./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 48c9605d Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c -s /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 40704d62e6828e524eeb24a4dc1771a4d2719fc47e6facdd014c5940cef1d5d0 --- Real Ultimate output --- This is Ultimate 0.3.0-?-48c9605-m [2025-02-08 09:31:43,036 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-08 09:31:43,087 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-08 09:31:43,091 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-08 09:31:43,093 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-08 09:31:43,113 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-08 09:31:43,114 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-08 09:31:43,114 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-08 09:31:43,114 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-08 09:31:43,114 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-08 09:31:43,114 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-08 09:31:43,114 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-08 09:31:43,114 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * Use SBE=true [2025-02-08 09:31:43,115 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-08 09:31:43,115 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-08 09:31:43,116 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-08 09:31:43,116 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:31:43,117 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-08 09:31:43,117 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-08 09:31:43,117 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 -> 40704d62e6828e524eeb24a4dc1771a4d2719fc47e6facdd014c5940cef1d5d0 [2025-02-08 09:31:43,330 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-08 09:31:43,335 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-08 09:31:43,337 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-08 09:31:43,338 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-08 09:31:43,338 INFO L274 PluginConnector]: CDTParser initialized [2025-02-08 09:31:43,339 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2025-02-08 09:31:44,479 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ae961ac6/719c0c25d3d143beb8be7644b6bdc5a5/FLAG3b036c3ee [2025-02-08 09:31:44,680 INFO L384 CDTParser]: Found 1 translation units. [2025-02-08 09:31:44,683 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/fermat2-ll_valuebound2.c [2025-02-08 09:31:44,692 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ae961ac6/719c0c25d3d143beb8be7644b6bdc5a5/FLAG3b036c3ee [2025-02-08 09:31:45,037 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/4ae961ac6/719c0c25d3d143beb8be7644b6bdc5a5 [2025-02-08 09:31:45,039 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-08 09:31:45,040 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-08 09:31:45,041 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-08 09:31:45,041 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-08 09:31:45,043 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-08 09:31:45,044 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,045 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@b53348a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45, skipping insertion in model container [2025-02-08 09:31:45,045 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,053 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-08 09:31:45,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:31:45,175 INFO L200 MainTranslator]: Completed pre-run [2025-02-08 09:31:45,192 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-08 09:31:45,202 INFO L204 MainTranslator]: Completed translation [2025-02-08 09:31:45,203 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45 WrapperNode [2025-02-08 09:31:45,203 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-08 09:31:45,204 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-08 09:31:45,204 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-08 09:31:45,204 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-08 09:31:45,208 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,218 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,234 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 103 [2025-02-08 09:31:45,238 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-08 09:31:45,239 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-08 09:31:45,239 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-08 09:31:45,239 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-08 09:31:45,246 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,249 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,261 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-08 09:31:45,264 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,264 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,266 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,269 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,270 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,271 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,276 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-08 09:31:45,276 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-08 09:31:45,277 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-08 09:31:45,277 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-08 09:31:45,277 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (1/1) ... [2025-02-08 09:31:45,284 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-08 09:31:45,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:45,310 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-08 09:31:45,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-08 09:31:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-08 09:31:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2025-02-08 09:31:45,331 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2025-02-08 09:31:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-08 09:31:45,331 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-08 09:31:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-08 09:31:45,332 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-08 09:31:45,332 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-08 09:31:45,367 INFO L257 CfgBuilder]: Building ICFG [2025-02-08 09:31:45,368 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-08 09:31:45,702 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2025-02-08 09:31:45,706 INFO L308 CfgBuilder]: Performing block encoding [2025-02-08 09:31:45,720 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-08 09:31:45,722 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-08 09:31:45,722 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:31:45 BoogieIcfgContainer [2025-02-08 09:31:45,722 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-08 09:31:45,724 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-08 09:31:45,725 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-08 09:31:45,728 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-08 09:31:45,729 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 08.02 09:31:45" (1/3) ... [2025-02-08 09:31:45,729 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7408df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:31:45, skipping insertion in model container [2025-02-08 09:31:45,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.02 09:31:45" (2/3) ... [2025-02-08 09:31:45,730 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5a7408df and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 08.02 09:31:45, skipping insertion in model container [2025-02-08 09:31:45,730 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 08.02 09:31:45" (3/3) ... [2025-02-08 09:31:45,731 INFO L128 eAbstractionObserver]: Analyzing ICFG fermat2-ll_valuebound2.c [2025-02-08 09:31:45,744 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-08 09:31:45,745 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG fermat2-ll_valuebound2.c that has 3 procedures, 134 locations, 1 initial locations, 1 loop locations, and 56 error locations. [2025-02-08 09:31:45,794 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-08 09:31:45,805 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;@645b5a73, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-08 09:31:45,806 INFO L334 AbstractCegarLoop]: Starting to check reachability of 56 error locations. [2025-02-08 09:31:45,810 INFO L276 IsEmpty]: Start isEmpty. Operand has 134 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 125 states have internal predecessors, (130), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:31:45,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:31:45,813 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:45,814 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:45,814 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:45,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:45,819 INFO L85 PathProgramCache]: Analyzing trace with hash -1938104809, now seen corresponding path program 1 times [2025-02-08 09:31:45,824 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:45,826 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [494611787] [2025-02-08 09:31:45,826 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:45,826 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:45,870 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:31:45,882 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:31:45,882 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:45,882 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:45,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:31:45,918 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:45,918 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [494611787] [2025-02-08 09:31:45,919 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [494611787] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:45,919 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1638927250] [2025-02-08 09:31:45,920 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:45,921 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:45,921 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:45,923 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:45,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-08 09:31:45,952 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:31:45,959 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:31:45,959 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:45,959 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:45,960 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 1 conjuncts are in the unsatisfiable core [2025-02-08 09:31:45,962 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:45,967 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2025-02-08 09:31:45,968 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:45,968 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1638927250] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:45,968 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:31:45,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 2 [2025-02-08 09:31:45,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1294090723] [2025-02-08 09:31:45,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:45,973 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-08 09:31:45,973 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:45,986 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-08 09:31:45,986 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:31:45,988 INFO L87 Difference]: Start difference. First operand has 134 states, 69 states have (on average 1.8840579710144927) internal successors, (130), 125 states have internal predecessors, (130), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:46,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:46,010 INFO L93 Difference]: Finished difference Result 260 states and 287 transitions. [2025-02-08 09:31:46,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-08 09:31:46,012 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2025-02-08 09:31:46,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:46,017 INFO L225 Difference]: With dead ends: 260 [2025-02-08 09:31:46,017 INFO L226 Difference]: Without dead ends: 124 [2025-02-08 09:31:46,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-08 09:31:46,023 INFO L435 NwaCegarLoop]: 133 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, 133 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:46,025 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:46,034 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2025-02-08 09:31:46,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2025-02-08 09:31:46,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 124 states, 67 states have (on average 1.7611940298507462) internal successors, (118), 116 states have internal predecessors, (118), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:46,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 128 transitions. [2025-02-08 09:31:46,055 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 128 transitions. Word has length 13 [2025-02-08 09:31:46,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:46,055 INFO L471 AbstractCegarLoop]: Abstraction has 124 states and 128 transitions. [2025-02-08 09:31:46,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:46,055 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 128 transitions. [2025-02-08 09:31:46,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-02-08 09:31:46,056 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:46,056 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:46,062 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-02-08 09:31:46,257 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable0 [2025-02-08 09:31:46,257 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:46,258 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:46,258 INFO L85 PathProgramCache]: Analyzing trace with hash -2134588523, now seen corresponding path program 1 times [2025-02-08 09:31:46,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:46,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120367956] [2025-02-08 09:31:46,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:46,264 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-02-08 09:31:46,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-02-08 09:31:46,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:46,308 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:31:46,308 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:46,308 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120367956] [2025-02-08 09:31:46,308 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [120367956] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:46,308 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:46,308 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:46,309 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [40154252] [2025-02-08 09:31:46,310 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:46,314 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:46,314 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:46,314 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:46,314 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:46,315 INFO L87 Difference]: Start difference. First operand 124 states and 128 transitions. Second operand has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:46,366 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:46,368 INFO L93 Difference]: Finished difference Result 124 states and 128 transitions. [2025-02-08 09:31:46,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:46,368 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 13 [2025-02-08 09:31:46,369 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:46,369 INFO L225 Difference]: With dead ends: 124 [2025-02-08 09:31:46,370 INFO L226 Difference]: Without dead ends: 120 [2025-02-08 09:31:46,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:46,372 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 13 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:46,372 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 199 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:46,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2025-02-08 09:31:46,381 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2025-02-08 09:31:46,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 67 states have (on average 1.7014925373134329) internal successors, (114), 112 states have internal predecessors, (114), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:46,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 124 transitions. [2025-02-08 09:31:46,387 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 124 transitions. Word has length 13 [2025-02-08 09:31:46,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:46,387 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 124 transitions. [2025-02-08 09:31:46,388 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:46,388 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 124 transitions. [2025-02-08 09:31:46,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2025-02-08 09:31:46,388 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:46,388 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:46,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-08 09:31:46,388 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:46,388 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:46,388 INFO L85 PathProgramCache]: Analyzing trace with hash -1747734684, now seen corresponding path program 1 times [2025-02-08 09:31:46,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:46,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961399041] [2025-02-08 09:31:46,389 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:46,394 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 14 statements into 1 equivalence classes. [2025-02-08 09:31:46,405 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 14 of 14 statements. [2025-02-08 09:31:46,406 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,406 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:46,435 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-08 09:31:46,436 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:46,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961399041] [2025-02-08 09:31:46,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961399041] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:46,439 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:46,440 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:46,440 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868018310] [2025-02-08 09:31:46,440 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:46,440 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:46,440 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:46,440 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:46,440 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:46,440 INFO L87 Difference]: Start difference. First operand 120 states and 124 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:46,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:46,472 INFO L93 Difference]: Finished difference Result 120 states and 124 transitions. [2025-02-08 09:31:46,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:46,475 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 14 [2025-02-08 09:31:46,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:46,476 INFO L225 Difference]: With dead ends: 120 [2025-02-08 09:31:46,476 INFO L226 Difference]: Without dead ends: 116 [2025-02-08 09:31:46,476 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:46,477 INFO L435 NwaCegarLoop]: 102 mSDtfsCounter, 12 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 24 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 24 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:46,477 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 199 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 24 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:46,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2025-02-08 09:31:46,483 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2025-02-08 09:31:46,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 67 states have (on average 1.6417910447761195) internal successors, (110), 108 states have internal predecessors, (110), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:46,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 120 transitions. [2025-02-08 09:31:46,485 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 120 transitions. Word has length 14 [2025-02-08 09:31:46,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:46,485 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 120 transitions. [2025-02-08 09:31:46,485 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-02-08 09:31:46,486 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 120 transitions. [2025-02-08 09:31:46,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2025-02-08 09:31:46,486 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:46,486 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:46,486 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-08 09:31:46,486 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:46,487 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:46,488 INFO L85 PathProgramCache]: Analyzing trace with hash 504247072, now seen corresponding path program 1 times [2025-02-08 09:31:46,488 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:46,488 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1460895495] [2025-02-08 09:31:46,488 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,488 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:46,492 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:31:46,505 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:31:46,506 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,506 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:46,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2093223871] [2025-02-08 09:31:46,508 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:46,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:46,510 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:46,511 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-08 09:31:46,534 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 18 statements into 1 equivalence classes. [2025-02-08 09:31:46,545 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 18 of 18 statements. [2025-02-08 09:31:46,546 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,546 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:46,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 49 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:31:46,550 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:46,613 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-02-08 09:31:46,613 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:46,613 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:46,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1460895495] [2025-02-08 09:31:46,613 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:46,613 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2093223871] [2025-02-08 09:31:46,613 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2093223871] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:46,614 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:46,614 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:46,614 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962009944] [2025-02-08 09:31:46,614 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:46,614 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:46,614 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:46,614 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:46,614 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:46,615 INFO L87 Difference]: Start difference. First operand 116 states and 120 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:31:46,697 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:46,697 INFO L93 Difference]: Finished difference Result 116 states and 120 transitions. [2025-02-08 09:31:46,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:46,698 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) Word has length 18 [2025-02-08 09:31:46,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:46,699 INFO L225 Difference]: With dead ends: 116 [2025-02-08 09:31:46,701 INFO L226 Difference]: Without dead ends: 114 [2025-02-08 09:31:46,701 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:46,701 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 8 mSDsluCounter, 278 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 375 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:46,702 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 375 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:46,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-08 09:31:46,707 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 114. [2025-02-08 09:31:46,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:46,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2025-02-08 09:31:46,709 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 18 [2025-02-08 09:31:46,709 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:46,709 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2025-02-08 09:31:46,709 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 5 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 2 states have return successors, (2), 2 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-08 09:31:46,709 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2025-02-08 09:31:46,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-02-08 09:31:46,710 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:46,710 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] [2025-02-08 09:31:46,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-08 09:31:46,910 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:46,910 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:46,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:46,911 INFO L85 PathProgramCache]: Analyzing trace with hash 344714795, now seen corresponding path program 1 times [2025-02-08 09:31:46,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:46,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [464680206] [2025-02-08 09:31:46,911 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,911 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:46,918 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:31:46,940 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:31:46,941 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,941 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:46,942 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [289152375] [2025-02-08 09:31:46,942 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:46,942 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:46,942 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:46,944 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:46,945 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-08 09:31:46,978 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-02-08 09:31:46,992 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-02-08 09:31:46,992 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:46,992 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:46,993 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-08 09:31:46,994 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:47,082 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:47,083 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:47,135 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:47,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [464680206] [2025-02-08 09:31:47,135 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:47,135 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [289152375] [2025-02-08 09:31:47,135 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [289152375] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:47,135 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:31:47,136 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-08 09:31:47,136 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1746503536] [2025-02-08 09:31:47,136 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:47,136 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:47,136 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:47,136 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:47,136 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:47,137 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:31:47,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:47,190 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2025-02-08 09:31:47,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:47,191 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) Word has length 35 [2025-02-08 09:31:47,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:47,191 INFO L225 Difference]: With dead ends: 114 [2025-02-08 09:31:47,191 INFO L226 Difference]: Without dead ends: 111 [2025-02-08 09:31:47,192 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:47,192 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 80 mSDsluCounter, 193 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 290 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:47,192 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 290 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:47,193 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-08 09:31:47,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 111. [2025-02-08 09:31:47,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 111 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 103 states have internal predecessors, (105), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:47,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 111 states and 115 transitions. [2025-02-08 09:31:47,197 INFO L78 Accepts]: Start accepts. Automaton has 111 states and 115 transitions. Word has length 35 [2025-02-08 09:31:47,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:47,197 INFO L471 AbstractCegarLoop]: Abstraction has 111 states and 115 transitions. [2025-02-08 09:31:47,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 5.25) internal successors, (21), 5 states have internal predecessors, (21), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 1 states have call predecessors, (4), 2 states have call successors, (4) [2025-02-08 09:31:47,198 INFO L276 IsEmpty]: Start isEmpty. Operand 111 states and 115 transitions. [2025-02-08 09:31:47,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-02-08 09:31:47,198 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:47,198 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] [2025-02-08 09:31:47,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-08 09:31:47,400 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:47,400 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:47,401 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:47,401 INFO L85 PathProgramCache]: Analyzing trace with hash 2096224116, now seen corresponding path program 1 times [2025-02-08 09:31:47,401 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:47,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [750562509] [2025-02-08 09:31:47,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,401 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:47,406 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:31:47,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:31:47,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:47,577 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:47,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:47,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [750562509] [2025-02-08 09:31:47,578 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [750562509] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:47,579 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1628713370] [2025-02-08 09:31:47,579 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,579 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:47,579 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:47,580 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:47,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-08 09:31:47,607 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-02-08 09:31:47,616 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-02-08 09:31:47,617 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,617 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:47,617 INFO L256 TraceCheckSpWp]: Trace formula consists of 79 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-08 09:31:47,619 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:47,701 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:47,701 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:47,701 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1628713370] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:47,702 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-08 09:31:47,702 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2025-02-08 09:31:47,702 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933659049] [2025-02-08 09:31:47,702 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:47,702 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-08 09:31:47,702 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:47,702 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-08 09:31:47,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:31:47,703 INFO L87 Difference]: Start difference. First operand 111 states and 115 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:47,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:47,768 INFO L93 Difference]: Finished difference Result 111 states and 115 transitions. [2025-02-08 09:31:47,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-08 09:31:47,769 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 36 [2025-02-08 09:31:47,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:47,770 INFO L225 Difference]: With dead ends: 111 [2025-02-08 09:31:47,770 INFO L226 Difference]: Without dead ends: 110 [2025-02-08 09:31:47,770 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2025-02-08 09:31:47,771 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 79 mSDsluCounter, 272 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:47,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 369 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:47,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 110 states. [2025-02-08 09:31:47,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 110 to 110. [2025-02-08 09:31:47,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 110 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 102 states have internal predecessors, (104), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:47,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 114 transitions. [2025-02-08 09:31:47,781 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 114 transitions. Word has length 36 [2025-02-08 09:31:47,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:47,782 INFO L471 AbstractCegarLoop]: Abstraction has 110 states and 114 transitions. [2025-02-08 09:31:47,782 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2025-02-08 09:31:47,782 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 114 transitions. [2025-02-08 09:31:47,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2025-02-08 09:31:47,782 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:47,782 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, 1, 1] [2025-02-08 09:31:47,793 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-02-08 09:31:47,983 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-02-08 09:31:47,983 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:47,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:47,984 INFO L85 PathProgramCache]: Analyzing trace with hash 131715602, now seen corresponding path program 1 times [2025-02-08 09:31:47,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:47,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1163281213] [2025-02-08 09:31:47,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:47,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:47,988 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 38 statements into 1 equivalence classes. [2025-02-08 09:31:47,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 38 of 38 statements. [2025-02-08 09:31:47,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:47,994 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,029 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,030 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:48,030 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1163281213] [2025-02-08 09:31:48,030 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1163281213] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:48,030 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:48,030 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:48,031 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1393888182] [2025-02-08 09:31:48,031 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:48,031 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:48,031 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:48,031 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:48,031 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:48,032 INFO L87 Difference]: Start difference. First operand 110 states and 114 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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) [2025-02-08 09:31:48,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:48,067 INFO L93 Difference]: Finished difference Result 113 states and 117 transitions. [2025-02-08 09:31:48,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:48,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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 38 [2025-02-08 09:31:48,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:48,068 INFO L225 Difference]: With dead ends: 113 [2025-02-08 09:31:48,068 INFO L226 Difference]: Without dead ends: 112 [2025-02-08 09:31:48,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:48,068 INFO L435 NwaCegarLoop]: 95 mSDtfsCounter, 35 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:48,069 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 157 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:48,069 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 112 states. [2025-02-08 09:31:48,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 112 to 112. [2025-02-08 09:31:48,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 112 states, 69 states have (on average 1.536231884057971) internal successors, (106), 104 states have internal predecessors, (106), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:48,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 112 states and 116 transitions. [2025-02-08 09:31:48,073 INFO L78 Accepts]: Start accepts. Automaton has 112 states and 116 transitions. Word has length 38 [2025-02-08 09:31:48,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:48,074 INFO L471 AbstractCegarLoop]: Abstraction has 112 states and 116 transitions. [2025-02-08 09:31:48,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 1 states have call successors, (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) [2025-02-08 09:31:48,074 INFO L276 IsEmpty]: Start isEmpty. Operand 112 states and 116 transitions. [2025-02-08 09:31:48,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-02-08 09:31:48,074 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:48,074 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, 1, 1, 1] [2025-02-08 09:31:48,075 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-08 09:31:48,075 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:48,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:48,075 INFO L85 PathProgramCache]: Analyzing trace with hash -211783577, now seen corresponding path program 1 times [2025-02-08 09:31:48,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:48,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106320545] [2025-02-08 09:31:48,075 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,075 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:48,088 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-02-08 09:31:48,094 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-02-08 09:31:48,095 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,095 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,124 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:48,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106320545] [2025-02-08 09:31:48,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1106320545] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:48,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:48,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:31:48,124 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2044936715] [2025-02-08 09:31:48,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:48,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:31:48,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:48,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:31:48,126 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:48,126 INFO L87 Difference]: Start difference. First operand 112 states and 116 transitions. Second operand has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2025-02-08 09:31:48,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:48,188 INFO L93 Difference]: Finished difference Result 114 states and 118 transitions. [2025-02-08 09:31:48,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:31:48,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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 39 [2025-02-08 09:31:48,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:48,189 INFO L225 Difference]: With dead ends: 114 [2025-02-08 09:31:48,189 INFO L226 Difference]: Without dead ends: 113 [2025-02-08 09:31:48,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:48,190 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 45 mSDsluCounter, 127 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:48,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 209 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:48,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 113 states. [2025-02-08 09:31:48,197 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 113 to 113. [2025-02-08 09:31:48,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 113 states, 70 states have (on average 1.5285714285714285) internal successors, (107), 105 states have internal predecessors, (107), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:48,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 117 transitions. [2025-02-08 09:31:48,198 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 117 transitions. Word has length 39 [2025-02-08 09:31:48,199 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:48,199 INFO L471 AbstractCegarLoop]: Abstraction has 113 states and 117 transitions. [2025-02-08 09:31:48,199 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.333333333333333) internal successors, (22), 4 states have internal predecessors, (22), 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) [2025-02-08 09:31:48,199 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 117 transitions. [2025-02-08 09:31:48,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2025-02-08 09:31:48,199 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:48,199 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, 1, 1, 1, 1] [2025-02-08 09:31:48,199 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-08 09:31:48,200 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:48,200 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:48,200 INFO L85 PathProgramCache]: Analyzing trace with hash 2024643760, now seen corresponding path program 1 times [2025-02-08 09:31:48,200 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:48,200 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212792145] [2025-02-08 09:31:48,200 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:48,203 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:31:48,209 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:31:48,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:48,210 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [86058931] [2025-02-08 09:31:48,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,211 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:48,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:48,212 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:48,214 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-08 09:31:48,237 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 40 statements into 1 equivalence classes. [2025-02-08 09:31:48,249 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 40 of 40 statements. [2025-02-08 09:31:48,249 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,249 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,250 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 2 conjuncts are in the unsatisfiable core [2025-02-08 09:31:48,250 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:48,276 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:48,276 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:48,276 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212792145] [2025-02-08 09:31:48,276 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:48,276 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [86058931] [2025-02-08 09:31:48,276 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [86058931] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:48,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:48,277 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:48,277 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [964912595] [2025-02-08 09:31:48,277 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:48,277 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:48,277 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:48,278 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:48,278 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:48,278 INFO L87 Difference]: Start difference. First operand 113 states and 117 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-02-08 09:31:48,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:48,323 INFO L93 Difference]: Finished difference Result 149 states and 161 transitions. [2025-02-08 09:31:48,323 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:48,323 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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 40 [2025-02-08 09:31:48,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:48,324 INFO L225 Difference]: With dead ends: 149 [2025-02-08 09:31:48,324 INFO L226 Difference]: Without dead ends: 148 [2025-02-08 09:31:48,324 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 38 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:48,324 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 33 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 41 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:48,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 186 Invalid, 41 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-08 09:31:48,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-02-08 09:31:48,332 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 114. [2025-02-08 09:31:48,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 114 states, 71 states have (on average 1.5211267605633803) internal successors, (108), 106 states have internal predecessors, (108), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:48,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 118 transitions. [2025-02-08 09:31:48,333 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 118 transitions. Word has length 40 [2025-02-08 09:31:48,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:48,333 INFO L471 AbstractCegarLoop]: Abstraction has 114 states and 118 transitions. [2025-02-08 09:31:48,333 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 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) [2025-02-08 09:31:48,333 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 118 transitions. [2025-02-08 09:31:48,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-02-08 09:31:48,336 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:48,336 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, 1, 1, 1, 1, 1] [2025-02-08 09:31:48,342 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-02-08 09:31:48,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:48,536 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:48,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:48,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1660552827, now seen corresponding path program 1 times [2025-02-08 09:31:48,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:48,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1156395231] [2025-02-08 09:31:48,537 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,537 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:48,541 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:31:48,547 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:31:48,547 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,547 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,637 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:48,638 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:48,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1156395231] [2025-02-08 09:31:48,638 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1156395231] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:48,638 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1070261318] [2025-02-08 09:31:48,638 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:48,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:48,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:48,640 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:48,641 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-08 09:31:48,662 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-02-08 09:31:48,673 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-02-08 09:31:48,673 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:48,673 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:48,674 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-08 09:31:48,675 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:48,859 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:48,859 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:49,056 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1070261318] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:49,057 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:31:49,057 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 10 [2025-02-08 09:31:49,057 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1051941992] [2025-02-08 09:31:49,057 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:49,057 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-08 09:31:49,057 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:49,058 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-08 09:31:49,058 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-02-08 09:31:49,058 INFO L87 Difference]: Start difference. First operand 114 states and 118 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-08 09:31:49,344 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:49,344 INFO L93 Difference]: Finished difference Result 149 states and 160 transitions. [2025-02-08 09:31:49,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-08 09:31:49,344 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) Word has length 41 [2025-02-08 09:31:49,345 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:49,345 INFO L225 Difference]: With dead ends: 149 [2025-02-08 09:31:49,345 INFO L226 Difference]: Without dead ends: 148 [2025-02-08 09:31:49,346 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=73, Invalid=233, Unknown=0, NotChecked=0, Total=306 [2025-02-08 09:31:49,346 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 156 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 296 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 299 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 296 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:49,346 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 551 Invalid, 299 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 296 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:31:49,346 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2025-02-08 09:31:49,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 115. [2025-02-08 09:31:49,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 72 states have (on average 1.5138888888888888) internal successors, (109), 107 states have internal predecessors, (109), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-08 09:31:49,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 119 transitions. [2025-02-08 09:31:49,351 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 119 transitions. Word has length 41 [2025-02-08 09:31:49,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:49,351 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 119 transitions. [2025-02-08 09:31:49,351 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 11 states have internal predecessors, (47), 5 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 5 states have call predecessors, (7), 5 states have call successors, (7) [2025-02-08 09:31:49,351 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 119 transitions. [2025-02-08 09:31:49,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2025-02-08 09:31:49,351 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:49,352 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, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:49,357 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-08 09:31:49,554 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,SelfDestructingSolverStorable9 [2025-02-08 09:31:49,554 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:49,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:49,554 INFO L85 PathProgramCache]: Analyzing trace with hash 1936568995, now seen corresponding path program 1 times [2025-02-08 09:31:49,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:49,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235028465] [2025-02-08 09:31:49,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:49,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:49,558 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:31:49,565 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:31:49,565 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:49,565 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:49,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1318911459] [2025-02-08 09:31:49,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:49,565 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:49,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:49,567 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:49,569 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-08 09:31:49,587 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 43 statements into 1 equivalence classes. [2025-02-08 09:31:49,599 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 43 of 43 statements. [2025-02-08 09:31:49,600 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:49,600 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:49,600 INFO L256 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-02-08 09:31:49,601 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:49,734 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:49,734 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:49,842 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-02-08 09:31:49,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235028465] [2025-02-08 09:31:49,842 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:49,842 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1318911459] [2025-02-08 09:31:49,842 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1318911459] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:31:49,843 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-08 09:31:49,843 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 8 [2025-02-08 09:31:49,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203004828] [2025-02-08 09:31:49,844 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:49,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-08 09:31:49,844 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:49,845 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-08 09:31:49,845 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2025-02-08 09:31:49,845 INFO L87 Difference]: Start difference. First operand 115 states and 119 transitions. Second operand has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:31:50,181 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:50,181 INFO L93 Difference]: Finished difference Result 191 states and 215 transitions. [2025-02-08 09:31:50,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-08 09:31:50,182 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) Word has length 43 [2025-02-08 09:31:50,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:50,183 INFO L225 Difference]: With dead ends: 191 [2025-02-08 09:31:50,183 INFO L226 Difference]: Without dead ends: 176 [2025-02-08 09:31:50,183 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-02-08 09:31:50,183 INFO L435 NwaCegarLoop]: 51 mSDtfsCounter, 110 mSDsluCounter, 302 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 112 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 413 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:50,183 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [112 Valid, 353 Invalid, 413 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:31:50,184 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-08 09:31:50,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 158. [2025-02-08 09:31:50,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 123 states have (on average 1.4471544715447155) internal successors, (178), 149 states have internal predecessors, (178), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-02-08 09:31:50,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 190 transitions. [2025-02-08 09:31:50,190 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 190 transitions. Word has length 43 [2025-02-08 09:31:50,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:50,190 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 190 transitions. [2025-02-08 09:31:50,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.5) internal successors, (52), 9 states have internal predecessors, (52), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (7), 3 states have call predecessors, (7), 3 states have call successors, (7) [2025-02-08 09:31:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 190 transitions. [2025-02-08 09:31:50,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-08 09:31:50,190 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:50,191 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:50,202 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-02-08 09:31:50,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:50,391 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:50,392 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:50,392 INFO L85 PathProgramCache]: Analyzing trace with hash 1321966529, now seen corresponding path program 1 times [2025-02-08 09:31:50,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:50,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1900945742] [2025-02-08 09:31:50,392 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:50,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:50,395 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:31:50,400 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:31:50,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:50,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-08 09:31:50,401 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [912736095] [2025-02-08 09:31:50,401 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:50,401 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:50,401 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:50,403 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:50,404 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-08 09:31:50,425 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-08 09:31:50,434 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-08 09:31:50,435 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:50,435 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:50,435 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-08 09:31:50,438 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:50,460 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:50,460 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-08 09:31:50,460 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:50,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1900945742] [2025-02-08 09:31:50,461 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-08 09:31:50,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [912736095] [2025-02-08 09:31:50,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [912736095] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:50,461 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:50,461 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-08 09:31:50,461 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1815740592] [2025-02-08 09:31:50,461 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:50,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-08 09:31:50,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:50,462 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-08 09:31:50,462 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:50,462 INFO L87 Difference]: Start difference. First operand 158 states and 190 transitions. Second operand has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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) [2025-02-08 09:31:50,538 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:50,539 INFO L93 Difference]: Finished difference Result 272 states and 336 transitions. [2025-02-08 09:31:50,539 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-08 09:31:50,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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 45 [2025-02-08 09:31:50,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:50,541 INFO L225 Difference]: With dead ends: 272 [2025-02-08 09:31:50,541 INFO L226 Difference]: Without dead ends: 243 [2025-02-08 09:31:50,541 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-08 09:31:50,541 INFO L435 NwaCegarLoop]: 80 mSDtfsCounter, 44 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 136 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:50,542 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 136 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:50,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-02-08 09:31:50,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2025-02-08 09:31:50,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 198 states have (on average 1.393939393939394) internal successors, (276), 224 states have internal predecessors, (276), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:50,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 292 transitions. [2025-02-08 09:31:50,550 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 292 transitions. Word has length 45 [2025-02-08 09:31:50,550 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:50,550 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 292 transitions. [2025-02-08 09:31:50,550 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 14.0) internal successors, (28), 3 states have internal predecessors, (28), 1 states have call successors, (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) [2025-02-08 09:31:50,550 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 292 transitions. [2025-02-08 09:31:50,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:31:50,551 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:50,551 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:50,556 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-08 09:31:50,751 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:50,752 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:50,752 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:50,752 INFO L85 PathProgramCache]: Analyzing trace with hash -2086247435, now seen corresponding path program 1 times [2025-02-08 09:31:50,752 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:50,752 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1169983149] [2025-02-08 09:31:50,752 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:50,752 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:50,757 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:31:50,763 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:31:50,764 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:50,764 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:50,805 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:50,805 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:50,806 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1169983149] [2025-02-08 09:31:50,806 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1169983149] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:50,806 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:50,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:31:50,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62490533] [2025-02-08 09:31:50,806 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:50,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:31:50,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:50,806 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:31:50,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:50,807 INFO L87 Difference]: Start difference. First operand 235 states and 292 transitions. Second operand has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-02-08 09:31:50,900 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:50,900 INFO L93 Difference]: Finished difference Result 244 states and 293 transitions. [2025-02-08 09:31:50,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:31:50,901 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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 63 [2025-02-08 09:31:50,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:50,902 INFO L225 Difference]: With dead ends: 244 [2025-02-08 09:31:50,902 INFO L226 Difference]: Without dead ends: 243 [2025-02-08 09:31:50,902 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:50,902 INFO L435 NwaCegarLoop]: 81 mSDtfsCounter, 32 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:50,902 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 154 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:50,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-02-08 09:31:50,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 235. [2025-02-08 09:31:50,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 235 states, 198 states have (on average 1.3838383838383839) internal successors, (274), 224 states have internal predecessors, (274), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:50,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 290 transitions. [2025-02-08 09:31:50,910 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 290 transitions. Word has length 63 [2025-02-08 09:31:50,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:50,910 INFO L471 AbstractCegarLoop]: Abstraction has 235 states and 290 transitions. [2025-02-08 09:31:50,910 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.666666666666666) internal successors, (44), 4 states have internal predecessors, (44), 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) [2025-02-08 09:31:50,910 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 290 transitions. [2025-02-08 09:31:50,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2025-02-08 09:31:50,911 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:50,911 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:50,911 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-02-08 09:31:50,911 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:50,911 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:50,911 INFO L85 PathProgramCache]: Analyzing trace with hash -2086247396, now seen corresponding path program 1 times [2025-02-08 09:31:50,911 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:50,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [746566637] [2025-02-08 09:31:50,912 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:50,912 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:50,915 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 63 statements into 1 equivalence classes. [2025-02-08 09:31:50,919 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 63 of 63 statements. [2025-02-08 09:31:50,919 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:50,920 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:50,969 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:50,969 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:50,970 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [746566637] [2025-02-08 09:31:50,970 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [746566637] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:50,970 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:50,970 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:50,970 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1044599922] [2025-02-08 09:31:50,970 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:50,970 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:50,970 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:50,971 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:50,971 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:50,971 INFO L87 Difference]: Start difference. First operand 235 states and 290 transitions. Second operand has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (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) [2025-02-08 09:31:51,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:51,068 INFO L93 Difference]: Finished difference Result 235 states and 290 transitions. [2025-02-08 09:31:51,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:51,068 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (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 63 [2025-02-08 09:31:51,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:51,069 INFO L225 Difference]: With dead ends: 235 [2025-02-08 09:31:51,069 INFO L226 Difference]: Without dead ends: 234 [2025-02-08 09:31:51,069 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-08 09:31:51,070 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 101 mSDsluCounter, 106 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 174 SdHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:51,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 174 Invalid, 103 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:51,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 234 states. [2025-02-08 09:31:51,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 234 to 234. [2025-02-08 09:31:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 198 states have (on average 1.3636363636363635) internal successors, (270), 223 states have internal predecessors, (270), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:51,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 286 transitions. [2025-02-08 09:31:51,083 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 286 transitions. Word has length 63 [2025-02-08 09:31:51,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:51,083 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 286 transitions. [2025-02-08 09:31:51,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.0) internal successors, (44), 5 states have internal predecessors, (44), 2 states have call successors, (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) [2025-02-08 09:31:51,083 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 286 transitions. [2025-02-08 09:31:51,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:31:51,084 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:51,084 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:51,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-02-08 09:31:51,084 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:51,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:51,086 INFO L85 PathProgramCache]: Analyzing trace with hash -249161037, now seen corresponding path program 1 times [2025-02-08 09:31:51,086 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:51,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590593072] [2025-02-08 09:31:51,086 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:51,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:51,089 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:31:51,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:31:51,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:51,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:51,149 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:51,149 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:51,149 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590593072] [2025-02-08 09:31:51,149 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590593072] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:51,149 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:51,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:51,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [799589457] [2025-02-08 09:31:51,150 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:51,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:51,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:51,151 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:51,151 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:51,151 INFO L87 Difference]: Start difference. First operand 234 states and 286 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2025-02-08 09:31:51,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:51,310 INFO L93 Difference]: Finished difference Result 238 states and 287 transitions. [2025-02-08 09:31:51,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:51,311 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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 64 [2025-02-08 09:31:51,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:51,312 INFO L225 Difference]: With dead ends: 238 [2025-02-08 09:31:51,313 INFO L226 Difference]: Without dead ends: 237 [2025-02-08 09:31:51,313 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:51,313 INFO L435 NwaCegarLoop]: 71 mSDtfsCounter, 120 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 204 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:51,313 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 166 Invalid, 204 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:51,313 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2025-02-08 09:31:51,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 234. [2025-02-08 09:31:51,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 234 states, 198 states have (on average 1.3535353535353536) internal successors, (268), 223 states have internal predecessors, (268), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:51,321 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 234 states to 234 states and 284 transitions. [2025-02-08 09:31:51,321 INFO L78 Accepts]: Start accepts. Automaton has 234 states and 284 transitions. Word has length 64 [2025-02-08 09:31:51,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:51,321 INFO L471 AbstractCegarLoop]: Abstraction has 234 states and 284 transitions. [2025-02-08 09:31:51,321 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 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) [2025-02-08 09:31:51,321 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 284 transitions. [2025-02-08 09:31:51,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2025-02-08 09:31:51,321 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:51,322 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:51,322 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-08 09:31:51,322 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:51,322 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:51,322 INFO L85 PathProgramCache]: Analyzing trace with hash -249159820, now seen corresponding path program 1 times [2025-02-08 09:31:51,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:51,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2019922530] [2025-02-08 09:31:51,322 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:51,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:51,325 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 64 statements into 1 equivalence classes. [2025-02-08 09:31:51,328 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 64 of 64 statements. [2025-02-08 09:31:51,328 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:51,329 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:51,355 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:51,355 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:51,356 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2019922530] [2025-02-08 09:31:51,356 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2019922530] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:51,356 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:51,356 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-08 09:31:51,356 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1942454719] [2025-02-08 09:31:51,356 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:51,356 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-08 09:31:51,356 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:51,356 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-08 09:31:51,357 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-08 09:31:51,357 INFO L87 Difference]: Start difference. First operand 234 states and 284 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2025-02-08 09:31:51,445 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:51,445 INFO L93 Difference]: Finished difference Result 245 states and 295 transitions. [2025-02-08 09:31:51,446 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-08 09:31:51,446 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 64 [2025-02-08 09:31:51,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:51,447 INFO L225 Difference]: With dead ends: 245 [2025-02-08 09:31:51,447 INFO L226 Difference]: Without dead ends: 244 [2025-02-08 09:31:51,447 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:51,447 INFO L435 NwaCegarLoop]: 77 mSDtfsCounter, 50 mSDsluCounter, 88 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:51,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 165 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:51,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-02-08 09:31:51,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 233. [2025-02-08 09:31:51,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 233 states, 198 states have (on average 1.3333333333333333) internal successors, (264), 222 states have internal predecessors, (264), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:51,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 233 states and 280 transitions. [2025-02-08 09:31:51,455 INFO L78 Accepts]: Start accepts. Automaton has 233 states and 280 transitions. Word has length 64 [2025-02-08 09:31:51,455 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:51,455 INFO L471 AbstractCegarLoop]: Abstraction has 233 states and 280 transitions. [2025-02-08 09:31:51,455 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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) [2025-02-08 09:31:51,455 INFO L276 IsEmpty]: Start isEmpty. Operand 233 states and 280 transitions. [2025-02-08 09:31:51,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:31:51,456 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:51,456 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:51,456 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2025-02-08 09:31:51,456 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:51,456 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:51,456 INFO L85 PathProgramCache]: Analyzing trace with hash 1717983759, now seen corresponding path program 1 times [2025-02-08 09:31:51,456 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:51,456 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1212433031] [2025-02-08 09:31:51,456 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:51,456 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:51,460 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:31:51,463 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:31:51,463 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:51,463 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:51,545 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:51,546 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:51,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1212433031] [2025-02-08 09:31:51,546 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1212433031] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:51,546 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [371803463] [2025-02-08 09:31:51,547 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:51,547 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:51,547 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:51,548 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:51,550 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-08 09:31:51,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:31:51,579 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:31:51,580 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:51,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:51,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:31:51,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:31:51,709 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:51,709 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:31:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:51,805 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [371803463] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:31:51,806 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:31:51,806 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5, 5] total 13 [2025-02-08 09:31:51,806 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1902527642] [2025-02-08 09:31:51,806 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:31:51,806 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:31:51,806 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:51,807 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:31:51,807 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=129, Unknown=0, NotChecked=0, Total=182 [2025-02-08 09:31:51,807 INFO L87 Difference]: Start difference. First operand 233 states and 280 transitions. Second operand has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:31:52,228 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:52,229 INFO L93 Difference]: Finished difference Result 302 states and 371 transitions. [2025-02-08 09:31:52,229 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-08 09:31:52,229 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) Word has length 68 [2025-02-08 09:31:52,229 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:52,230 INFO L225 Difference]: With dead ends: 302 [2025-02-08 09:31:52,230 INFO L226 Difference]: Without dead ends: 300 [2025-02-08 09:31:52,231 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 104 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=171, Invalid=335, Unknown=0, NotChecked=0, Total=506 [2025-02-08 09:31:52,231 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 511 mSDsluCounter, 236 mSDsCounter, 0 mSdLazyCounter, 542 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 511 SdHoareTripleChecker+Valid, 285 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:52,231 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [511 Valid, 285 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 542 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-08 09:31:52,232 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2025-02-08 09:31:52,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 243. [2025-02-08 09:31:52,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 208 states have (on average 1.3221153846153846) internal successors, (275), 232 states have internal predecessors, (275), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:52,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 291 transitions. [2025-02-08 09:31:52,239 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 291 transitions. Word has length 68 [2025-02-08 09:31:52,240 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:52,240 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 291 transitions. [2025-02-08 09:31:52,240 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 9.538461538461538) internal successors, (124), 14 states have internal predecessors, (124), 5 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 5 states have call predecessors, (11), 5 states have call successors, (11) [2025-02-08 09:31:52,240 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 291 transitions. [2025-02-08 09:31:52,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-08 09:31:52,240 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:52,240 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:52,247 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-08 09:31:52,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16,10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:52,441 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:52,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:52,441 INFO L85 PathProgramCache]: Analyzing trace with hash -1452812464, now seen corresponding path program 1 times [2025-02-08 09:31:52,441 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:52,441 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777526306] [2025-02-08 09:31:52,441 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:52,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:52,444 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-08 09:31:52,453 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-08 09:31:52,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:52,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:52,487 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:52,488 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:52,488 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777526306] [2025-02-08 09:31:52,488 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777526306] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-08 09:31:52,488 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-08 09:31:52,488 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-08 09:31:52,488 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [89304953] [2025-02-08 09:31:52,488 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-08 09:31:52,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-08 09:31:52,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:31:52,489 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-08 09:31:52,489 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2025-02-08 09:31:52,489 INFO L87 Difference]: Start difference. First operand 243 states and 291 transitions. Second operand has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2025-02-08 09:31:52,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-08 09:31:52,571 INFO L93 Difference]: Finished difference Result 245 states and 295 transitions. [2025-02-08 09:31:52,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-08 09:31:52,572 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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 68 [2025-02-08 09:31:52,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-08 09:31:52,573 INFO L225 Difference]: With dead ends: 245 [2025-02-08 09:31:52,573 INFO L226 Difference]: Without dead ends: 244 [2025-02-08 09:31:52,573 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-02-08 09:31:52,573 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 89 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 60 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 89 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-08 09:31:52,573 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [60 Valid, 169 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 89 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-08 09:31:52,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2025-02-08 09:31:52,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 240. [2025-02-08 09:31:52,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 206 states have (on average 1.3058252427184467) internal successors, (269), 229 states have internal predecessors, (269), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-02-08 09:31:52,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 285 transitions. [2025-02-08 09:31:52,584 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 285 transitions. Word has length 68 [2025-02-08 09:31:52,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-08 09:31:52,584 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 285 transitions. [2025-02-08 09:31:52,584 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.25) internal successors, (49), 5 states have internal predecessors, (49), 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) [2025-02-08 09:31:52,584 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 285 transitions. [2025-02-08 09:31:52,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2025-02-08 09:31:52,584 INFO L210 NwaCegarLoop]: Found error trace [2025-02-08 09:31:52,584 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-08 09:31:52,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2025-02-08 09:31:52,585 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 53 more)] === [2025-02-08 09:31:52,585 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-08 09:31:52,586 INFO L85 PathProgramCache]: Analyzing trace with hash 1717889034, now seen corresponding path program 1 times [2025-02-08 09:31:52,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-08 09:31:52,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [49742719] [2025-02-08 09:31:52,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:52,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-08 09:31:52,589 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:31:52,593 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:31:52,594 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:52,594 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:52,656 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:31:52,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-08 09:31:52,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [49742719] [2025-02-08 09:31:52,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [49742719] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-08 09:31:52,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1653311858] [2025-02-08 09:31:52,657 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-08 09:31:52,657 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-08 09:31:52,657 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-08 09:31:52,659 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-08 09:31:52,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-08 09:31:52,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 69 statements into 1 equivalence classes. [2025-02-08 09:31:52,691 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 69 of 69 statements. [2025-02-08 09:31:52,692 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-08 09:31:52,692 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-08 09:31:52,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-08 09:31:52,694 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-08 09:32:07,642 WARN L873 $PredicateComparison]: unable to prove that (exists ((|v_ULTIMATE.start_main_~R~0#1_45| Int)) (let ((.cse0 (* |v_ULTIMATE.start_main_~R~0#1_45| |v_ULTIMATE.start_main_~R~0#1_45|))) (and (<= .cse0 9223372036854775807) (<= (+ |c_ULTIMATE.start_main_~r~0#1| |c_ULTIMATE.start_main_~A~0#1| 1) .cse0)))) is different from true [2025-02-08 09:32:07,661 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 3 not checked. [2025-02-08 09:32:07,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-08 09:32:07,748 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-08 09:32:07,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1653311858] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-08 09:32:07,748 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-08 09:32:07,748 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2025-02-08 09:32:07,748 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192044593] [2025-02-08 09:32:07,748 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-08 09:32:07,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-08 09:32:07,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-08 09:32:07,749 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-08 09:32:07,749 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=106, Unknown=6, NotChecked=22, Total=182 [2025-02-08 09:32:07,749 INFO L87 Difference]: Start difference. First operand 240 states and 285 transitions. Second operand has 14 states, 13 states have (on average 8.923076923076923) internal successors, (116), 14 states have internal predecessors, (116), 4 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 4 states have call predecessors, (7), 4 states have call successors, (7) [2025-02-08 09:32:24,909 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:28,917 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:32,923 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:36,928 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:40,933 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:45,830 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:49,836 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:58,042 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:32:59,183 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.13s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:03,199 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:04,217 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:08,224 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:09,234 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:13,273 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.03s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:17,292 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:21,294 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:25,301 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:26,755 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.45s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0] [2025-02-08 09:33:30,765 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.01s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [0]