-10 02:16:39,332 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:16:39,332 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:39,392 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2025-01-10 02:16:39,393 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:39,393 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1528009368] [2025-01-10 02:16:39,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1528009368] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:16:39,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:16:39,394 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:16:39,394 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801288319] [2025-01-10 02:16:39,394 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:16:39,394 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:16:39,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:39,395 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:16:39,395 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:16:39,395 INFO L87 Difference]: Start difference. First operand 1470 states and 1646 transitions. Second operand has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:39,553 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:39,553 INFO L93 Difference]: Finished difference Result 1475 states and 1650 transitions. [2025-01-10 02:16:39,554 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:16:39,554 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 180 [2025-01-10 02:16:39,554 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:39,559 INFO L225 Difference]: With dead ends: 1475 [2025-01-10 02:16:39,559 INFO L226 Difference]: Without dead ends: 1474 [2025-01-10 02:16:39,559 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=78, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:16:39,560 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 39 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 170 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:39,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 170 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:16:39,561 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1474 states. [2025-01-10 02:16:39,628 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1474 to 1215. [2025-01-10 02:16:39,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1215 states, 972 states have (on average 1.1296296296296295) internal successors, (1098), 978 states have internal predecessors, (1098), 126 states have call successors, (126), 114 states have call predecessors, (126), 114 states have return successors, (126), 122 states have call predecessors, (126), 126 states have call successors, (126) [2025-01-10 02:16:39,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1215 states and 1350 transitions. [2025-01-10 02:16:39,635 INFO L78 Accepts]: Start accepts. Automaton has 1215 states and 1350 transitions. Word has length 180 [2025-01-10 02:16:39,635 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:39,635 INFO L471 AbstractCegarLoop]: Abstraction has 1215 states and 1350 transitions. [2025-01-10 02:16:39,636 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.0) internal successors, (35), 8 states have internal predecessors, (35), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:16:39,636 INFO L276 IsEmpty]: Start isEmpty. Operand 1215 states and 1350 transitions. [2025-01-10 02:16:39,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-01-10 02:16:39,639 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:39,639 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 13, 13, 13, 12, 12, 12, 11, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:39,639 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2025-01-10 02:16:39,639 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:39,640 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:39,640 INFO L85 PathProgramCache]: Analyzing trace with hash 1250143618, now seen corresponding path program 1 times [2025-01-10 02:16:39,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:39,640 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [229026134] [2025-01-10 02:16:39,640 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:39,640 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:39,647 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-01-10 02:16:39,671 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-01-10 02:16:39,672 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:39,672 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:40,454 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 9 proven. 468 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2025-01-10 02:16:40,455 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:40,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [229026134] [2025-01-10 02:16:40,455 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [229026134] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:40,455 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [602394550] [2025-01-10 02:16:40,455 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:40,455 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:40,455 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:40,457 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:40,458 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-01-10 02:16:40,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 200 statements into 1 equivalence classes. [2025-01-10 02:16:40,529 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 200 of 200 statements. [2025-01-10 02:16:40,529 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:40,529 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:40,531 INFO L256 TraceCheckSpWp]: Trace formula consists of 434 conjuncts, 37 conjuncts are in the unsatisfiable core [2025-01-10 02:16:40,534 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:40,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 9 proven. 1012 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:40,750 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:41,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1045 backedges. 9 proven. 468 refuted. 0 times theorem prover too weak. 568 trivial. 0 not checked. [2025-01-10 02:16:41,723 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [602394550] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:41,723 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:41,723 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [39, 37, 38] total 77 [2025-01-10 02:16:41,723 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1147907198] [2025-01-10 02:16:41,723 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:41,724 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 77 states [2025-01-10 02:16:41,724 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:41,725 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 77 interpolants. [2025-01-10 02:16:41,726 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1207, Invalid=4645, Unknown=0, NotChecked=0, Total=5852 [2025-01-10 02:16:41,726 INFO L87 Difference]: Start difference. First operand 1215 states and 1350 transitions. Second operand has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2025-01-10 02:16:44,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:44,578 INFO L93 Difference]: Finished difference Result 2635 states and 2960 transitions. [2025-01-10 02:16:44,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 125 states. [2025-01-10 02:16:44,581 INFO L78 Accepts]: Start accepts. Automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) Word has length 200 [2025-01-10 02:16:44,581 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:44,589 INFO L225 Difference]: With dead ends: 2635 [2025-01-10 02:16:44,589 INFO L226 Difference]: Without dead ends: 2321 [2025-01-10 02:16:44,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 523 GetRequests, 362 SyntacticMatches, 0 SemanticMatches, 161 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7243 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=5582, Invalid=20824, Unknown=0, NotChecked=0, Total=26406 [2025-01-10 02:16:44,593 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 668 mSDsluCounter, 698 mSDsCounter, 0 mSdLazyCounter, 687 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 668 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 733 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 687 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:44,594 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [668 Valid, 732 Invalid, 733 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 687 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-01-10 02:16:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2321 states. [2025-01-10 02:16:44,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2321 to 2111. [2025-01-10 02:16:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2111 states, 1691 states have (on average 1.117090479006505) internal successors, (1889), 1697 states have internal predecessors, (1889), 214 states have call successors, (214), 203 states have call predecessors, (214), 203 states have return successors, (214), 210 states have call predecessors, (214), 214 states have call successors, (214) [2025-01-10 02:16:44,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2111 states to 2111 states and 2317 transitions. [2025-01-10 02:16:44,739 INFO L78 Accepts]: Start accepts. Automaton has 2111 states and 2317 transitions. Word has length 200 [2025-01-10 02:16:44,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:44,740 INFO L471 AbstractCegarLoop]: Abstraction has 2111 states and 2317 transitions. [2025-01-10 02:16:44,740 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 77 states, 77 states have (on average 3.2987012987012987) internal successors, (254), 77 states have internal predecessors, (254), 37 states have call successors, (63), 19 states have call predecessors, (63), 19 states have return successors, (63), 37 states have call predecessors, (63), 37 states have call successors, (63) [2025-01-10 02:16:44,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2317 transitions. [2025-01-10 02:16:44,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2025-01-10 02:16:44,745 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:44,745 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 14, 14, 14, 14, 14, 14, 12, 4, 4, 4, 3, 3, 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] [2025-01-10 02:16:44,752 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-01-10 02:16:44,945 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-01-10 02:16:44,946 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:44,947 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:44,947 INFO L85 PathProgramCache]: Analyzing trace with hash -641744914, now seen corresponding path program 1 times [2025-01-10 02:16:44,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:44,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [547837800] [2025-01-10 02:16:44,947 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:44,947 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:44,955 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-01-10 02:16:44,972 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 02:16:44,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:44,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:45,770 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 0 proven. 564 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2025-01-10 02:16:45,770 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:45,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [547837800] [2025-01-10 02:16:45,770 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [547837800] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:45,770 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [251937019] [2025-01-10 02:16:45,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-01-10 02:16:45,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:45,770 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:45,772 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:45,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-01-10 02:16:45,804 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 206 statements into 1 equivalence classes. [2025-01-10 02:16:45,839 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 206 of 206 statements. [2025-01-10 02:16:45,839 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-01-10 02:16:45,839 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:45,841 INFO L256 TraceCheckSpWp]: Trace formula consists of 444 conjuncts, 38 conjuncts are in the unsatisfiable core [2025-01-10 02:16:45,844 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:46,881 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 3 proven. 1173 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:46,882 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:48,249 INFO L134 CoverageAnalysis]: Checked inductivity of 1200 backedges. 3 proven. 561 refuted. 0 times theorem prover too weak. 636 trivial. 0 not checked. [2025-01-10 02:16:48,249 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [251937019] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:48,249 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:48,249 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40, 38, 38] total 114 [2025-01-10 02:16:48,249 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108243983] [2025-01-10 02:16:48,249 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:48,250 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 115 states [2025-01-10 02:16:48,250 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:48,251 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 115 interpolants. [2025-01-10 02:16:48,252 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2714, Invalid=10396, Unknown=0, NotChecked=0, Total=13110 [2025-01-10 02:16:48,253 INFO L87 Difference]: Start difference. First operand 2111 states and 2317 transitions. Second operand has 115 states, 114 states have (on average 3.008771929824561) internal successors, (343), 115 states have internal predecessors, (343), 56 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2025-01-10 02:16:54,700 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:16:54,701 INFO L93 Difference]: Finished difference Result 4045 states and 4548 transitions. [2025-01-10 02:16:54,701 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 213 states. [2025-01-10 02:16:54,701 INFO L78 Accepts]: Start accepts. Automaton has has 115 states, 114 states have (on average 3.008771929824561) internal successors, (343), 115 states have internal predecessors, (343), 56 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) Word has length 206 [2025-01-10 02:16:54,701 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:16:54,710 INFO L225 Difference]: With dead ends: 4045 [2025-01-10 02:16:54,710 INFO L226 Difference]: Without dead ends: 3731 [2025-01-10 02:16:54,715 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 605 GetRequests, 337 SyntacticMatches, 0 SemanticMatches, 268 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19108 ImplicationChecksByTransitivity, 6.5s TimeCoverageRelationStatistics Valid=14924, Invalid=57706, Unknown=0, NotChecked=0, Total=72630 [2025-01-10 02:16:54,716 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 1278 mSDsluCounter, 621 mSDsCounter, 0 mSdLazyCounter, 974 mSolverCounterSat, 136 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1278 SdHoareTripleChecker+Valid, 651 SdHoareTripleChecker+Invalid, 1110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 136 IncrementalHoareTripleChecker+Valid, 974 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-01-10 02:16:54,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1278 Valid, 651 Invalid, 1110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [136 Valid, 974 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-01-10 02:16:54,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3731 states. [2025-01-10 02:16:54,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3731 to 2383. [2025-01-10 02:16:54,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2383 states, 1909 states have (on average 1.1210057621791514) internal successors, (2140), 1916 states have internal predecessors, (2140), 241 states have call successors, (241), 230 states have call predecessors, (241), 230 states have return successors, (241), 236 states have call predecessors, (241), 241 states have call successors, (241) [2025-01-10 02:16:54,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2383 states to 2383 states and 2622 transitions. [2025-01-10 02:16:54,897 INFO L78 Accepts]: Start accepts. Automaton has 2383 states and 2622 transitions. Word has length 206 [2025-01-10 02:16:54,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:16:54,899 INFO L471 AbstractCegarLoop]: Abstraction has 2383 states and 2622 transitions. [2025-01-10 02:16:54,899 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 115 states, 114 states have (on average 3.008771929824561) internal successors, (343), 115 states have internal predecessors, (343), 56 states have call successors, (62), 19 states have call predecessors, (62), 19 states have return successors, (62), 56 states have call predecessors, (62), 56 states have call successors, (62) [2025-01-10 02:16:54,899 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2622 transitions. [2025-01-10 02:16:54,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2025-01-10 02:16:54,904 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:16:54,904 INFO L218 NwaCegarLoop]: trace histogram [23, 23, 23, 18, 18, 18, 18, 18, 18, 16, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:16:54,911 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-01-10 02:16:55,104 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:55,105 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:16:55,105 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:16:55,105 INFO L85 PathProgramCache]: Analyzing trace with hash -447448896, now seen corresponding path program 2 times [2025-01-10 02:16:55,106 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:16:55,106 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [884954474] [2025-01-10 02:16:55,106 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:55,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:16:55,115 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 260 statements into 2 equivalence classes. [2025-01-10 02:16:55,143 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 260 of 260 statements. [2025-01-10 02:16:55,143 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:55,144 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:56,204 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 6 proven. 954 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2025-01-10 02:16:56,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:16:56,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [884954474] [2025-01-10 02:16:56,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [884954474] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:16:56,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2113568329] [2025-01-10 02:16:56,205 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:16:56,205 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:16:56,205 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:16:56,206 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:16:56,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-01-10 02:16:56,240 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 260 statements into 2 equivalence classes. [2025-01-10 02:16:56,288 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 260 of 260 statements. [2025-01-10 02:16:56,288 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:16:56,288 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:16:56,297 INFO L256 TraceCheckSpWp]: Trace formula consists of 556 conjuncts, 49 conjuncts are in the unsatisfiable core [2025-01-10 02:16:56,300 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:16:56,515 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 6 proven. 1966 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:16:56,515 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:16:57,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1996 backedges. 6 proven. 954 refuted. 0 times theorem prover too weak. 1036 trivial. 0 not checked. [2025-01-10 02:16:57,858 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2113568329] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:16:57,858 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:16:57,858 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 49, 50] total 101 [2025-01-10 02:16:57,858 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [216351143] [2025-01-10 02:16:57,858 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:16:57,859 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 101 states [2025-01-10 02:16:57,859 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:16:57,860 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 101 interpolants. [2025-01-10 02:16:57,865 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2095, Invalid=8005, Unknown=0, NotChecked=0, Total=10100 [2025-01-10 02:16:57,866 INFO L87 Difference]: Start difference. First operand 2383 states and 2622 transitions. Second operand has 101 states, 101 states have (on average 3.287128712871287) internal successors, (332), 101 states have internal predecessors, (332), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2025-01-10 02:17:02,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:02,203 INFO L93 Difference]: Finished difference Result 4221 states and 4722 transitions. [2025-01-10 02:17:02,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 187 states. [2025-01-10 02:17:02,203 INFO L78 Accepts]: Start accepts. Automaton has has 101 states, 101 states have (on average 3.287128712871287) internal successors, (332), 101 states have internal predecessors, (332), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) Word has length 260 [2025-01-10 02:17:02,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:02,215 INFO L225 Difference]: With dead ends: 4221 [2025-01-10 02:17:02,215 INFO L226 Difference]: Without dead ends: 3814 [2025-01-10 02:17:02,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 704 GetRequests, 470 SyntacticMatches, 0 SemanticMatches, 234 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16390 ImplicationChecksByTransitivity, 4.1s TimeCoverageRelationStatistics Valid=11231, Invalid=44229, Unknown=0, NotChecked=0, Total=55460 [2025-01-10 02:17:02,221 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1042 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 772 mSolverCounterSat, 123 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1042 SdHoareTripleChecker+Valid, 676 SdHoareTripleChecker+Invalid, 895 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 123 IncrementalHoareTripleChecker+Valid, 772 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:02,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1042 Valid, 676 Invalid, 895 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [123 Valid, 772 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 02:17:02,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3814 states. [2025-01-10 02:17:02,393 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3814 to 3115. [2025-01-10 02:17:02,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3115 states, 2493 states have (on average 1.1211391897312475) internal successors, (2795), 2500 states have internal predecessors, (2795), 315 states have call successors, (315), 304 states have call predecessors, (315), 304 states have return successors, (315), 310 states have call predecessors, (315), 315 states have call successors, (315) [2025-01-10 02:17:02,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3115 states to 3115 states and 3425 transitions. [2025-01-10 02:17:02,401 INFO L78 Accepts]: Start accepts. Automaton has 3115 states and 3425 transitions. Word has length 260 [2025-01-10 02:17:02,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:02,402 INFO L471 AbstractCegarLoop]: Abstraction has 3115 states and 3425 transitions. [2025-01-10 02:17:02,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 101 states, 101 states have (on average 3.287128712871287) internal successors, (332), 101 states have internal predecessors, (332), 49 states have call successors, (81), 25 states have call predecessors, (81), 25 states have return successors, (81), 49 states have call predecessors, (81), 49 states have call successors, (81) [2025-01-10 02:17:02,402 INFO L276 IsEmpty]: Start isEmpty. Operand 3115 states and 3425 transitions. [2025-01-10 02:17:02,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-01-10 02:17:02,407 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:02,407 INFO L218 NwaCegarLoop]: trace histogram [24, 24, 24, 20, 20, 20, 19, 19, 19, 18, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:02,414 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-01-10 02:17:02,607 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-01-10 02:17:02,608 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:17:02,608 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:02,608 INFO L85 PathProgramCache]: Analyzing trace with hash 297139336, now seen corresponding path program 2 times [2025-01-10 02:17:02,608 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:02,608 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049818116] [2025-01-10 02:17:02,608 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:02,608 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:02,616 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 274 statements into 2 equivalence classes. [2025-01-10 02:17:02,647 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 274 of 274 statements. [2025-01-10 02:17:02,648 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:02,648 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:03,847 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2025-01-10 02:17:03,847 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:03,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049818116] [2025-01-10 02:17:03,848 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049818116] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:03,848 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527982060] [2025-01-10 02:17:03,848 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-01-10 02:17:03,848 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:03,848 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:03,850 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:17:03,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-01-10 02:17:03,884 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 274 statements into 2 equivalence classes. [2025-01-10 02:17:03,932 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 274 of 274 statements. [2025-01-10 02:17:03,933 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-01-10 02:17:03,933 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:03,935 INFO L256 TraceCheckSpWp]: Trace formula consists of 588 conjuncts, 51 conjuncts are in the unsatisfiable core [2025-01-10 02:17:03,940 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:04,167 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 2230 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-01-10 02:17:04,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:05,593 INFO L134 CoverageAnalysis]: Checked inductivity of 2272 backedges. 18 proven. 1126 refuted. 0 times theorem prover too weak. 1128 trivial. 0 not checked. [2025-01-10 02:17:05,593 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527982060] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:05,593 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:05,593 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [53, 51, 52] total 105 [2025-01-10 02:17:05,593 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881038886] [2025-01-10 02:17:05,593 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:05,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 105 states [2025-01-10 02:17:05,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:05,595 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 105 interpolants. [2025-01-10 02:17:05,596 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=2341, Invalid=8579, Unknown=0, NotChecked=0, Total=10920 [2025-01-10 02:17:05,597 INFO L87 Difference]: Start difference. First operand 3115 states and 3425 transitions. Second operand has 105 states, 105 states have (on average 3.323809523809524) internal successors, (349), 105 states have internal predecessors, (349), 51 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 51 states have call predecessors, (84), 51 states have call successors, (84) [2025-01-10 02:17:10,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:10,019 INFO L93 Difference]: Finished difference Result 5362 states and 5950 transitions. [2025-01-10 02:17:10,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 175 states. [2025-01-10 02:17:10,019 INFO L78 Accepts]: Start accepts. Automaton has has 105 states, 105 states have (on average 3.323809523809524) internal successors, (349), 105 states have internal predecessors, (349), 51 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 51 states have call predecessors, (84), 51 states have call successors, (84) Word has length 274 [2025-01-10 02:17:10,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:10,031 INFO L225 Difference]: With dead ends: 5362 [2025-01-10 02:17:10,031 INFO L226 Difference]: Without dead ends: 4955 [2025-01-10 02:17:10,034 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 721 GetRequests, 496 SyntacticMatches, 0 SemanticMatches, 225 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14110 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=11487, Invalid=39815, Unknown=0, NotChecked=0, Total=51302 [2025-01-10 02:17:10,035 INFO L435 NwaCegarLoop]: 34 mSDtfsCounter, 1292 mSDsluCounter, 673 mSDsCounter, 0 mSdLazyCounter, 757 mSolverCounterSat, 53 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1292 SdHoareTripleChecker+Valid, 707 SdHoareTripleChecker+Invalid, 810 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 53 IncrementalHoareTripleChecker+Valid, 757 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:10,035 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1292 Valid, 707 Invalid, 810 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [53 Valid, 757 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-01-10 02:17:10,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4955 states. [2025-01-10 02:17:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4955 to 4548. [2025-01-10 02:17:10,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4548 states, 3642 states have (on average 1.1169686985172982) internal successors, (4068), 3648 states have internal predecessors, (4068), 457 states have call successors, (457), 446 states have call predecessors, (457), 446 states have return successors, (457), 453 states have call predecessors, (457), 457 states have call successors, (457) [2025-01-10 02:17:10,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4548 states to 4548 states and 4982 transitions. [2025-01-10 02:17:10,278 INFO L78 Accepts]: Start accepts. Automaton has 4548 states and 4982 transitions. Word has length 274 [2025-01-10 02:17:10,278 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:10,278 INFO L471 AbstractCegarLoop]: Abstraction has 4548 states and 4982 transitions. [2025-01-10 02:17:10,278 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 105 states, 105 states have (on average 3.323809523809524) internal successors, (349), 105 states have internal predecessors, (349), 51 states have call successors, (84), 26 states have call predecessors, (84), 26 states have return successors, (84), 51 states have call predecessors, (84), 51 states have call successors, (84) [2025-01-10 02:17:10,279 INFO L276 IsEmpty]: Start isEmpty. Operand 4548 states and 4982 transitions. [2025-01-10 02:17:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2025-01-10 02:17:10,283 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:10,284 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 21, 21, 21, 21, 21, 21, 19, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:10,291 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-01-10 02:17:10,484 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-01-10 02:17:10,484 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:17:10,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:10,485 INFO L85 PathProgramCache]: Analyzing trace with hash 183162036, now seen corresponding path program 3 times [2025-01-10 02:17:10,485 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:10,485 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1743538044] [2025-01-10 02:17:10,485 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:10,485 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:10,494 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 280 statements into 20 equivalence classes. [2025-01-10 02:17:10,500 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 55 of 280 statements. [2025-01-10 02:17:10,501 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:17:10,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:10,547 INFO L134 CoverageAnalysis]: Checked inductivity of 2510 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 2436 trivial. 0 not checked. [2025-01-10 02:17:10,548 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:10,548 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1743538044] [2025-01-10 02:17:10,548 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1743538044] provided 1 perfect and 0 imperfect interpolant sequences [2025-01-10 02:17:10,548 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-01-10 02:17:10,548 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2025-01-10 02:17:10,548 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [508874490] [2025-01-10 02:17:10,548 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-01-10 02:17:10,548 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-01-10 02:17:10,548 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:10,549 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-01-10 02:17:10,549 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2025-01-10 02:17:10,549 INFO L87 Difference]: Start difference. First operand 4548 states and 4982 transitions. Second operand has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:17:10,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:10,883 INFO L93 Difference]: Finished difference Result 4586 states and 5020 transitions. [2025-01-10 02:17:10,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-01-10 02:17:10,884 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 280 [2025-01-10 02:17:10,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:10,896 INFO L225 Difference]: With dead ends: 4586 [2025-01-10 02:17:10,896 INFO L226 Difference]: Without dead ends: 4584 [2025-01-10 02:17:10,898 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-01-10 02:17:10,898 INFO L435 NwaCegarLoop]: 40 mSDtfsCounter, 33 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 123 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 33 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 123 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:10,898 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [33 Valid, 190 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 123 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-01-10 02:17:10,901 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4584 states. [2025-01-10 02:17:11,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4584 to 4536. [2025-01-10 02:17:11,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4536 states, 3631 states have (on average 1.1162214266042412) internal successors, (4053), 3637 states have internal predecessors, (4053), 456 states have call successors, (456), 446 states have call predecessors, (456), 446 states have return successors, (456), 452 states have call predecessors, (456), 456 states have call successors, (456) [2025-01-10 02:17:11,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4536 states to 4536 states and 4965 transitions. [2025-01-10 02:17:11,151 INFO L78 Accepts]: Start accepts. Automaton has 4536 states and 4965 transitions. Word has length 280 [2025-01-10 02:17:11,151 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:11,151 INFO L471 AbstractCegarLoop]: Abstraction has 4536 states and 4965 transitions. [2025-01-10 02:17:11,151 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 5.142857142857143) internal successors, (36), 8 states have internal predecessors, (36), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-01-10 02:17:11,151 INFO L276 IsEmpty]: Start isEmpty. Operand 4536 states and 4965 transitions. [2025-01-10 02:17:11,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2025-01-10 02:17:11,156 INFO L210 NwaCegarLoop]: Found error trace [2025-01-10 02:17:11,156 INFO L218 NwaCegarLoop]: trace histogram [25, 25, 25, 20, 20, 20, 19, 19, 19, 18, 5, 5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:11,157 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2025-01-10 02:17:11,157 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 3 more)] === [2025-01-10 02:17:11,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-01-10 02:17:11,157 INFO L85 PathProgramCache]: Analyzing trace with hash -1924147161, now seen corresponding path program 3 times [2025-01-10 02:17:11,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-01-10 02:17:11,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251993184] [2025-01-10 02:17:11,157 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:11,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-01-10 02:17:11,166 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 284 statements into 20 equivalence classes. [2025-01-10 02:17:11,175 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 59 of 284 statements. [2025-01-10 02:17:11,177 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:17:11,177 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:11,247 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 151 proven. 1 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2025-01-10 02:17:11,247 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-01-10 02:17:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251993184] [2025-01-10 02:17:11,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251993184] provided 0 perfect and 1 imperfect interpolant sequences [2025-01-10 02:17:11,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1337419176] [2025-01-10 02:17:11,247 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-01-10 02:17:11,248 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:11,248 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-01-10 02:17:11,249 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-01-10 02:17:11,250 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-01-10 02:17:11,286 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 284 statements into 20 equivalence classes. [2025-01-10 02:17:11,297 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 59 of 284 statements. [2025-01-10 02:17:11,298 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-01-10 02:17:11,298 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-01-10 02:17:11,298 INFO L256 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-01-10 02:17:11,301 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-01-10 02:17:11,324 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 247 proven. 1 refuted. 0 times theorem prover too weak. 2142 trivial. 0 not checked. [2025-01-10 02:17:11,324 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-01-10 02:17:11,430 INFO L134 CoverageAnalysis]: Checked inductivity of 2390 backedges. 151 proven. 1 refuted. 0 times theorem prover too weak. 2238 trivial. 0 not checked. [2025-01-10 02:17:11,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1337419176] provided 0 perfect and 2 imperfect interpolant sequences [2025-01-10 02:17:11,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-01-10 02:17:11,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 8, 8] total 17 [2025-01-10 02:17:11,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [107049510] [2025-01-10 02:17:11,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-01-10 02:17:11,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-01-10 02:17:11,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-01-10 02:17:11,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-01-10 02:17:11,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=65, Invalid=241, Unknown=0, NotChecked=0, Total=306 [2025-01-10 02:17:11,435 INFO L87 Difference]: Start difference. First operand 4536 states and 4965 transitions. Second operand has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 02:17:12,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-01-10 02:17:12,199 INFO L93 Difference]: Finished difference Result 4630 states and 5074 transitions. [2025-01-10 02:17:12,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-01-10 02:17:12,199 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) Word has length 284 [2025-01-10 02:17:12,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-01-10 02:17:12,203 INFO L225 Difference]: With dead ends: 4630 [2025-01-10 02:17:12,203 INFO L226 Difference]: Without dead ends: 0 [2025-01-10 02:17:12,209 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 587 GetRequests, 559 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=184, Invalid=686, Unknown=0, NotChecked=0, Total=870 [2025-01-10 02:17:12,210 INFO L435 NwaCegarLoop]: 31 mSDtfsCounter, 78 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 268 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 288 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 268 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-01-10 02:17:12,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 259 Invalid, 288 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 268 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-01-10 02:17:12,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2025-01-10 02:17:12,210 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2025-01-10 02:17:12,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 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) [2025-01-10 02:17:12,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2025-01-10 02:17:12,212 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 284 [2025-01-10 02:17:12,212 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-01-10 02:17:12,212 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2025-01-10 02:17:12,213 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 3 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 3 states have call predecessors, (10), 3 states have call successors, (10) [2025-01-10 02:17:12,213 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2025-01-10 02:17:12,213 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2025-01-10 02:17:12,215 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 6 remaining) [2025-01-10 02:17:12,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 6 remaining) [2025-01-10 02:17:12,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 6 remaining) [2025-01-10 02:17:12,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 6 remaining) [2025-01-10 02:17:12,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 6 remaining) [2025-01-10 02:17:12,216 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 6 remaining) [2025-01-10 02:17:12,226 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2025-01-10 02:17:12,417 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-01-10 02:17:12,419 INFO L422 BasicCegarLoop]: Path program histogram: [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-01-10 02:17:12,420 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions.