./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c00e63dc Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.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 efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 --- Real Ultimate output --- This is Ultimate 0.3.0-?-c00e63d-m [2025-02-06 14:11:22,204 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-02-06 14:11:22,253 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-02-06 14:11:22,257 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-02-06 14:11:22,257 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-02-06 14:11:22,277 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-02-06 14:11:22,278 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-02-06 14:11:22,278 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Use memory slicer=true [2025-02-06 14:11:22,278 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-02-06 14:11:22,278 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Use SBE=true [2025-02-06 14:11:22,278 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * sizeof long=4 [2025-02-06 14:11:22,278 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * sizeof long double=12 [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Use constant arrays=true [2025-02-06 14:11:22,279 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:11:22,279 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-02-06 14:11:22,279 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-02-06 14:11:22,280 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-02-06 14:11:22,280 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-02-06 14:11:22,280 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-02-06 14:11:22,280 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 -> efc4103a673d30f5c3fd98741c7d56d84f1ec5a0e9e3b77a4d9f9d9493ec5192 [2025-02-06 14:11:22,528 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-02-06 14:11:22,535 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-02-06 14:11:22,538 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-02-06 14:11:22,539 INFO L270 PluginConnector]: Initializing CDTParser... [2025-02-06 14:11:22,539 INFO L274 PluginConnector]: CDTParser initialized [2025-02-06 14:11:22,540 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2025-02-06 14:11:23,754 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df6f4a3d9/d5b0708137b4480f81a2b62eb17eca3c/FLAG9ea1b109a [2025-02-06 14:11:23,960 INFO L384 CDTParser]: Found 1 translation units. [2025-02-06 14:11:23,960 INFO L180 CDTParser]: Scanning /storage/repos/ultimate-jdk21/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/hard-ll_unwindbound100.c [2025-02-06 14:11:23,971 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df6f4a3d9/d5b0708137b4480f81a2b62eb17eca3c/FLAG9ea1b109a [2025-02-06 14:11:24,017 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/data/df6f4a3d9/d5b0708137b4480f81a2b62eb17eca3c [2025-02-06 14:11:24,020 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-02-06 14:11:24,022 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-02-06 14:11:24,023 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-02-06 14:11:24,024 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-02-06 14:11:24,028 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-02-06 14:11:24,028 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,029 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@77fcc88d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24, skipping insertion in model container [2025-02-06 14:11:24,030 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,040 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-02-06 14:11:24,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:11:24,161 INFO L200 MainTranslator]: Completed pre-run [2025-02-06 14:11:24,177 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-02-06 14:11:24,187 INFO L204 MainTranslator]: Completed translation [2025-02-06 14:11:24,188 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24 WrapperNode [2025-02-06 14:11:24,188 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-02-06 14:11:24,189 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-02-06 14:11:24,189 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-02-06 14:11:24,189 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-02-06 14:11:24,194 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,221 INFO L138 Inliner]: procedures = 14, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 98 [2025-02-06 14:11:24,225 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-02-06 14:11:24,225 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-02-06 14:11:24,225 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-02-06 14:11:24,225 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-02-06 14:11:24,232 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,233 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,247 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2025-02-06 14:11:24,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,247 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,254 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,255 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,255 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,256 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-02-06 14:11:24,261 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-02-06 14:11:24,261 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-02-06 14:11:24,261 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-02-06 14:11:24,262 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (1/1) ... [2025-02-06 14:11:24,265 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-02-06 14:11:24,279 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:24,293 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-02-06 14:11:24,296 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-02-06 14:11:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-02-06 14:11:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-02-06 14:11:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-02-06 14:11:24,313 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-02-06 14:11:24,313 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-02-06 14:11:24,314 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-02-06 14:11:24,357 INFO L257 CfgBuilder]: Building ICFG [2025-02-06 14:11:24,358 INFO L287 CfgBuilder]: Building CFG for each procedure with an implementation [2025-02-06 14:11:24,572 INFO L? ?]: Removed 55 outVars from TransFormulas that were not future-live. [2025-02-06 14:11:24,573 INFO L308 CfgBuilder]: Performing block encoding [2025-02-06 14:11:24,583 INFO L332 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-02-06 14:11:24,583 INFO L337 CfgBuilder]: Removed 0 assume(true) statements. [2025-02-06 14:11:24,584 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:24 BoogieIcfgContainer [2025-02-06 14:11:24,584 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-02-06 14:11:24,585 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-02-06 14:11:24,585 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-02-06 14:11:24,589 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-02-06 14:11:24,589 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 06.02 02:11:24" (1/3) ... [2025-02-06 14:11:24,591 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fe3d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:24, skipping insertion in model container [2025-02-06 14:11:24,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 06.02 02:11:24" (2/3) ... [2025-02-06 14:11:24,592 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@40fe3d80 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 06.02 02:11:24, skipping insertion in model container [2025-02-06 14:11:24,592 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 06.02 02:11:24" (3/3) ... [2025-02-06 14:11:24,593 INFO L128 eAbstractionObserver]: Analyzing ICFG hard-ll_unwindbound100.c [2025-02-06 14:11:24,603 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-02-06 14:11:24,604 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG hard-ll_unwindbound100.c that has 2 procedures, 84 locations, 1 initial locations, 2 loop locations, and 28 error locations. [2025-02-06 14:11:24,645 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-02-06 14:11:24,656 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;@1d68072c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-02-06 14:11:24,656 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2025-02-06 14:11:24,660 INFO L276 IsEmpty]: Start isEmpty. Operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) [2025-02-06 14:11:24,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 14:11:24,663 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:24,664 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 14:11:24,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:24,669 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:24,669 INFO L85 PathProgramCache]: Analyzing trace with hash -923470242, now seen corresponding path program 1 times [2025-02-06 14:11:24,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:24,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1807951650] [2025-02-06 14:11:24,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:24,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:24,720 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 14:11:24,729 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 14:11:24,729 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:24,729 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:24,759 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:11:24,760 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:24,760 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1807951650] [2025-02-06 14:11:24,761 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1807951650] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:24,761 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:24,761 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:24,762 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447858212] [2025-02-06 14:11:24,763 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:24,765 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-02-06 14:11:24,765 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:24,778 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-02-06 14:11:24,778 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:11:24,780 INFO L87 Difference]: Start difference. First operand has 84 states, 47 states have (on average 1.7872340425531914) internal successors, (84), 75 states have internal predecessors, (84), 7 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 7 states have call predecessors, (7), 7 states have call successors, (7) Second operand has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:24,799 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:24,799 INFO L93 Difference]: Finished difference Result 164 states and 198 transitions. [2025-02-06 14:11:24,800 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-02-06 14:11:24,801 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 14:11:24,801 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:24,805 INFO L225 Difference]: With dead ends: 164 [2025-02-06 14:11:24,805 INFO L226 Difference]: Without dead ends: 76 [2025-02-06 14:11:24,811 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-02-06 14:11:24,813 INFO L435 NwaCegarLoop]: 93 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, 93 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:24,813 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:24,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2025-02-06 14:11:24,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 76. [2025-02-06 14:11:24,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 42 states have (on average 1.7619047619047619) internal successors, (74), 69 states have internal predecessors, (74), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2025-02-06 14:11:24,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 84 transitions. [2025-02-06 14:11:24,842 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 84 transitions. Word has length 6 [2025-02-06 14:11:24,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:24,843 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 84 transitions. [2025-02-06 14:11:24,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 3.0) internal successors, (6), 2 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:24,843 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 84 transitions. [2025-02-06 14:11:24,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-02-06 14:11:24,843 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:24,843 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-02-06 14:11:24,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-02-06 14:11:24,847 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:24,847 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:24,847 INFO L85 PathProgramCache]: Analyzing trace with hash -923440451, now seen corresponding path program 1 times [2025-02-06 14:11:24,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:24,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979514020] [2025-02-06 14:11:24,847 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:24,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:24,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-02-06 14:11:24,863 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-02-06 14:11:24,863 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:24,863 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:24,920 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:11:24,921 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:24,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979514020] [2025-02-06 14:11:24,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979514020] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:24,921 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:24,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:24,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608514631] [2025-02-06 14:11:24,921 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:24,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:24,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:24,922 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:24,922 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:24,923 INFO L87 Difference]: Start difference. First operand 76 states and 84 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:24,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:24,969 INFO L93 Difference]: Finished difference Result 85 states and 92 transitions. [2025-02-06 14:11:24,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:24,970 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 6 [2025-02-06 14:11:24,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:24,970 INFO L225 Difference]: With dead ends: 85 [2025-02-06 14:11:24,971 INFO L226 Difference]: Without dead ends: 84 [2025-02-06 14:11:24,971 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:24,971 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 34 mSDsluCounter, 126 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:24,971 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 202 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:24,972 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 84 states. [2025-02-06 14:11:24,977 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 84 to 79. [2025-02-06 14:11:24,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 79 states, 45 states have (on average 1.6888888888888889) internal successors, (76), 71 states have internal predecessors, (76), 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) [2025-02-06 14:11:24,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 86 transitions. [2025-02-06 14:11:24,980 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 86 transitions. Word has length 6 [2025-02-06 14:11:24,980 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:24,980 INFO L471 AbstractCegarLoop]: Abstraction has 79 states and 86 transitions. [2025-02-06 14:11:24,980 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:24,980 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 86 transitions. [2025-02-06 14:11:24,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2025-02-06 14:11:24,981 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:24,981 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:24,981 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-02-06 14:11:24,981 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:24,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:24,982 INFO L85 PathProgramCache]: Analyzing trace with hash 1438117135, now seen corresponding path program 1 times [2025-02-06 14:11:24,982 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:24,982 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [916152589] [2025-02-06 14:11:24,982 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:24,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:24,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 7 statements into 1 equivalence classes. [2025-02-06 14:11:24,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 7 of 7 statements. [2025-02-06 14:11:24,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:24,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,039 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-02-06 14:11:25,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:25,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [916152589] [2025-02-06 14:11:25,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [916152589] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:25,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:25,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:25,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [983886022] [2025-02-06 14:11:25,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:25,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:25,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:25,040 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:25,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:25,041 INFO L87 Difference]: Start difference. First operand 79 states and 86 transitions. Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:25,082 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:25,082 INFO L93 Difference]: Finished difference Result 134 states and 145 transitions. [2025-02-06 14:11:25,086 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:25,086 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2025-02-06 14:11:25,087 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:25,089 INFO L225 Difference]: With dead ends: 134 [2025-02-06 14:11:25,090 INFO L226 Difference]: Without dead ends: 83 [2025-02-06 14:11:25,090 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:25,091 INFO L435 NwaCegarLoop]: 79 mSDtfsCounter, 3 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 229 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:25,091 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 229 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:25,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 83 states. [2025-02-06 14:11:25,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 83 to 83. [2025-02-06 14:11:25,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 83 states, 49 states have (on average 1.6326530612244898) internal successors, (80), 75 states have internal predecessors, (80), 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) [2025-02-06 14:11:25,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 83 states and 90 transitions. [2025-02-06 14:11:25,100 INFO L78 Accepts]: Start accepts. Automaton has 83 states and 90 transitions. Word has length 7 [2025-02-06 14:11:25,100 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:25,100 INFO L471 AbstractCegarLoop]: Abstraction has 83 states and 90 transitions. [2025-02-06 14:11:25,100 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2025-02-06 14:11:25,101 INFO L276 IsEmpty]: Start isEmpty. Operand 83 states and 90 transitions. [2025-02-06 14:11:25,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2025-02-06 14:11:25,101 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:25,101 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:25,102 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-02-06 14:11:25,102 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:25,102 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:25,103 INFO L85 PathProgramCache]: Analyzing trace with hash 981987439, now seen corresponding path program 1 times [2025-02-06 14:11:25,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:25,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1050758171] [2025-02-06 14:11:25,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:25,108 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:11:25,119 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:11:25,119 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,119 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:25,120 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1530581708] [2025-02-06 14:11:25,120 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,120 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:25,121 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:25,123 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:25,125 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-02-06 14:11:25,150 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 19 statements into 1 equivalence classes. [2025-02-06 14:11:25,159 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 19 of 19 statements. [2025-02-06 14:11:25,159 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,159 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,161 INFO L256 TraceCheckSpWp]: Trace formula consists of 62 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:25,165 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:25,197 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-02-06 14:11:25,198 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:25,198 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1050758171] [2025-02-06 14:11:25,198 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:25,198 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1530581708] [2025-02-06 14:11:25,198 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1530581708] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:25,198 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:25,199 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:25,199 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1334426227] [2025-02-06 14:11:25,199 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:25,199 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:25,199 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:25,199 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:25,200 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:25,200 INFO L87 Difference]: Start difference. First operand 83 states and 90 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:11:25,258 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:25,259 INFO L93 Difference]: Finished difference Result 176 states and 195 transitions. [2025-02-06 14:11:25,259 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:25,259 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2025-02-06 14:11:25,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:25,260 INFO L225 Difference]: With dead ends: 176 [2025-02-06 14:11:25,260 INFO L226 Difference]: Without dead ends: 122 [2025-02-06 14:11:25,261 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:25,261 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 33 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 135 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:25,261 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 135 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:25,262 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 122 states. [2025-02-06 14:11:25,269 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 122 to 106. [2025-02-06 14:11:25,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 106 states, 67 states have (on average 1.6119402985074627) internal successors, (108), 93 states have internal predecessors, (108), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:25,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 106 states and 128 transitions. [2025-02-06 14:11:25,273 INFO L78 Accepts]: Start accepts. Automaton has 106 states and 128 transitions. Word has length 19 [2025-02-06 14:11:25,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:25,273 INFO L471 AbstractCegarLoop]: Abstraction has 106 states and 128 transitions. [2025-02-06 14:11:25,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2025-02-06 14:11:25,273 INFO L276 IsEmpty]: Start isEmpty. Operand 106 states and 128 transitions. [2025-02-06 14:11:25,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2025-02-06 14:11:25,274 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:25,274 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:25,280 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:25,474 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:25,474 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr23ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:25,475 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:25,475 INFO L85 PathProgramCache]: Analyzing trace with hash -1314812425, now seen corresponding path program 1 times [2025-02-06 14:11:25,475 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:25,475 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1923964106] [2025-02-06 14:11:25,475 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,475 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:25,481 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 27 statements into 1 equivalence classes. [2025-02-06 14:11:25,494 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 27 of 27 statements. [2025-02-06 14:11:25,494 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,494 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,569 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:25,570 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:25,570 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1923964106] [2025-02-06 14:11:25,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1923964106] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:25,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:25,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:25,570 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938008818] [2025-02-06 14:11:25,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:25,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:25,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:25,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:25,570 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:25,571 INFO L87 Difference]: Start difference. First operand 106 states and 128 transitions. Second operand has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:25,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:25,614 INFO L93 Difference]: Finished difference Result 106 states and 128 transitions. [2025-02-06 14:11:25,615 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:25,615 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2025-02-06 14:11:25,616 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:25,616 INFO L225 Difference]: With dead ends: 106 [2025-02-06 14:11:25,617 INFO L226 Difference]: Without dead ends: 104 [2025-02-06 14:11:25,617 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 [2025-02-06 14:11:25,618 INFO L435 NwaCegarLoop]: 60 mSDtfsCounter, 47 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 70 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:25,618 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 70 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:25,620 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 104 states. [2025-02-06 14:11:25,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 104 to 104. [2025-02-06 14:11:25,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5671641791044777) internal successors, (105), 91 states have internal predecessors, (105), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:25,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 125 transitions. [2025-02-06 14:11:25,630 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 125 transitions. Word has length 27 [2025-02-06 14:11:25,630 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:25,630 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 125 transitions. [2025-02-06 14:11:25,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.5) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:25,631 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 125 transitions. [2025-02-06 14:11:25,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 14:11:25,631 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:25,631 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:25,631 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-02-06 14:11:25,631 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:25,632 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:25,632 INFO L85 PathProgramCache]: Analyzing trace with hash -2104479482, now seen corresponding path program 1 times [2025-02-06 14:11:25,632 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:25,632 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [138623959] [2025-02-06 14:11:25,632 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,632 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:25,638 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 14:11:25,642 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 14:11:25,643 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,643 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,702 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:25,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:25,703 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [138623959] [2025-02-06 14:11:25,703 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [138623959] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:25,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:25,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:25,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1350208736] [2025-02-06 14:11:25,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:25,703 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:25,703 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:25,703 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:25,703 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:25,704 INFO L87 Difference]: Start difference. First operand 104 states and 125 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:25,745 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:25,745 INFO L93 Difference]: Finished difference Result 115 states and 132 transitions. [2025-02-06 14:11:25,745 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:25,746 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-02-06 14:11:25,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:25,747 INFO L225 Difference]: With dead ends: 115 [2025-02-06 14:11:25,747 INFO L226 Difference]: Without dead ends: 114 [2025-02-06 14:11:25,747 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 [2025-02-06 14:11:25,748 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 128 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:25,748 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 128 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:25,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 114 states. [2025-02-06 14:11:25,755 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 114 to 104. [2025-02-06 14:11:25,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 67 states have (on average 1.5522388059701493) internal successors, (104), 91 states have internal predecessors, (104), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:25,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2025-02-06 14:11:25,755 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 28 [2025-02-06 14:11:25,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:25,756 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2025-02-06 14:11:25,756 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:25,756 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2025-02-06 14:11:25,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-02-06 14:11:25,758 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:25,758 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:25,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-02-06 14:11:25,759 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:25,759 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:25,759 INFO L85 PathProgramCache]: Analyzing trace with hash -2104480699, now seen corresponding path program 1 times [2025-02-06 14:11:25,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:25,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1433004849] [2025-02-06 14:11:25,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,760 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:25,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-02-06 14:11:25,769 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-02-06 14:11:25,769 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,769 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,852 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:25,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:25,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1433004849] [2025-02-06 14:11:25,852 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1433004849] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:25,852 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:25,852 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:11:25,852 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1599854419] [2025-02-06 14:11:25,852 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:25,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:25,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:25,853 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:25,853 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:25,853 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:25,916 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:25,917 INFO L93 Difference]: Finished difference Result 104 states and 124 transitions. [2025-02-06 14:11:25,918 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-02-06 14:11:25,918 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 28 [2025-02-06 14:11:25,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:25,919 INFO L225 Difference]: With dead ends: 104 [2025-02-06 14:11:25,919 INFO L226 Difference]: Without dead ends: 103 [2025-02-06 14:11:25,920 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=47, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:25,920 INFO L435 NwaCegarLoop]: 68 mSDtfsCounter, 130 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:25,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 205 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:25,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2025-02-06 14:11:25,925 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 103. [2025-02-06 14:11:25,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 103 states, 67 states have (on average 1.5223880597014925) internal successors, (102), 90 states have internal predecessors, (102), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:25,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 103 states and 122 transitions. [2025-02-06 14:11:25,926 INFO L78 Accepts]: Start accepts. Automaton has 103 states and 122 transitions. Word has length 28 [2025-02-06 14:11:25,927 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:25,927 INFO L471 AbstractCegarLoop]: Abstraction has 103 states and 122 transitions. [2025-02-06 14:11:25,927 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.2) internal successors, (16), 6 states have internal predecessors, (16), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:25,927 INFO L276 IsEmpty]: Start isEmpty. Operand 103 states and 122 transitions. [2025-02-06 14:11:25,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2025-02-06 14:11:25,927 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:25,927 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:25,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-02-06 14:11:25,928 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:25,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:25,928 INFO L85 PathProgramCache]: Analyzing trace with hash -814392210, now seen corresponding path program 1 times [2025-02-06 14:11:25,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:25,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1584697319] [2025-02-06 14:11:25,928 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:25,928 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:25,933 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 29 statements into 1 equivalence classes. [2025-02-06 14:11:25,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 29 of 29 statements. [2025-02-06 14:11:25,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:25,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:25,995 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:25,995 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:25,995 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1584697319] [2025-02-06 14:11:25,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1584697319] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:25,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:25,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:11:25,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305581830] [2025-02-06 14:11:25,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:25,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:25,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:25,996 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:25,996 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:25,996 INFO L87 Difference]: Start difference. First operand 103 states and 122 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:26,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:26,049 INFO L93 Difference]: Finished difference Result 120 states and 136 transitions. [2025-02-06 14:11:26,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:11:26,050 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 29 [2025-02-06 14:11:26,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:26,051 INFO L225 Difference]: With dead ends: 120 [2025-02-06 14:11:26,051 INFO L226 Difference]: Without dead ends: 111 [2025-02-06 14:11:26,051 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:26,051 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 22 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 294 SdHoareTripleChecker+Invalid, 47 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:26,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 294 Invalid, 47 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:26,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2025-02-06 14:11:26,056 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 107. [2025-02-06 14:11:26,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 107 states, 70 states have (on average 1.4714285714285715) internal successors, (103), 93 states have internal predecessors, (103), 10 states have call successors, (10), 3 states have call predecessors, (10), 3 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-02-06 14:11:26,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 107 states to 107 states and 123 transitions. [2025-02-06 14:11:26,057 INFO L78 Accepts]: Start accepts. Automaton has 107 states and 123 transitions. Word has length 29 [2025-02-06 14:11:26,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:26,057 INFO L471 AbstractCegarLoop]: Abstraction has 107 states and 123 transitions. [2025-02-06 14:11:26,057 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:26,057 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 123 transitions. [2025-02-06 14:11:26,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2025-02-06 14:11:26,057 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:26,057 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:26,058 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-02-06 14:11:26,058 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:26,058 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:26,058 INFO L85 PathProgramCache]: Analyzing trace with hash -946865396, now seen corresponding path program 1 times [2025-02-06 14:11:26,058 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:26,058 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1624379884] [2025-02-06 14:11:26,058 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,058 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:26,064 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 14:11:26,074 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 14:11:26,075 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,076 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:26,076 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1764677203] [2025-02-06 14:11:26,077 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,077 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:26,077 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:26,079 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:26,080 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-02-06 14:11:26,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 31 statements into 1 equivalence classes. [2025-02-06 14:11:26,115 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 31 of 31 statements. [2025-02-06 14:11:26,115 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,115 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:26,116 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:26,117 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:26,145 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:26,145 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:26,145 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:26,145 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1624379884] [2025-02-06 14:11:26,146 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:26,146 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1764677203] [2025-02-06 14:11:26,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1764677203] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:26,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:26,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:26,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1404420636] [2025-02-06 14:11:26,146 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:26,146 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:26,146 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:26,147 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:26,147 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:26,147 INFO L87 Difference]: Start difference. First operand 107 states and 123 transitions. Second operand has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:26,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:26,188 INFO L93 Difference]: Finished difference Result 145 states and 171 transitions. [2025-02-06 14:11:26,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:26,188 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2025-02-06 14:11:26,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:26,189 INFO L225 Difference]: With dead ends: 145 [2025-02-06 14:11:26,189 INFO L226 Difference]: Without dead ends: 141 [2025-02-06 14:11:26,189 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:26,189 INFO L435 NwaCegarLoop]: 65 mSDtfsCounter, 41 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:26,190 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 102 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:26,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-02-06 14:11:26,194 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 127. [2025-02-06 14:11:26,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 127 states, 88 states have (on average 1.4772727272727273) internal successors, (130), 111 states have internal predecessors, (130), 12 states have call successors, (12), 3 states have call predecessors, (12), 3 states have return successors, (12), 12 states have call predecessors, (12), 12 states have call successors, (12) [2025-02-06 14:11:26,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 127 states and 154 transitions. [2025-02-06 14:11:26,197 INFO L78 Accepts]: Start accepts. Automaton has 127 states and 154 transitions. Word has length 31 [2025-02-06 14:11:26,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:26,197 INFO L471 AbstractCegarLoop]: Abstraction has 127 states and 154 transitions. [2025-02-06 14:11:26,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 9.5) internal successors, (19), 3 states have internal predecessors, (19), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:26,198 INFO L276 IsEmpty]: Start isEmpty. Operand 127 states and 154 transitions. [2025-02-06 14:11:26,199 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:11:26,199 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:26,199 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:26,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2025-02-06 14:11:26,399 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,3 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:26,399 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr26ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:26,400 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:26,400 INFO L85 PathProgramCache]: Analyzing trace with hash 1085019274, now seen corresponding path program 1 times [2025-02-06 14:11:26,400 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:26,400 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [986910128] [2025-02-06 14:11:26,400 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,400 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:26,404 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:26,407 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:26,407 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,407 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:26,449 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:26,449 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:26,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [986910128] [2025-02-06 14:11:26,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [986910128] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:26,449 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1386567121] [2025-02-06 14:11:26,449 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:26,449 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:26,452 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:26,452 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-02-06 14:11:26,474 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:26,482 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:26,482 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,483 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:26,483 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:26,484 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:26,547 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:26,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:26,619 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:26,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1386567121] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:26,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:26,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4, 5] total 9 [2025-02-06 14:11:26,620 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904427422] [2025-02-06 14:11:26,620 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:26,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-02-06 14:11:26,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:26,621 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-02-06 14:11:26,622 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:26,622 INFO L87 Difference]: Start difference. First operand 127 states and 154 transitions. Second operand has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 14:11:26,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:26,746 INFO L93 Difference]: Finished difference Result 253 states and 306 transitions. [2025-02-06 14:11:26,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:11:26,747 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) Word has length 33 [2025-02-06 14:11:26,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:26,748 INFO L225 Difference]: With dead ends: 253 [2025-02-06 14:11:26,748 INFO L226 Difference]: Without dead ends: 184 [2025-02-06 14:11:26,748 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 61 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=173, Unknown=0, NotChecked=0, Total=272 [2025-02-06 14:11:26,749 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 75 mSDsluCounter, 307 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 381 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:26,749 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 381 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:26,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 184 states. [2025-02-06 14:11:26,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 184 to 166. [2025-02-06 14:11:26,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 166 states, 119 states have (on average 1.4621848739495797) internal successors, (174), 142 states have internal predecessors, (174), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:11:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 166 states to 166 states and 210 transitions. [2025-02-06 14:11:26,760 INFO L78 Accepts]: Start accepts. Automaton has 166 states and 210 transitions. Word has length 33 [2025-02-06 14:11:26,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:26,760 INFO L471 AbstractCegarLoop]: Abstraction has 166 states and 210 transitions. [2025-02-06 14:11:26,760 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 4.666666666666667) internal successors, (42), 10 states have internal predecessors, (42), 2 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 2 states have call predecessors, (9), 2 states have call successors, (9) [2025-02-06 14:11:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 210 transitions. [2025-02-06 14:11:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-02-06 14:11:26,762 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:26,762 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:26,768 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-02-06 14:11:26,962 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,4 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:26,962 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:26,963 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:26,963 INFO L85 PathProgramCache]: Analyzing trace with hash 595421610, now seen corresponding path program 1 times [2025-02-06 14:11:26,963 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:26,963 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [578495458] [2025-02-06 14:11:26,963 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:26,963 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:26,967 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-02-06 14:11:26,971 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-02-06 14:11:26,972 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:26,972 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:27,020 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:27,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:27,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [578495458] [2025-02-06 14:11:27,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [578495458] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:27,020 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:27,020 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:27,020 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268188482] [2025-02-06 14:11:27,020 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:27,021 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:27,021 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:27,021 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:27,021 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:27,021 INFO L87 Difference]: Start difference. First operand 166 states and 210 transitions. Second operand has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:27,232 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:27,232 INFO L93 Difference]: Finished difference Result 190 states and 236 transitions. [2025-02-06 14:11:27,233 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:27,233 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 33 [2025-02-06 14:11:27,233 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:27,234 INFO L225 Difference]: With dead ends: 190 [2025-02-06 14:11:27,234 INFO L226 Difference]: Without dead ends: 189 [2025-02-06 14:11:27,234 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:27,235 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 104 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 113 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:27,235 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 113 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:27,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2025-02-06 14:11:27,251 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 173. [2025-02-06 14:11:27,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 126 states have (on average 1.4523809523809523) internal successors, (183), 149 states have internal predecessors, (183), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:11:27,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 219 transitions. [2025-02-06 14:11:27,253 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 219 transitions. Word has length 33 [2025-02-06 14:11:27,253 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:27,253 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 219 transitions. [2025-02-06 14:11:27,254 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.0) internal successors, (21), 4 states have internal predecessors, (21), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:27,254 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 219 transitions. [2025-02-06 14:11:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2025-02-06 14:11:27,255 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:27,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:27,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-02-06 14:11:27,256 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:27,256 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:27,256 INFO L85 PathProgramCache]: Analyzing trace with hash 1278200735, now seen corresponding path program 1 times [2025-02-06 14:11:27,256 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:27,257 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1971348403] [2025-02-06 14:11:27,257 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:27,257 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:27,261 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:11:27,271 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:11:27,271 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:27,271 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:27,271 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [144187058] [2025-02-06 14:11:27,271 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:27,271 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:27,271 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:27,274 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:27,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-02-06 14:11:27,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 34 statements into 1 equivalence classes. [2025-02-06 14:11:27,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 34 of 34 statements. [2025-02-06 14:11:27,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:27,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:27,308 INFO L256 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:27,308 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:27,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-02-06 14:11:27,410 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:27,410 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:27,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1971348403] [2025-02-06 14:11:27,410 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:27,410 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [144187058] [2025-02-06 14:11:27,410 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [144187058] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:27,410 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:27,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:27,411 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358112975] [2025-02-06 14:11:27,411 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:27,411 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:27,412 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:27,412 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:27,412 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:27,412 INFO L87 Difference]: Start difference. First operand 173 states and 219 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:27,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:27,532 INFO L93 Difference]: Finished difference Result 179 states and 224 transitions. [2025-02-06 14:11:27,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:27,533 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 34 [2025-02-06 14:11:27,534 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:27,535 INFO L225 Difference]: With dead ends: 179 [2025-02-06 14:11:27,535 INFO L226 Difference]: Without dead ends: 176 [2025-02-06 14:11:27,535 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:27,535 INFO L435 NwaCegarLoop]: 64 mSDtfsCounter, 24 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 139 SdHoareTripleChecker+Invalid, 105 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:27,535 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 139 Invalid, 105 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:27,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2025-02-06 14:11:27,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 176. [2025-02-06 14:11:27,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 176 states, 129 states have (on average 1.434108527131783) internal successors, (185), 152 states have internal predecessors, (185), 18 states have call successors, (18), 5 states have call predecessors, (18), 5 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2025-02-06 14:11:27,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 176 states to 176 states and 221 transitions. [2025-02-06 14:11:27,553 INFO L78 Accepts]: Start accepts. Automaton has 176 states and 221 transitions. Word has length 34 [2025-02-06 14:11:27,553 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:27,554 INFO L471 AbstractCegarLoop]: Abstraction has 176 states and 221 transitions. [2025-02-06 14:11:27,554 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, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-02-06 14:11:27,554 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 221 transitions. [2025-02-06 14:11:27,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-02-06 14:11:27,555 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:27,555 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:27,563 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:27,760 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,SelfDestructingSolverStorable11 [2025-02-06 14:11:27,760 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:27,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:27,760 INFO L85 PathProgramCache]: Analyzing trace with hash -429017238, now seen corresponding path program 1 times [2025-02-06 14:11:27,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:27,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189820883] [2025-02-06 14:11:27,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:27,761 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:27,764 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:11:27,770 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:11:27,770 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:27,770 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:27,770 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2038880569] [2025-02-06 14:11:27,770 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:27,770 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:27,771 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:27,772 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:27,774 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-02-06 14:11:27,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-02-06 14:11:27,803 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-02-06 14:11:27,803 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:27,803 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:27,804 INFO L256 TraceCheckSpWp]: Trace formula consists of 107 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:27,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:11:27,844 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:27,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:27,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189820883] [2025-02-06 14:11:27,845 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:27,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2038880569] [2025-02-06 14:11:27,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2038880569] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:27,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:27,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:27,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1130565597] [2025-02-06 14:11:27,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:27,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:27,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:27,846 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:27,846 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:27,846 INFO L87 Difference]: Start difference. First operand 176 states and 221 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2025-02-06 14:11:27,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:27,899 INFO L93 Difference]: Finished difference Result 213 states and 261 transitions. [2025-02-06 14:11:27,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:27,899 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 45 [2025-02-06 14:11:27,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:27,900 INFO L225 Difference]: With dead ends: 213 [2025-02-06 14:11:27,900 INFO L226 Difference]: Without dead ends: 203 [2025-02-06 14:11:27,901 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:27,901 INFO L435 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 144 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:27,901 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 144 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:27,902 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2025-02-06 14:11:27,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 185. [2025-02-06 14:11:27,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 140 states have (on average 1.3571428571428572) internal successors, (190), 159 states have internal predecessors, (190), 20 states have call successors, (20), 5 states have call predecessors, (20), 5 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-02-06 14:11:27,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 230 transitions. [2025-02-06 14:11:27,919 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 230 transitions. Word has length 45 [2025-02-06 14:11:27,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:27,920 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 230 transitions. [2025-02-06 14:11:27,920 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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) [2025-02-06 14:11:27,920 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 230 transitions. [2025-02-06 14:11:27,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-02-06 14:11:27,921 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:27,921 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:27,927 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-02-06 14:11:28,121 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-02-06 14:11:28,122 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:28,123 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:28,123 INFO L85 PathProgramCache]: Analyzing trace with hash -414632454, now seen corresponding path program 1 times [2025-02-06 14:11:28,123 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:28,123 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [781849557] [2025-02-06 14:11:28,123 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:28,123 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:28,126 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:11:28,131 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:11:28,131 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:28,131 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:28,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [401111700] [2025-02-06 14:11:28,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:28,132 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:28,132 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:28,133 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:28,135 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-02-06 14:11:28,156 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-02-06 14:11:28,166 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-02-06 14:11:28,166 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:28,166 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:28,166 INFO L256 TraceCheckSpWp]: Trace formula consists of 108 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:28,167 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:28,196 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:11:28,196 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:28,253 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:28,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [781849557] [2025-02-06 14:11:28,253 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:28,253 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [401111700] [2025-02-06 14:11:28,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [401111700] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:28,253 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:28,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2025-02-06 14:11:28,253 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970655855] [2025-02-06 14:11:28,253 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:28,253 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:28,253 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:28,253 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:28,254 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:28,254 INFO L87 Difference]: Start difference. First operand 185 states and 230 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-02-06 14:11:28,318 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:28,318 INFO L93 Difference]: Finished difference Result 281 states and 347 transitions. [2025-02-06 14:11:28,318 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:28,318 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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 46 [2025-02-06 14:11:28,319 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:28,321 INFO L225 Difference]: With dead ends: 281 [2025-02-06 14:11:28,321 INFO L226 Difference]: Without dead ends: 277 [2025-02-06 14:11:28,321 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:28,322 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 67 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 72 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:28,322 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [72 Valid, 186 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:28,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 277 states. [2025-02-06 14:11:28,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 277 to 245. [2025-02-06 14:11:28,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 194 states have (on average 1.3814432989690721) internal successors, (268), 213 states have internal predecessors, (268), 26 states have call successors, (26), 5 states have call predecessors, (26), 5 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-02-06 14:11:28,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 320 transitions. [2025-02-06 14:11:28,343 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 320 transitions. Word has length 46 [2025-02-06 14:11:28,343 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:28,343 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 320 transitions. [2025-02-06 14:11:28,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 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) [2025-02-06 14:11:28,344 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 320 transitions. [2025-02-06 14:11:28,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-02-06 14:11:28,344 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:28,344 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:28,350 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-02-06 14:11:28,544 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,SelfDestructingSolverStorable13 [2025-02-06 14:11:28,545 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:28,545 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:28,546 INFO L85 PathProgramCache]: Analyzing trace with hash 1222822311, now seen corresponding path program 1 times [2025-02-06 14:11:28,546 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:28,546 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2112766912] [2025-02-06 14:11:28,546 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:28,546 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:28,549 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-02-06 14:11:28,554 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-02-06 14:11:28,555 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:28,555 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:28,608 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-02-06 14:11:28,608 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:28,608 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2112766912] [2025-02-06 14:11:28,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2112766912] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:28,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:28,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-02-06 14:11:28,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1074546039] [2025-02-06 14:11:28,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:28,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:28,609 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:28,610 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:28,610 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-02-06 14:11:28,610 INFO L87 Difference]: Start difference. First operand 245 states and 320 transitions. Second operand has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:28,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:28,720 INFO L93 Difference]: Finished difference Result 256 states and 331 transitions. [2025-02-06 14:11:28,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:28,721 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 50 [2025-02-06 14:11:28,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:28,722 INFO L225 Difference]: With dead ends: 256 [2025-02-06 14:11:28,722 INFO L226 Difference]: Without dead ends: 239 [2025-02-06 14:11:28,722 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:28,723 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 51 mSDsluCounter, 77 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 134 SdHoareTripleChecker+Invalid, 78 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:28,723 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 134 Invalid, 78 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:28,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 239 states. [2025-02-06 14:11:28,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 239 to 230. [2025-02-06 14:11:28,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 230 states, 181 states have (on average 1.4033149171270718) internal successors, (254), 200 states have internal predecessors, (254), 24 states have call successors, (24), 5 states have call predecessors, (24), 5 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2025-02-06 14:11:28,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 230 states and 302 transitions. [2025-02-06 14:11:28,741 INFO L78 Accepts]: Start accepts. Automaton has 230 states and 302 transitions. Word has length 50 [2025-02-06 14:11:28,741 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:28,741 INFO L471 AbstractCegarLoop]: Abstraction has 230 states and 302 transitions. [2025-02-06 14:11:28,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.333333333333334) internal successors, (28), 4 states have internal predecessors, (28), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:28,741 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 302 transitions. [2025-02-06 14:11:28,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2025-02-06 14:11:28,742 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:28,742 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:28,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-02-06 14:11:28,742 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr22ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:28,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:28,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1177873301, now seen corresponding path program 1 times [2025-02-06 14:11:28,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:28,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [460606588] [2025-02-06 14:11:28,743 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:28,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:28,746 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:11:28,749 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:11:28,749 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:28,749 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:28,793 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:28,794 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:28,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [460606588] [2025-02-06 14:11:28,794 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [460606588] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:28,794 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1734349682] [2025-02-06 14:11:28,794 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:28,794 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:28,794 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:28,797 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:28,798 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-02-06 14:11:28,821 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 54 statements into 1 equivalence classes. [2025-02-06 14:11:28,833 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 54 of 54 statements. [2025-02-06 14:11:28,833 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:28,833 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:28,834 INFO L256 TraceCheckSpWp]: Trace formula consists of 120 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-02-06 14:11:28,835 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:28,881 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:28,881 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:28,936 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:28,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1734349682] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:28,936 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:28,937 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2025-02-06 14:11:28,937 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1994562740] [2025-02-06 14:11:28,937 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:28,937 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:28,937 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:28,938 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:28,938 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:28,938 INFO L87 Difference]: Start difference. First operand 230 states and 302 transitions. Second operand has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:29,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:29,054 INFO L93 Difference]: Finished difference Result 364 states and 468 transitions. [2025-02-06 14:11:29,054 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:29,055 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 54 [2025-02-06 14:11:29,055 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:29,056 INFO L225 Difference]: With dead ends: 364 [2025-02-06 14:11:29,056 INFO L226 Difference]: Without dead ends: 362 [2025-02-06 14:11:29,056 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:29,057 INFO L435 NwaCegarLoop]: 75 mSDtfsCounter, 127 mSDsluCounter, 177 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 135 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 125 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:29,057 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [135 Valid, 252 Invalid, 125 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:29,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 362 states. [2025-02-06 14:11:29,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 362 to 299. [2025-02-06 14:11:29,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 299 states, 241 states have (on average 1.4190871369294606) internal successors, (342), 260 states have internal predecessors, (342), 33 states have call successors, (33), 5 states have call predecessors, (33), 5 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:29,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 299 states and 408 transitions. [2025-02-06 14:11:29,074 INFO L78 Accepts]: Start accepts. Automaton has 299 states and 408 transitions. Word has length 54 [2025-02-06 14:11:29,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:29,074 INFO L471 AbstractCegarLoop]: Abstraction has 299 states and 408 transitions. [2025-02-06 14:11:29,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 9.6) internal successors, (48), 6 states have internal predecessors, (48), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:29,074 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 408 transitions. [2025-02-06 14:11:29,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2025-02-06 14:11:29,075 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:29,075 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:29,081 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 [2025-02-06 14:11:29,279 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:29,279 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:29,279 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:29,279 INFO L85 PathProgramCache]: Analyzing trace with hash 2140595625, now seen corresponding path program 1 times [2025-02-06 14:11:29,279 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:29,279 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [350778261] [2025-02-06 14:11:29,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:29,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:29,283 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:11:29,286 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:11:29,286 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:29,286 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:29,364 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:29,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:29,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [350778261] [2025-02-06 14:11:29,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [350778261] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:29,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1316720660] [2025-02-06 14:11:29,365 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:29,365 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:29,365 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:29,367 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:29,369 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-02-06 14:11:29,390 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 55 statements into 1 equivalence classes. [2025-02-06 14:11:29,402 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 55 of 55 statements. [2025-02-06 14:11:29,402 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:29,402 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:29,403 INFO L256 TraceCheckSpWp]: Trace formula consists of 122 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:11:29,404 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:29,464 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:11:29,464 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:29,557 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:29,557 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1316720660] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:29,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:29,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 7] total 13 [2025-02-06 14:11:29,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836361832] [2025-02-06 14:11:29,558 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:29,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:11:29,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:29,559 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:11:29,559 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=135, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:29,559 INFO L87 Difference]: Start difference. First operand 299 states and 408 transitions. Second operand has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:29,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:29,751 INFO L93 Difference]: Finished difference Result 346 states and 451 transitions. [2025-02-06 14:11:29,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2025-02-06 14:11:29,751 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 55 [2025-02-06 14:11:29,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:29,753 INFO L225 Difference]: With dead ends: 346 [2025-02-06 14:11:29,753 INFO L226 Difference]: Without dead ends: 340 [2025-02-06 14:11:29,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 128 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=180, Invalid=522, Unknown=0, NotChecked=0, Total=702 [2025-02-06 14:11:29,754 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 104 mSDsluCounter, 486 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:29,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 552 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:29,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2025-02-06 14:11:29,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 322. [2025-02-06 14:11:29,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 322 states, 262 states have (on average 1.3931297709923665) internal successors, (365), 281 states have internal predecessors, (365), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:29,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 322 states to 322 states and 431 transitions. [2025-02-06 14:11:29,777 INFO L78 Accepts]: Start accepts. Automaton has 322 states and 431 transitions. Word has length 55 [2025-02-06 14:11:29,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:29,777 INFO L471 AbstractCegarLoop]: Abstraction has 322 states and 431 transitions. [2025-02-06 14:11:29,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 4.538461538461538) internal successors, (59), 14 states have internal predecessors, (59), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:29,777 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 431 transitions. [2025-02-06 14:11:29,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-02-06 14:11:29,777 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:29,777 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:29,784 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:29,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-02-06 14:11:29,978 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:29,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:29,978 INFO L85 PathProgramCache]: Analyzing trace with hash -1253454012, now seen corresponding path program 1 times [2025-02-06 14:11:29,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:29,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [545884779] [2025-02-06 14:11:29,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:29,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:29,982 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:11:29,991 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:11:29,991 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:29,991 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:29,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748247819] [2025-02-06 14:11:29,992 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:29,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:29,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:29,993 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:29,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-02-06 14:11:30,015 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-02-06 14:11:30,029 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-02-06 14:11:30,029 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:30,029 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:30,030 INFO L256 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-02-06 14:11:30,031 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:30,148 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:30,148 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:30,246 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:30,246 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:30,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [545884779] [2025-02-06 14:11:30,247 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:30,247 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748247819] [2025-02-06 14:11:30,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748247819] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:30,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:11:30,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-02-06 14:11:30,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [283012327] [2025-02-06 14:11:30,247 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:30,247 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:11:30,247 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:30,248 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:11:30,248 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:30,248 INFO L87 Difference]: Start difference. First operand 322 states and 431 transitions. Second operand has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:30,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:30,629 INFO L93 Difference]: Finished difference Result 367 states and 486 transitions. [2025-02-06 14:11:30,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:11:30,629 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 60 [2025-02-06 14:11:30,630 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:30,631 INFO L225 Difference]: With dead ends: 367 [2025-02-06 14:11:30,631 INFO L226 Difference]: Without dead ends: 361 [2025-02-06 14:11:30,631 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 124 GetRequests, 112 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:30,632 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 268 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 285 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 273 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 326 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 285 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:30,632 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [273 Valid, 212 Invalid, 326 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 285 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:30,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 361 states. [2025-02-06 14:11:30,649 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 361 to 325. [2025-02-06 14:11:30,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 325 states, 265 states have (on average 1.3584905660377358) internal successors, (360), 284 states have internal predecessors, (360), 33 states have call successors, (33), 7 states have call predecessors, (33), 7 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-02-06 14:11:30,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 325 states and 426 transitions. [2025-02-06 14:11:30,651 INFO L78 Accepts]: Start accepts. Automaton has 325 states and 426 transitions. Word has length 60 [2025-02-06 14:11:30,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:30,651 INFO L471 AbstractCegarLoop]: Abstraction has 325 states and 426 transitions. [2025-02-06 14:11:30,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-02-06 14:11:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 325 states and 426 transitions. [2025-02-06 14:11:30,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2025-02-06 14:11:30,651 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:30,652 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:30,657 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2025-02-06 14:11:30,852 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-02-06 14:11:30,852 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:30,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:30,853 INFO L85 PathProgramCache]: Analyzing trace with hash -289323777, now seen corresponding path program 1 times [2025-02-06 14:11:30,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:30,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2132742868] [2025-02-06 14:11:30,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:30,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:30,856 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:11:30,860 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:11:30,860 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:30,860 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:30,936 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:30,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:30,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2132742868] [2025-02-06 14:11:30,937 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2132742868] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:30,937 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2129886283] [2025-02-06 14:11:30,937 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:30,937 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:30,937 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:30,939 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:30,940 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-02-06 14:11:30,963 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 68 statements into 1 equivalence classes. [2025-02-06 14:11:30,975 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 68 of 68 statements. [2025-02-06 14:11:30,975 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:30,975 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:30,976 INFO L256 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:11:30,977 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:31,043 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 58 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2025-02-06 14:11:31,044 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:31,140 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-02-06 14:11:31,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2129886283] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:31,140 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:31,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 8] total 14 [2025-02-06 14:11:31,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1015345664] [2025-02-06 14:11:31,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:31,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-02-06 14:11:31,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:31,141 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-02-06 14:11:31,142 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:31,142 INFO L87 Difference]: Start difference. First operand 325 states and 426 transitions. Second operand has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:31,336 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:31,336 INFO L93 Difference]: Finished difference Result 513 states and 670 transitions. [2025-02-06 14:11:31,337 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 14:11:31,337 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) Word has length 68 [2025-02-06 14:11:31,337 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:31,338 INFO L225 Difference]: With dead ends: 513 [2025-02-06 14:11:31,338 INFO L226 Difference]: Without dead ends: 363 [2025-02-06 14:11:31,339 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 87 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=209, Invalid=391, Unknown=0, NotChecked=0, Total=600 [2025-02-06 14:11:31,339 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 97 mSDsluCounter, 373 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 97 SdHoareTripleChecker+Valid, 445 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:31,339 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [97 Valid, 445 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:31,340 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 363 states. [2025-02-06 14:11:31,359 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 363 to 349. [2025-02-06 14:11:31,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 285 states have (on average 1.343859649122807) internal successors, (383), 304 states have internal predecessors, (383), 36 states have call successors, (36), 8 states have call predecessors, (36), 8 states have return successors, (36), 36 states have call predecessors, (36), 36 states have call successors, (36) [2025-02-06 14:11:31,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 455 transitions. [2025-02-06 14:11:31,361 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 455 transitions. Word has length 68 [2025-02-06 14:11:31,361 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:31,361 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 455 transitions. [2025-02-06 14:11:31,361 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.5) internal successors, (77), 14 states have internal predecessors, (77), 4 states have call successors, (18), 3 states have call predecessors, (18), 3 states have return successors, (18), 4 states have call predecessors, (18), 4 states have call successors, (18) [2025-02-06 14:11:31,361 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 455 transitions. [2025-02-06 14:11:31,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2025-02-06 14:11:31,363 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:31,363 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2025-02-06 14:11:31,368 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:31,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:31,568 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:31,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:31,568 INFO L85 PathProgramCache]: Analyzing trace with hash -1125520865, now seen corresponding path program 2 times [2025-02-06 14:11:31,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:31,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [813530788] [2025-02-06 14:11:31,568 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:31,568 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:31,573 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-02-06 14:11:31,580 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:11:31,580 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:31,580 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:31,580 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094035006] [2025-02-06 14:11:31,580 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:31,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:31,580 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:31,583 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:31,585 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-02-06 14:11:31,606 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 72 statements into 2 equivalence classes. [2025-02-06 14:11:31,620 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 72 of 72 statements. [2025-02-06 14:11:31,620 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:31,621 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:31,621 INFO L256 TraceCheckSpWp]: Trace formula consists of 153 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:11:31,622 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:31,667 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:31,667 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:31,706 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:31,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [813530788] [2025-02-06 14:11:31,706 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:31,706 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094035006] [2025-02-06 14:11:31,706 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094035006] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:31,707 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:31,707 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-02-06 14:11:31,707 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1724173128] [2025-02-06 14:11:31,707 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:31,707 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:31,707 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:31,707 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:31,707 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:31,707 INFO L87 Difference]: Start difference. First operand 349 states and 455 transitions. Second operand has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:31,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:31,798 INFO L93 Difference]: Finished difference Result 498 states and 639 transitions. [2025-02-06 14:11:31,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:31,798 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 72 [2025-02-06 14:11:31,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:31,800 INFO L225 Difference]: With dead ends: 498 [2025-02-06 14:11:31,800 INFO L226 Difference]: Without dead ends: 494 [2025-02-06 14:11:31,800 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=15, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:31,801 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 117 mSDsluCounter, 148 mSDsCounter, 0 mSdLazyCounter, 78 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 84 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 78 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:31,801 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 224 Invalid, 84 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 78 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:31,803 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 494 states. [2025-02-06 14:11:31,829 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 494 to 380. [2025-02-06 14:11:31,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 380 states, 312 states have (on average 1.3237179487179487) internal successors, (413), 331 states have internal predecessors, (413), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 14:11:31,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 380 states and 493 transitions. [2025-02-06 14:11:31,831 INFO L78 Accepts]: Start accepts. Automaton has 380 states and 493 transitions. Word has length 72 [2025-02-06 14:11:31,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:31,831 INFO L471 AbstractCegarLoop]: Abstraction has 380 states and 493 transitions. [2025-02-06 14:11:31,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.75) internal successors, (35), 5 states have internal predecessors, (35), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:31,831 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 493 transitions. [2025-02-06 14:11:31,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2025-02-06 14:11:31,832 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:31,832 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:31,839 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-02-06 14:11:32,032 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:32,033 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:32,033 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:32,033 INFO L85 PathProgramCache]: Analyzing trace with hash 295959034, now seen corresponding path program 1 times [2025-02-06 14:11:32,033 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:32,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925342000] [2025-02-06 14:11:32,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:32,033 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:32,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 79 statements into 1 equivalence classes. [2025-02-06 14:11:32,042 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 79 of 79 statements. [2025-02-06 14:11:32,042 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:32,042 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:32,078 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:32,079 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:32,079 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925342000] [2025-02-06 14:11:32,079 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925342000] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:32,079 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:32,079 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-02-06 14:11:32,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [509353159] [2025-02-06 14:11:32,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:32,080 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-02-06 14:11:32,080 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:32,080 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-02-06 14:11:32,080 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:32,080 INFO L87 Difference]: Start difference. First operand 380 states and 493 transitions. Second operand has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:32,134 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:32,134 INFO L93 Difference]: Finished difference Result 380 states and 493 transitions. [2025-02-06 14:11:32,135 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-02-06 14:11:32,135 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 79 [2025-02-06 14:11:32,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:32,136 INFO L225 Difference]: With dead ends: 380 [2025-02-06 14:11:32,136 INFO L226 Difference]: Without dead ends: 379 [2025-02-06 14:11:32,137 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-02-06 14:11:32,137 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 2 mSDsluCounter, 49 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 29 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:32,138 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 118 Invalid, 29 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-02-06 14:11:32,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 379 states. [2025-02-06 14:11:32,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 379 to 379. [2025-02-06 14:11:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 379 states, 312 states have (on average 1.310897435897436) internal successors, (409), 330 states have internal predecessors, (409), 40 states have call successors, (40), 8 states have call predecessors, (40), 8 states have return successors, (40), 40 states have call predecessors, (40), 40 states have call successors, (40) [2025-02-06 14:11:32,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 379 states to 379 states and 489 transitions. [2025-02-06 14:11:32,160 INFO L78 Accepts]: Start accepts. Automaton has 379 states and 489 transitions. Word has length 79 [2025-02-06 14:11:32,161 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:32,161 INFO L471 AbstractCegarLoop]: Abstraction has 379 states and 489 transitions. [2025-02-06 14:11:32,161 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 18.0) internal successors, (36), 3 states have internal predecessors, (36), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:32,161 INFO L276 IsEmpty]: Start isEmpty. Operand 379 states and 489 transitions. [2025-02-06 14:11:32,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2025-02-06 14:11:32,161 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:32,161 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:32,162 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2025-02-06 14:11:32,162 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:32,163 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:32,163 INFO L85 PathProgramCache]: Analyzing trace with hash 584795449, now seen corresponding path program 1 times [2025-02-06 14:11:32,163 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:32,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1409424478] [2025-02-06 14:11:32,164 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:32,164 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:32,167 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 80 statements into 1 equivalence classes. [2025-02-06 14:11:32,172 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 80 of 80 statements. [2025-02-06 14:11:32,173 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:32,173 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:32,269 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:32,270 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:32,270 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1409424478] [2025-02-06 14:11:32,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1409424478] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:32,270 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:32,270 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-02-06 14:11:32,270 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1444688203] [2025-02-06 14:11:32,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:32,270 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:32,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:32,271 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:32,271 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2025-02-06 14:11:32,271 INFO L87 Difference]: Start difference. First operand 379 states and 489 transitions. Second operand has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2025-02-06 14:11:32,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:32,439 INFO L93 Difference]: Finished difference Result 579 states and 774 transitions. [2025-02-06 14:11:32,442 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:32,442 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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 80 [2025-02-06 14:11:32,442 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:32,444 INFO L225 Difference]: With dead ends: 579 [2025-02-06 14:11:32,444 INFO L226 Difference]: Without dead ends: 578 [2025-02-06 14:11:32,444 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:32,445 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 126 mSDsluCounter, 159 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 139 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:32,447 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 221 Invalid, 139 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:32,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 578 states. [2025-02-06 14:11:32,489 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 578 to 517. [2025-02-06 14:11:32,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 436 states have (on average 1.3669724770642202) internal successors, (596), 454 states have internal predecessors, (596), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 14:11:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 704 transitions. [2025-02-06 14:11:32,492 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 704 transitions. Word has length 80 [2025-02-06 14:11:32,492 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:32,492 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 704 transitions. [2025-02-06 14:11:32,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 7.4) internal successors, (37), 6 states have internal predecessors, (37), 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) [2025-02-06 14:11:32,493 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 704 transitions. [2025-02-06 14:11:32,493 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2025-02-06 14:11:32,493 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:32,493 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:32,493 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2025-02-06 14:11:32,493 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:32,494 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:32,494 INFO L85 PathProgramCache]: Analyzing trace with hash 948789720, now seen corresponding path program 1 times [2025-02-06 14:11:32,494 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:32,494 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2113494251] [2025-02-06 14:11:32,494 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:32,494 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:32,499 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:11:32,508 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:11:32,508 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:32,508 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:32,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2113494251] [2025-02-06 14:11:32,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2113494251] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:32,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [151319297] [2025-02-06 14:11:32,625 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:32,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:32,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:32,628 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:32,629 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-02-06 14:11:32,652 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 81 statements into 1 equivalence classes. [2025-02-06 14:11:32,668 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 81 of 81 statements. [2025-02-06 14:11:32,668 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:32,668 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:32,669 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:11:32,671 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:32,857 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:32,857 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:32,857 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [151319297] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:32,857 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:32,857 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2025-02-06 14:11:32,857 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [735542708] [2025-02-06 14:11:32,857 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:32,858 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:32,858 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:32,858 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:32,858 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:32,858 INFO L87 Difference]: Start difference. First operand 517 states and 704 transitions. Second operand has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:33,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:33,017 INFO L93 Difference]: Finished difference Result 562 states and 753 transitions. [2025-02-06 14:11:33,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:33,018 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 81 [2025-02-06 14:11:33,018 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:33,020 INFO L225 Difference]: With dead ends: 562 [2025-02-06 14:11:33,020 INFO L226 Difference]: Without dead ends: 561 [2025-02-06 14:11:33,020 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 78 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=29, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:33,021 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 86 mSDsluCounter, 56 mSDsCounter, 0 mSdLazyCounter, 98 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 96 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 101 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 98 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:33,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [96 Valid, 125 Invalid, 101 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 98 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:33,021 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 561 states. [2025-02-06 14:11:33,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 561 to 529. [2025-02-06 14:11:33,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 529 states, 448 states have (on average 1.3571428571428572) internal successors, (608), 466 states have internal predecessors, (608), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 14:11:33,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 529 states and 716 transitions. [2025-02-06 14:11:33,066 INFO L78 Accepts]: Start accepts. Automaton has 529 states and 716 transitions. Word has length 81 [2025-02-06 14:11:33,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:33,066 INFO L471 AbstractCegarLoop]: Abstraction has 529 states and 716 transitions. [2025-02-06 14:11:33,066 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 9.5) internal successors, (38), 5 states have internal predecessors, (38), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:33,067 INFO L276 IsEmpty]: Start isEmpty. Operand 529 states and 716 transitions. [2025-02-06 14:11:33,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-02-06 14:11:33,067 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:33,067 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:33,073 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:33,267 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,13 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:33,268 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:33,268 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:33,268 INFO L85 PathProgramCache]: Analyzing trace with hash -652289769, now seen corresponding path program 1 times [2025-02-06 14:11:33,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:33,269 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [41505896] [2025-02-06 14:11:33,269 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:33,269 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:33,272 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:11:33,291 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:11:33,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:33,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:33,389 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:33,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:33,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [41505896] [2025-02-06 14:11:33,390 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [41505896] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:33,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1097641126] [2025-02-06 14:11:33,390 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:33,390 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:33,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:33,392 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:33,393 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-02-06 14:11:33,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-02-06 14:11:33,438 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-02-06 14:11:33,438 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:33,438 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:33,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-02-06 14:11:33,441 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:33,531 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:33,532 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-02-06 14:11:33,532 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1097641126] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:33,532 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:33,532 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2025-02-06 14:11:33,532 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [277984792] [2025-02-06 14:11:33,532 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:33,532 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-02-06 14:11:33,532 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:33,533 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-02-06 14:11:33,533 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:33,533 INFO L87 Difference]: Start difference. First operand 529 states and 716 transitions. Second operand has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:33,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:33,647 INFO L93 Difference]: Finished difference Result 544 states and 729 transitions. [2025-02-06 14:11:33,647 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-02-06 14:11:33,647 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2025-02-06 14:11:33,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:33,649 INFO L225 Difference]: With dead ends: 544 [2025-02-06 14:11:33,649 INFO L226 Difference]: Without dead ends: 542 [2025-02-06 14:11:33,649 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:33,650 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 43 mSDsluCounter, 60 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 48 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:33,650 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [48 Valid, 119 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:33,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 542 states. [2025-02-06 14:11:33,679 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 542 to 533. [2025-02-06 14:11:33,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 533 states, 452 states have (on average 1.345132743362832) internal successors, (608), 470 states have internal predecessors, (608), 54 states have call successors, (54), 8 states have call predecessors, (54), 8 states have return successors, (54), 54 states have call predecessors, (54), 54 states have call successors, (54) [2025-02-06 14:11:33,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 533 states and 716 transitions. [2025-02-06 14:11:33,682 INFO L78 Accepts]: Start accepts. Automaton has 533 states and 716 transitions. Word has length 82 [2025-02-06 14:11:33,682 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:33,682 INFO L471 AbstractCegarLoop]: Abstraction has 533 states and 716 transitions. [2025-02-06 14:11:33,682 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.0) internal successors, (39), 4 states have internal predecessors, (39), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:33,682 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 716 transitions. [2025-02-06 14:11:33,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-02-06 14:11:33,683 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:33,683 INFO L218 NwaCegarLoop]: trace histogram [9, 9, 9, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:33,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:33,887 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,14 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:33,887 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:33,887 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:33,887 INFO L85 PathProgramCache]: Analyzing trace with hash 1985215914, now seen corresponding path program 1 times [2025-02-06 14:11:33,887 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:33,887 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [225427796] [2025-02-06 14:11:33,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:33,887 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:33,892 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 14:11:33,895 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 14:11:33,895 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:33,895 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:33,983 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 14:11:33,983 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:33,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [225427796] [2025-02-06 14:11:33,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [225427796] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:33,983 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [87222517] [2025-02-06 14:11:33,983 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:33,983 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:33,984 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:33,986 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:33,987 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-02-06 14:11:34,008 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-02-06 14:11:34,024 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-02-06 14:11:34,025 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:34,025 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:34,025 INFO L256 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-02-06 14:11:34,027 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:34,099 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 142 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2025-02-06 14:11:34,099 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:34,237 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2025-02-06 14:11:34,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [87222517] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:34,238 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:34,238 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 9, 10] total 18 [2025-02-06 14:11:34,238 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352681270] [2025-02-06 14:11:34,238 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:34,238 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2025-02-06 14:11:34,238 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:34,239 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2025-02-06 14:11:34,239 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:11:34,239 INFO L87 Difference]: Start difference. First operand 533 states and 716 transitions. Second operand has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-02-06 14:11:34,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:34,546 INFO L93 Difference]: Finished difference Result 600 states and 786 transitions. [2025-02-06 14:11:34,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2025-02-06 14:11:34,547 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) Word has length 86 [2025-02-06 14:11:34,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:34,549 INFO L225 Difference]: With dead ends: 600 [2025-02-06 14:11:34,549 INFO L226 Difference]: Without dead ends: 588 [2025-02-06 14:11:34,549 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 199 GetRequests, 164 SyntacticMatches, 0 SemanticMatches, 35 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 254 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=334, Invalid=998, Unknown=0, NotChecked=0, Total=1332 [2025-02-06 14:11:34,550 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 116 mSDsluCounter, 586 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 116 SdHoareTripleChecker+Valid, 653 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:34,550 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [116 Valid, 653 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:34,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2025-02-06 14:11:34,579 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 561. [2025-02-06 14:11:34,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 561 states, 475 states have (on average 1.3305263157894738) internal successors, (632), 493 states have internal predecessors, (632), 57 states have call successors, (57), 10 states have call predecessors, (57), 10 states have return successors, (57), 57 states have call predecessors, (57), 57 states have call successors, (57) [2025-02-06 14:11:34,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 561 states to 561 states and 746 transitions. [2025-02-06 14:11:34,582 INFO L78 Accepts]: Start accepts. Automaton has 561 states and 746 transitions. Word has length 86 [2025-02-06 14:11:34,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:34,582 INFO L471 AbstractCegarLoop]: Abstraction has 561 states and 746 transitions. [2025-02-06 14:11:34,582 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.0) internal successors, (90), 18 states have internal predecessors, (90), 6 states have call successors, (27), 4 states have call predecessors, (27), 4 states have return successors, (27), 6 states have call predecessors, (27), 6 states have call successors, (27) [2025-02-06 14:11:34,583 INFO L276 IsEmpty]: Start isEmpty. Operand 561 states and 746 transitions. [2025-02-06 14:11:34,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2025-02-06 14:11:34,583 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:34,583 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:34,589 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:34,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 15 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2025-02-06 14:11:34,784 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:34,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:34,784 INFO L85 PathProgramCache]: Analyzing trace with hash -1647431908, now seen corresponding path program 1 times [2025-02-06 14:11:34,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:34,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120782191] [2025-02-06 14:11:34,784 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:34,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:34,788 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 14:11:34,800 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 14:11:34,800 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:34,800 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:34,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1784062384] [2025-02-06 14:11:34,801 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:34,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:34,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:34,803 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:34,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-02-06 14:11:34,831 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 87 statements into 1 equivalence classes. [2025-02-06 14:11:34,847 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 87 of 87 statements. [2025-02-06 14:11:34,847 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:34,847 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:34,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 175 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:34,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:35,170 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:35,170 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:35,538 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:35,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120782191] [2025-02-06 14:11:35,538 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:35,538 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1784062384] [2025-02-06 14:11:35,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1784062384] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:35,538 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:35,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:35,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60140560] [2025-02-06 14:11:35,539 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:35,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:35,540 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:35,540 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:35,540 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=90, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:35,540 INFO L87 Difference]: Start difference. First operand 561 states and 746 transitions. Second operand has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:35,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:35,913 INFO L93 Difference]: Finished difference Result 630 states and 838 transitions. [2025-02-06 14:11:35,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:11:35,914 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 87 [2025-02-06 14:11:35,914 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:35,916 INFO L225 Difference]: With dead ends: 630 [2025-02-06 14:11:35,916 INFO L226 Difference]: Without dead ends: 629 [2025-02-06 14:11:35,916 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2025-02-06 14:11:35,916 INFO L435 NwaCegarLoop]: 74 mSDtfsCounter, 65 mSDsluCounter, 289 mSDsCounter, 0 mSdLazyCounter, 576 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 363 SdHoareTripleChecker+Invalid, 581 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 576 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:35,916 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 363 Invalid, 581 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 576 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:35,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 629 states. [2025-02-06 14:11:35,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 629 to 601. [2025-02-06 14:11:35,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 601 states, 511 states have (on average 1.3268101761252447) internal successors, (678), 529 states have internal predecessors, (678), 61 states have call successors, (61), 10 states have call predecessors, (61), 10 states have return successors, (61), 61 states have call predecessors, (61), 61 states have call successors, (61) [2025-02-06 14:11:35,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 601 states and 800 transitions. [2025-02-06 14:11:35,946 INFO L78 Accepts]: Start accepts. Automaton has 601 states and 800 transitions. Word has length 87 [2025-02-06 14:11:35,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:35,947 INFO L471 AbstractCegarLoop]: Abstraction has 601 states and 800 transitions. [2025-02-06 14:11:35,947 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.25) internal successors, (50), 9 states have internal predecessors, (50), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:35,947 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 800 transitions. [2025-02-06 14:11:35,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2025-02-06 14:11:35,947 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:35,947 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:35,953 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-02-06 14:11:36,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2025-02-06 14:11:36,148 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:36,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:36,149 INFO L85 PathProgramCache]: Analyzing trace with hash 469218417, now seen corresponding path program 1 times [2025-02-06 14:11:36,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:36,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [300267976] [2025-02-06 14:11:36,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:36,153 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:11:36,162 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:11:36,163 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,164 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:36,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1789610415] [2025-02-06 14:11:36,165 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:36,165 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:36,165 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:36,167 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:36,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-02-06 14:11:36,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 88 statements into 1 equivalence classes. [2025-02-06 14:11:36,210 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 88 of 88 statements. [2025-02-06 14:11:36,210 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:36,210 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:36,211 INFO L256 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:36,212 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:36,535 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:36,535 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:36,778 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:36,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [300267976] [2025-02-06 14:11:36,778 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:36,778 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1789610415] [2025-02-06 14:11:36,778 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1789610415] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:36,778 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:36,778 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:36,778 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1296285131] [2025-02-06 14:11:36,778 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:36,779 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:36,779 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:36,779 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:36,779 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=89, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:36,779 INFO L87 Difference]: Start difference. First operand 601 states and 800 transitions. Second operand has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:37,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,029 INFO L93 Difference]: Finished difference Result 657 states and 878 transitions. [2025-02-06 14:11:37,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:11:37,029 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 88 [2025-02-06 14:11:37,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,031 INFO L225 Difference]: With dead ends: 657 [2025-02-06 14:11:37,031 INFO L226 Difference]: Without dead ends: 656 [2025-02-06 14:11:37,032 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 105 GetRequests, 94 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:37,032 INFO L435 NwaCegarLoop]: 62 mSDtfsCounter, 53 mSDsluCounter, 201 mSDsCounter, 0 mSdLazyCounter, 367 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 57 SdHoareTripleChecker+Valid, 263 SdHoareTripleChecker+Invalid, 370 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,032 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [57 Valid, 263 Invalid, 370 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 367 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:37,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2025-02-06 14:11:37,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 641. [2025-02-06 14:11:37,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 641 states, 547 states have (on average 1.323583180987203) internal successors, (724), 565 states have internal predecessors, (724), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-06 14:11:37,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 641 states and 854 transitions. [2025-02-06 14:11:37,064 INFO L78 Accepts]: Start accepts. Automaton has 641 states and 854 transitions. Word has length 88 [2025-02-06 14:11:37,064 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:37,064 INFO L471 AbstractCegarLoop]: Abstraction has 641 states and 854 transitions. [2025-02-06 14:11:37,064 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 6.375) internal successors, (51), 9 states have internal predecessors, (51), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2025-02-06 14:11:37,064 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 854 transitions. [2025-02-06 14:11:37,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2025-02-06 14:11:37,065 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:37,065 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:37,072 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:37,265 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,17 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:37,266 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:37,266 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:37,266 INFO L85 PathProgramCache]: Analyzing trace with hash 1660869050, now seen corresponding path program 1 times [2025-02-06 14:11:37,267 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:37,267 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1611529828] [2025-02-06 14:11:37,267 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,267 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:37,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 89 statements into 1 equivalence classes. [2025-02-06 14:11:37,278 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 89 of 89 statements. [2025-02-06 14:11:37,279 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,279 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:37,335 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 122 trivial. 0 not checked. [2025-02-06 14:11:37,336 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:37,336 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1611529828] [2025-02-06 14:11:37,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1611529828] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:37,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:37,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:11:37,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [857824079] [2025-02-06 14:11:37,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:37,336 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:37,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:37,338 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:37,338 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:37,338 INFO L87 Difference]: Start difference. First operand 641 states and 854 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:37,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:37,529 INFO L93 Difference]: Finished difference Result 646 states and 861 transitions. [2025-02-06 14:11:37,529 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-02-06 14:11:37,529 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 89 [2025-02-06 14:11:37,529 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:37,531 INFO L225 Difference]: With dead ends: 646 [2025-02-06 14:11:37,531 INFO L226 Difference]: Without dead ends: 645 [2025-02-06 14:11:37,532 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2025-02-06 14:11:37,532 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 89 mSDsluCounter, 62 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 112 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:37,532 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 112 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:37,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 645 states. [2025-02-06 14:11:37,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 645 to 640. [2025-02-06 14:11:37,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 640 states, 547 states have (on average 1.3089579524680073) internal successors, (716), 564 states have internal predecessors, (716), 65 states have call successors, (65), 10 states have call predecessors, (65), 10 states have return successors, (65), 65 states have call predecessors, (65), 65 states have call successors, (65) [2025-02-06 14:11:37,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 640 states and 846 transitions. [2025-02-06 14:11:37,563 INFO L78 Accepts]: Start accepts. Automaton has 640 states and 846 transitions. Word has length 89 [2025-02-06 14:11:37,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:37,563 INFO L471 AbstractCegarLoop]: Abstraction has 640 states and 846 transitions. [2025-02-06 14:11:37,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-02-06 14:11:37,563 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 846 transitions. [2025-02-06 14:11:37,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2025-02-06 14:11:37,564 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:37,564 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:37,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2025-02-06 14:11:37,564 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:37,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:37,565 INFO L85 PathProgramCache]: Analyzing trace with hash -52666993, now seen corresponding path program 1 times [2025-02-06 14:11:37,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:37,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1067585690] [2025-02-06 14:11:37,565 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:37,568 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 14:11:37,577 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:11:37,578 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,578 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:37,578 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1416160700] [2025-02-06 14:11:37,578 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:37,578 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:37,578 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:37,580 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:37,583 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-02-06 14:11:37,608 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 90 statements into 1 equivalence classes. [2025-02-06 14:11:37,627 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 90 of 90 statements. [2025-02-06 14:11:37,627 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:37,627 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:37,631 INFO L256 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-02-06 14:11:37,633 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:38,199 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:38,199 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:40,076 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-02-06 14:11:40,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:40,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1067585690] [2025-02-06 14:11:40,077 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:40,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1416160700] [2025-02-06 14:11:40,077 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1416160700] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:40,077 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-02-06 14:11:40,077 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10] total 19 [2025-02-06 14:11:40,077 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1954650203] [2025-02-06 14:11:40,077 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:40,078 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-02-06 14:11:40,078 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:40,078 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-02-06 14:11:40,078 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=264, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:11:40,078 INFO L87 Difference]: Start difference. First operand 640 states and 846 transitions. Second operand has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 14:11:44,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:44,585 INFO L93 Difference]: Finished difference Result 809 states and 1078 transitions. [2025-02-06 14:11:44,586 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2025-02-06 14:11:44,586 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) Word has length 90 [2025-02-06 14:11:44,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:44,588 INFO L225 Difference]: With dead ends: 809 [2025-02-06 14:11:44,588 INFO L226 Difference]: Without dead ends: 659 [2025-02-06 14:11:44,589 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 193 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 283 ImplicationChecksByTransitivity, 2.4s TimeCoverageRelationStatistics Valid=376, Invalid=814, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 14:11:44,593 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 350 mSDsluCounter, 335 mSDsCounter, 0 mSdLazyCounter, 893 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 355 SdHoareTripleChecker+Valid, 385 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 893 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.5s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:44,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [355 Valid, 385 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 893 Invalid, 0 Unknown, 0 Unchecked, 2.5s Time] [2025-02-06 14:11:44,595 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 659 states. [2025-02-06 14:11:44,635 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 659 to 595. [2025-02-06 14:11:44,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 595 states, 508 states have (on average 1.3208661417322836) internal successors, (671), 525 states have internal predecessors, (671), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-06 14:11:44,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 595 states and 789 transitions. [2025-02-06 14:11:44,637 INFO L78 Accepts]: Start accepts. Automaton has 595 states and 789 transitions. Word has length 90 [2025-02-06 14:11:44,638 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:44,638 INFO L471 AbstractCegarLoop]: Abstraction has 595 states and 789 transitions. [2025-02-06 14:11:44,638 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 5.2631578947368425) internal successors, (100), 20 states have internal predecessors, (100), 6 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 6 states have call predecessors, (16), 6 states have call successors, (16) [2025-02-06 14:11:44,638 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 789 transitions. [2025-02-06 14:11:44,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2025-02-06 14:11:44,639 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:44,639 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1, 1] [2025-02-06 14:11:44,645 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:44,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-02-06 14:11:44,843 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:44,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:44,843 INFO L85 PathProgramCache]: Analyzing trace with hash 319359492, now seen corresponding path program 3 times [2025-02-06 14:11:44,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:44,844 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469055011] [2025-02-06 14:11:44,844 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:44,844 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:44,848 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 98 statements into 6 equivalence classes. [2025-02-06 14:11:44,861 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 98 of 98 statements. [2025-02-06 14:11:44,861 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 14:11:44,861 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:44,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1205443881] [2025-02-06 14:11:44,862 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:44,862 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:44,862 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:44,864 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:44,865 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-02-06 14:11:44,887 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 98 statements into 6 equivalence classes. [2025-02-06 14:11:44,919 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 55 of 98 statements. [2025-02-06 14:11:44,919 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-02-06 14:11:44,919 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:44,919 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:11:44,921 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:45,050 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2025-02-06 14:11:45,050 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:45,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:45,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469055011] [2025-02-06 14:11:45,238 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:45,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1205443881] [2025-02-06 14:11:45,239 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1205443881] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:45,239 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:45,239 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-02-06 14:11:45,239 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1763413415] [2025-02-06 14:11:45,239 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:45,239 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-02-06 14:11:45,239 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:45,240 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-02-06 14:11:45,240 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=99, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:45,240 INFO L87 Difference]: Start difference. First operand 595 states and 789 transitions. Second operand has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:11:46,609 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.21s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:11:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:46,955 INFO L93 Difference]: Finished difference Result 637 states and 826 transitions. [2025-02-06 14:11:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:11:46,955 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) Word has length 98 [2025-02-06 14:11:46,955 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:46,961 INFO L225 Difference]: With dead ends: 637 [2025-02-06 14:11:46,961 INFO L226 Difference]: Without dead ends: 633 [2025-02-06 14:11:46,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 126 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=243, Unknown=0, NotChecked=0, Total=342 [2025-02-06 14:11:46,962 INFO L435 NwaCegarLoop]: 73 mSDtfsCounter, 148 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 512 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 150 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 512 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:46,962 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [150 Valid, 361 Invalid, 543 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 512 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2025-02-06 14:11:46,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 633 states. [2025-02-06 14:11:46,999 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 633 to 592. [2025-02-06 14:11:47,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 592 states, 508 states have (on average 1.2834645669291338) internal successors, (652), 522 states have internal predecessors, (652), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-06 14:11:47,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 592 states and 770 transitions. [2025-02-06 14:11:47,003 INFO L78 Accepts]: Start accepts. Automaton has 592 states and 770 transitions. Word has length 98 [2025-02-06 14:11:47,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:47,003 INFO L471 AbstractCegarLoop]: Abstraction has 592 states and 770 transitions. [2025-02-06 14:11:47,003 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.571428571428571) internal successors, (32), 7 states have internal predecessors, (32), 2 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 3 states have call predecessors, (6), 2 states have call successors, (6) [2025-02-06 14:11:47,003 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 770 transitions. [2025-02-06 14:11:47,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2025-02-06 14:11:47,005 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:47,005 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:47,012 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-02-06 14:11:47,205 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:47,206 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:47,206 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:47,206 INFO L85 PathProgramCache]: Analyzing trace with hash 1461303417, now seen corresponding path program 1 times [2025-02-06 14:11:47,207 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:47,207 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540002914] [2025-02-06 14:11:47,207 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:47,207 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:47,211 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 14:11:47,226 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 14:11:47,226 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:47,226 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:47,227 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [813245507] [2025-02-06 14:11:47,227 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:47,227 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:47,227 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:47,229 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:47,230 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-02-06 14:11:47,255 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 104 statements into 1 equivalence classes. [2025-02-06 14:11:47,273 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 104 of 104 statements. [2025-02-06 14:11:47,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:47,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:47,275 INFO L256 TraceCheckSpWp]: Trace formula consists of 201 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:47,276 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:47,611 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 14:11:47,611 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:47,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540002914] [2025-02-06 14:11:47,888 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [813245507] [2025-02-06 14:11:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [813245507] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:47,888 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-02-06 14:11:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [544934503] [2025-02-06 14:11:47,888 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:47,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-02-06 14:11:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:47,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-02-06 14:11:47,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=104, Unknown=0, NotChecked=0, Total=156 [2025-02-06 14:11:47,889 INFO L87 Difference]: Start difference. First operand 592 states and 770 transitions. Second operand has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 14:11:48,116 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:48,116 INFO L93 Difference]: Finished difference Result 597 states and 777 transitions. [2025-02-06 14:11:48,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-02-06 14:11:48,117 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) Word has length 104 [2025-02-06 14:11:48,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:48,118 INFO L225 Difference]: With dead ends: 597 [2025-02-06 14:11:48,118 INFO L226 Difference]: Without dead ends: 596 [2025-02-06 14:11:48,119 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=79, Invalid=161, Unknown=0, NotChecked=0, Total=240 [2025-02-06 14:11:48,119 INFO L435 NwaCegarLoop]: 69 mSDtfsCounter, 26 mSDsluCounter, 288 mSDsCounter, 0 mSdLazyCounter, 382 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 357 SdHoareTripleChecker+Invalid, 385 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:48,119 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 357 Invalid, 385 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 382 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-02-06 14:11:48,120 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 596 states. [2025-02-06 14:11:48,156 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 596 to 593. [2025-02-06 14:11:48,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 593 states, 509 states have (on average 1.2829076620825148) internal successors, (653), 523 states have internal predecessors, (653), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-06 14:11:48,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 593 states and 771 transitions. [2025-02-06 14:11:48,158 INFO L78 Accepts]: Start accepts. Automaton has 593 states and 771 transitions. Word has length 104 [2025-02-06 14:11:48,158 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:48,158 INFO L471 AbstractCegarLoop]: Abstraction has 593 states and 771 transitions. [2025-02-06 14:11:48,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.125) internal successors, (57), 9 states have internal predecessors, (57), 4 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 4 states have call predecessors, (10), 4 states have call successors, (10) [2025-02-06 14:11:48,158 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 771 transitions. [2025-02-06 14:11:48,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2025-02-06 14:11:48,159 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:48,159 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:48,165 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:48,365 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:48,365 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:48,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:48,365 INFO L85 PathProgramCache]: Analyzing trace with hash -1944234350, now seen corresponding path program 1 times [2025-02-06 14:11:48,366 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:48,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1801579583] [2025-02-06 14:11:48,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:48,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:48,369 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 14:11:48,377 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 14:11:48,377 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:48,377 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:48,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1208348969] [2025-02-06 14:11:48,377 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:48,377 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:48,378 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:48,379 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:48,384 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-02-06 14:11:48,407 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 105 statements into 1 equivalence classes. [2025-02-06 14:11:48,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 105 of 105 statements. [2025-02-06 14:11:48,427 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:48,427 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:48,428 INFO L256 TraceCheckSpWp]: Trace formula consists of 202 conjuncts, 20 conjuncts are in the unsatisfiable core [2025-02-06 14:11:48,430 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:48,897 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 24 proven. 26 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2025-02-06 14:11:48,897 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:49,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:49,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1801579583] [2025-02-06 14:11:49,658 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:49,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1208348969] [2025-02-06 14:11:49,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1208348969] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:49,658 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:49,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2025-02-06 14:11:49,659 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418597209] [2025-02-06 14:11:49,659 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:49,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-02-06 14:11:49,659 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:49,659 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-02-06 14:11:49,659 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=89, Invalid=291, Unknown=0, NotChecked=0, Total=380 [2025-02-06 14:11:49,659 INFO L87 Difference]: Start difference. First operand 593 states and 771 transitions. Second operand has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 14:11:50,079 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:50,079 INFO L93 Difference]: Finished difference Result 603 states and 782 transitions. [2025-02-06 14:11:50,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-02-06 14:11:50,080 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) Word has length 105 [2025-02-06 14:11:50,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:50,082 INFO L225 Difference]: With dead ends: 603 [2025-02-06 14:11:50,082 INFO L226 Difference]: Without dead ends: 602 [2025-02-06 14:11:50,082 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 120 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=125, Invalid=427, Unknown=0, NotChecked=0, Total=552 [2025-02-06 14:11:50,082 INFO L435 NwaCegarLoop]: 52 mSDtfsCounter, 34 mSDsluCounter, 369 mSDsCounter, 0 mSdLazyCounter, 611 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 421 SdHoareTripleChecker+Invalid, 622 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 611 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:50,082 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 421 Invalid, 622 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 611 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:50,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2025-02-06 14:11:50,120 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 594. [2025-02-06 14:11:50,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 594 states, 510 states have (on average 1.2823529411764707) internal successors, (654), 524 states have internal predecessors, (654), 59 states have call successors, (59), 10 states have call predecessors, (59), 10 states have return successors, (59), 59 states have call predecessors, (59), 59 states have call successors, (59) [2025-02-06 14:11:50,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 594 states and 772 transitions. [2025-02-06 14:11:50,124 INFO L78 Accepts]: Start accepts. Automaton has 594 states and 772 transitions. Word has length 105 [2025-02-06 14:11:50,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:50,124 INFO L471 AbstractCegarLoop]: Abstraction has 594 states and 772 transitions. [2025-02-06 14:11:50,128 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 5.083333333333333) internal successors, (61), 13 states have internal predecessors, (61), 5 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 4 states have call predecessors, (10), 5 states have call successors, (10) [2025-02-06 14:11:50,128 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 772 transitions. [2025-02-06 14:11:50,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2025-02-06 14:11:50,128 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:50,128 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1] [2025-02-06 14:11:50,134 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:50,329 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,21 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:50,329 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:50,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:50,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1900902547, now seen corresponding path program 1 times [2025-02-06 14:11:50,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:50,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [488145470] [2025-02-06 14:11:50,329 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:50,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:50,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:11:50,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:11:50,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:50,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:11:50,405 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:50,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [488145470] [2025-02-06 14:11:50,405 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [488145470] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:50,405 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1805566289] [2025-02-06 14:11:50,405 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:50,405 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:50,405 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:50,407 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:50,408 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-02-06 14:11:50,433 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 108 statements into 1 equivalence classes. [2025-02-06 14:11:50,449 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 108 of 108 statements. [2025-02-06 14:11:50,450 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:50,450 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:50,450 INFO L256 TraceCheckSpWp]: Trace formula consists of 214 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-02-06 14:11:50,452 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:50,502 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:11:50,502 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:50,583 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-02-06 14:11:50,583 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1805566289] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:50,583 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:50,583 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2025-02-06 14:11:50,583 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [543173537] [2025-02-06 14:11:50,583 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:50,583 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-02-06 14:11:50,583 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:50,584 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-02-06 14:11:50,584 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:50,584 INFO L87 Difference]: Start difference. First operand 594 states and 772 transitions. Second operand has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 14:11:50,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:50,801 INFO L93 Difference]: Finished difference Result 1212 states and 1561 transitions. [2025-02-06 14:11:50,801 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-02-06 14:11:50,802 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) Word has length 108 [2025-02-06 14:11:50,802 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:50,805 INFO L225 Difference]: With dead ends: 1212 [2025-02-06 14:11:50,805 INFO L226 Difference]: Without dead ends: 1210 [2025-02-06 14:11:50,805 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:50,805 INFO L435 NwaCegarLoop]: 76 mSDtfsCounter, 320 mSDsluCounter, 426 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 336 SdHoareTripleChecker+Valid, 502 SdHoareTripleChecker+Invalid, 215 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:50,805 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [336 Valid, 502 Invalid, 215 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:50,806 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1210 states. [2025-02-06 14:11:50,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1210 to 661. [2025-02-06 14:11:50,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 661 states, 567 states have (on average 1.271604938271605) internal successors, (721), 581 states have internal predecessors, (721), 69 states have call successors, (69), 10 states have call predecessors, (69), 10 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-02-06 14:11:50,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 661 states to 661 states and 859 transitions. [2025-02-06 14:11:50,852 INFO L78 Accepts]: Start accepts. Automaton has 661 states and 859 transitions. Word has length 108 [2025-02-06 14:11:50,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:50,853 INFO L471 AbstractCegarLoop]: Abstraction has 661 states and 859 transitions. [2025-02-06 14:11:50,853 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 10.8) internal successors, (108), 11 states have internal predecessors, (108), 9 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 9 states have call predecessors, (27), 9 states have call successors, (27) [2025-02-06 14:11:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 661 states and 859 transitions. [2025-02-06 14:11:50,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2025-02-06 14:11:50,853 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:50,853 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:50,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:51,054 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-02-06 14:11:51,054 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:51,054 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:51,054 INFO L85 PathProgramCache]: Analyzing trace with hash -141722729, now seen corresponding path program 1 times [2025-02-06 14:11:51,054 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:51,054 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193220643] [2025-02-06 14:11:51,054 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:51,054 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:51,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 106 statements into 1 equivalence classes. [2025-02-06 14:11:51,062 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 106 of 106 statements. [2025-02-06 14:11:51,062 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:51,062 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:51,105 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-06 14:11:51,105 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:51,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193220643] [2025-02-06 14:11:51,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193220643] provided 1 perfect and 0 imperfect interpolant sequences [2025-02-06 14:11:51,105 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-02-06 14:11:51,105 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-02-06 14:11:51,106 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734536430] [2025-02-06 14:11:51,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-02-06 14:11:51,106 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-02-06 14:11:51,106 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:51,107 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-02-06 14:11:51,107 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2025-02-06 14:11:51,107 INFO L87 Difference]: Start difference. First operand 661 states and 859 transitions. Second operand has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:11:51,238 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:51,238 INFO L93 Difference]: Finished difference Result 661 states and 859 transitions. [2025-02-06 14:11:51,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:51,238 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 106 [2025-02-06 14:11:51,239 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:51,240 INFO L225 Difference]: With dead ends: 661 [2025-02-06 14:11:51,240 INFO L226 Difference]: Without dead ends: 660 [2025-02-06 14:11:51,241 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-02-06 14:11:51,241 INFO L435 NwaCegarLoop]: 54 mSDtfsCounter, 56 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 59 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:51,241 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [59 Valid, 140 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:51,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 660 states. [2025-02-06 14:11:51,280 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 660 to 657. [2025-02-06 14:11:51,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 564 states have (on average 1.2712765957446808) internal successors, (717), 577 states have internal predecessors, (717), 69 states have call successors, (69), 10 states have call predecessors, (69), 10 states have return successors, (69), 69 states have call predecessors, (69), 69 states have call successors, (69) [2025-02-06 14:11:51,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 855 transitions. [2025-02-06 14:11:51,282 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 855 transitions. Word has length 106 [2025-02-06 14:11:51,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:51,282 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 855 transitions. [2025-02-06 14:11:51,282 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 13.25) internal successors, (53), 5 states have internal predecessors, (53), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:11:51,283 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 855 transitions. [2025-02-06 14:11:51,284 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2025-02-06 14:11:51,284 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:51,284 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:51,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2025-02-06 14:11:51,284 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:51,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:51,285 INFO L85 PathProgramCache]: Analyzing trace with hash -98437328, now seen corresponding path program 1 times [2025-02-06 14:11:51,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:51,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [560966824] [2025-02-06 14:11:51,285 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:51,285 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:51,296 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 14:11:51,307 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 14:11:51,307 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:51,307 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:51,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2140565245] [2025-02-06 14:11:51,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:51,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:51,308 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:51,309 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:51,311 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-02-06 14:11:51,332 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 107 statements into 1 equivalence classes. [2025-02-06 14:11:51,349 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 107 of 107 statements. [2025-02-06 14:11:51,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:51,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:51,351 INFO L256 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-02-06 14:11:51,353 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:51,579 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-06 14:11:51,579 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:51,651 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:51,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [560966824] [2025-02-06 14:11:51,651 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:51,651 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2140565245] [2025-02-06 14:11:51,651 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2140565245] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:51,651 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:51,651 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:11:51,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117921852] [2025-02-06 14:11:51,651 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:51,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:51,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:51,652 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:51,652 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:51,652 INFO L87 Difference]: Start difference. First operand 657 states and 855 transitions. Second operand has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:11:51,827 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:51,827 INFO L93 Difference]: Finished difference Result 751 states and 996 transitions. [2025-02-06 14:11:51,827 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:51,827 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 107 [2025-02-06 14:11:51,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:51,829 INFO L225 Difference]: With dead ends: 751 [2025-02-06 14:11:51,829 INFO L226 Difference]: Without dead ends: 742 [2025-02-06 14:11:51,830 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 134 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:51,830 INFO L435 NwaCegarLoop]: 67 mSDtfsCounter, 17 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 275 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 205 SdHoareTripleChecker+Invalid, 276 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 275 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:51,830 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 205 Invalid, 276 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 275 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:51,830 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 742 states. [2025-02-06 14:11:51,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 742 to 685. [2025-02-06 14:11:51,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 685 states, 588 states have (on average 1.2942176870748299) internal successors, (761), 601 states have internal predecessors, (761), 73 states have call successors, (73), 10 states have call predecessors, (73), 10 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-06 14:11:51,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 685 states and 907 transitions. [2025-02-06 14:11:51,871 INFO L78 Accepts]: Start accepts. Automaton has 685 states and 907 transitions. Word has length 107 [2025-02-06 14:11:51,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:51,871 INFO L471 AbstractCegarLoop]: Abstraction has 685 states and 907 transitions. [2025-02-06 14:11:51,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.8) internal successors, (54), 6 states have internal predecessors, (54), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-02-06 14:11:51,871 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 907 transitions. [2025-02-06 14:11:51,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2025-02-06 14:11:51,872 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:51,872 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:51,877 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:52,072 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable34 [2025-02-06 14:11:52,072 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:52,073 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:52,073 INFO L85 PathProgramCache]: Analyzing trace with hash 1986707460, now seen corresponding path program 1 times [2025-02-06 14:11:52,073 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:52,073 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1680555147] [2025-02-06 14:11:52,073 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:52,073 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:52,076 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 14:11:52,081 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 14:11:52,081 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:52,081 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:52,222 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 0 proven. 20 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2025-02-06 14:11:52,222 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:52,222 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1680555147] [2025-02-06 14:11:52,222 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1680555147] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:52,223 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1511433123] [2025-02-06 14:11:52,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:52,223 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:52,223 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:52,224 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:52,226 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-02-06 14:11:52,251 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 110 statements into 1 equivalence classes. [2025-02-06 14:11:52,269 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 110 of 110 statements. [2025-02-06 14:11:52,269 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:52,269 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:52,270 INFO L256 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:11:52,271 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:52,336 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 14:11:52,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:52,433 INFO L134 CoverageAnalysis]: Checked inductivity of 210 backedges. 7 proven. 23 refuted. 0 times theorem prover too weak. 180 trivial. 0 not checked. [2025-02-06 14:11:52,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1511433123] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:52,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:52,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 4, 4] total 12 [2025-02-06 14:11:52,433 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514653612] [2025-02-06 14:11:52,433 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:52,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:11:52,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:52,434 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:11:52,434 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=108, Unknown=0, NotChecked=0, Total=132 [2025-02-06 14:11:52,434 INFO L87 Difference]: Start difference. First operand 685 states and 907 transitions. Second operand has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-02-06 14:11:52,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:52,855 INFO L93 Difference]: Finished difference Result 1168 states and 1575 transitions. [2025-02-06 14:11:52,855 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-02-06 14:11:52,855 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) Word has length 110 [2025-02-06 14:11:52,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:52,858 INFO L225 Difference]: With dead ends: 1168 [2025-02-06 14:11:52,858 INFO L226 Difference]: Without dead ends: 1002 [2025-02-06 14:11:52,859 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 237 GetRequests, 216 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 61 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=97, Invalid=409, Unknown=0, NotChecked=0, Total=506 [2025-02-06 14:11:52,859 INFO L435 NwaCegarLoop]: 92 mSDtfsCounter, 246 mSDsluCounter, 415 mSDsCounter, 0 mSdLazyCounter, 523 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 507 SdHoareTripleChecker+Invalid, 552 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 523 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:52,859 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 507 Invalid, 552 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 523 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-02-06 14:11:52,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1002 states. [2025-02-06 14:11:52,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1002 to 673. [2025-02-06 14:11:52,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 673 states, 577 states have (on average 1.3258232235701906) internal successors, (765), 590 states have internal predecessors, (765), 73 states have call successors, (73), 9 states have call predecessors, (73), 9 states have return successors, (73), 73 states have call predecessors, (73), 73 states have call successors, (73) [2025-02-06 14:11:52,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 673 states and 911 transitions. [2025-02-06 14:11:52,907 INFO L78 Accepts]: Start accepts. Automaton has 673 states and 911 transitions. Word has length 110 [2025-02-06 14:11:52,907 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:52,907 INFO L471 AbstractCegarLoop]: Abstraction has 673 states and 911 transitions. [2025-02-06 14:11:52,907 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 11.416666666666666) internal successors, (137), 12 states have internal predecessors, (137), 6 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 6 states have call predecessors, (22), 6 states have call successors, (22) [2025-02-06 14:11:52,907 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 911 transitions. [2025-02-06 14:11:52,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2025-02-06 14:11:52,908 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:52,908 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:52,914 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:53,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 24 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable35 [2025-02-06 14:11:53,109 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:53,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:53,109 INFO L85 PathProgramCache]: Analyzing trace with hash -685201257, now seen corresponding path program 2 times [2025-02-06 14:11:53,109 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:53,109 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2013365435] [2025-02-06 14:11:53,109 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:53,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:53,113 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-06 14:11:53,128 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 14:11:53,128 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:53,128 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:53,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1716760803] [2025-02-06 14:11:53,129 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:53,129 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:53,129 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:53,131 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:53,132 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-02-06 14:11:53,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 113 statements into 2 equivalence classes. [2025-02-06 14:11:53,174 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 113 of 113 statements. [2025-02-06 14:11:53,175 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:53,175 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:53,175 INFO L256 TraceCheckSpWp]: Trace formula consists of 220 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-02-06 14:11:53,177 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:53,316 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 34 proven. 5 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 14:11:53,316 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:53,686 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:53,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2013365435] [2025-02-06 14:11:53,686 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:53,686 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716760803] [2025-02-06 14:11:53,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716760803] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:53,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:53,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-02-06 14:11:53,687 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1186332089] [2025-02-06 14:11:53,687 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:53,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-02-06 14:11:53,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:53,687 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-02-06 14:11:53,687 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-02-06 14:11:53,687 INFO L87 Difference]: Start difference. First operand 673 states and 911 transitions. Second operand has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:11:53,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:53,885 INFO L93 Difference]: Finished difference Result 1121 states and 1552 transitions. [2025-02-06 14:11:53,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-02-06 14:11:53,886 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 113 [2025-02-06 14:11:53,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:53,888 INFO L225 Difference]: With dead ends: 1121 [2025-02-06 14:11:53,889 INFO L226 Difference]: Without dead ends: 1115 [2025-02-06 14:11:53,889 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2025-02-06 14:11:53,889 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 109 mSDsluCounter, 133 mSDsCounter, 0 mSdLazyCounter, 208 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 113 SdHoareTripleChecker+Valid, 221 SdHoareTripleChecker+Invalid, 224 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 208 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:53,889 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [113 Valid, 221 Invalid, 224 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 208 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:53,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1115 states. [2025-02-06 14:11:53,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1115 to 776. [2025-02-06 14:11:53,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 776 states, 670 states have (on average 1.2582089552238807) internal successors, (843), 681 states have internal predecessors, (843), 85 states have call successors, (85), 9 states have call predecessors, (85), 9 states have return successors, (85), 85 states have call predecessors, (85), 85 states have call successors, (85) [2025-02-06 14:11:53,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 776 states to 776 states and 1013 transitions. [2025-02-06 14:11:53,941 INFO L78 Accepts]: Start accepts. Automaton has 776 states and 1013 transitions. Word has length 113 [2025-02-06 14:11:53,942 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:53,942 INFO L471 AbstractCegarLoop]: Abstraction has 776 states and 1013 transitions. [2025-02-06 14:11:53,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 12.2) internal successors, (61), 6 states have internal predecessors, (61), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:11:53,942 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 1013 transitions. [2025-02-06 14:11:53,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2025-02-06 14:11:53,943 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:53,943 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:53,948 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:54,143 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-02-06 14:11:54,147 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:54,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:54,148 INFO L85 PathProgramCache]: Analyzing trace with hash 233597526, now seen corresponding path program 2 times [2025-02-06 14:11:54,148 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:54,148 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [420742902] [2025-02-06 14:11:54,148 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:54,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:54,152 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-06 14:11:54,167 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 14:11:54,170 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:54,170 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:54,170 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1831872842] [2025-02-06 14:11:54,170 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-02-06 14:11:54,170 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:54,170 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:54,173 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:54,174 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-02-06 14:11:54,198 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 114 statements into 2 equivalence classes. [2025-02-06 14:11:54,221 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 114 of 114 statements. [2025-02-06 14:11:54,222 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-02-06 14:11:54,222 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:54,223 INFO L256 TraceCheckSpWp]: Trace formula consists of 221 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-02-06 14:11:54,224 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:54,343 INFO L134 CoverageAnalysis]: Checked inductivity of 260 backedges. 0 proven. 40 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-02-06 14:11:54,343 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:54,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:54,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [420742902] [2025-02-06 14:11:54,664 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:11:54,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1831872842] [2025-02-06 14:11:54,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1831872842] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:54,664 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:11:54,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-02-06 14:11:54,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540366444] [2025-02-06 14:11:54,664 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:54,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-02-06 14:11:54,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:54,665 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-02-06 14:11:54,665 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:54,665 INFO L87 Difference]: Start difference. First operand 776 states and 1013 transitions. Second operand has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:11:54,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:54,819 INFO L93 Difference]: Finished difference Result 1011 states and 1316 transitions. [2025-02-06 14:11:54,820 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-02-06 14:11:54,820 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 114 [2025-02-06 14:11:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:54,822 INFO L225 Difference]: With dead ends: 1011 [2025-02-06 14:11:54,822 INFO L226 Difference]: Without dead ends: 856 [2025-02-06 14:11:54,823 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 122 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2025-02-06 14:11:54,823 INFO L435 NwaCegarLoop]: 94 mSDtfsCounter, 92 mSDsluCounter, 222 mSDsCounter, 0 mSdLazyCounter, 220 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 101 SdHoareTripleChecker+Valid, 316 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:54,824 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [101 Valid, 316 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 220 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:54,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2025-02-06 14:11:54,887 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 839. [2025-02-06 14:11:54,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 839 states, 725 states have (on average 1.2510344827586206) internal successors, (907), 736 states have internal predecessors, (907), 93 states have call successors, (93), 9 states have call predecessors, (93), 9 states have return successors, (93), 93 states have call predecessors, (93), 93 states have call successors, (93) [2025-02-06 14:11:54,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 839 states and 1093 transitions. [2025-02-06 14:11:54,889 INFO L78 Accepts]: Start accepts. Automaton has 839 states and 1093 transitions. Word has length 114 [2025-02-06 14:11:54,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:54,889 INFO L471 AbstractCegarLoop]: Abstraction has 839 states and 1093 transitions. [2025-02-06 14:11:54,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 10.333333333333334) internal successors, (62), 7 states have internal predecessors, (62), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-02-06 14:11:54,890 INFO L276 IsEmpty]: Start isEmpty. Operand 839 states and 1093 transitions. [2025-02-06 14:11:54,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2025-02-06 14:11:54,890 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:54,890 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:54,896 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-02-06 14:11:55,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-02-06 14:11:55,092 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:55,092 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:55,092 INFO L85 PathProgramCache]: Analyzing trace with hash 563493327, now seen corresponding path program 1 times [2025-02-06 14:11:55,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:55,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086641469] [2025-02-06 14:11:55,092 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:55,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:55,096 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 14:11:55,100 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 14:11:55,101 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:55,101 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:55,240 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:11:55,240 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086641469] [2025-02-06 14:11:55,240 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086641469] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:55,240 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2120380918] [2025-02-06 14:11:55,241 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:55,241 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:55,241 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:55,244 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:55,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-02-06 14:11:55,270 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 133 statements into 1 equivalence classes. [2025-02-06 14:11:55,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 133 of 133 statements. [2025-02-06 14:11:55,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:55,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:55,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-02-06 14:11:55,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:55,400 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 387 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2025-02-06 14:11:55,400 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:55,585 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 0 proven. 75 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2025-02-06 14:11:55,586 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2120380918] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:55,586 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:55,586 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 12, 13] total 25 [2025-02-06 14:11:55,586 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1390372060] [2025-02-06 14:11:55,586 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:55,586 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2025-02-06 14:11:55,586 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:55,586 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2025-02-06 14:11:55,587 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=149, Invalid=501, Unknown=0, NotChecked=0, Total=650 [2025-02-06 14:11:55,587 INFO L87 Difference]: Start difference. First operand 839 states and 1093 transitions. Second operand has 26 states, 25 states have (on average 5.76) internal successors, (144), 26 states have internal predecessors, (144), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-02-06 14:11:56,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:56,022 INFO L93 Difference]: Finished difference Result 1063 states and 1356 transitions. [2025-02-06 14:11:56,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2025-02-06 14:11:56,022 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 5.76) internal successors, (144), 26 states have internal predecessors, (144), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) Word has length 133 [2025-02-06 14:11:56,022 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:56,025 INFO L225 Difference]: With dead ends: 1063 [2025-02-06 14:11:56,025 INFO L226 Difference]: Without dead ends: 1051 [2025-02-06 14:11:56,025 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 624 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=667, Invalid=2195, Unknown=0, NotChecked=0, Total=2862 [2025-02-06 14:11:56,026 INFO L435 NwaCegarLoop]: 59 mSDtfsCounter, 282 mSDsluCounter, 650 mSDsCounter, 0 mSdLazyCounter, 255 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 282 SdHoareTripleChecker+Valid, 709 SdHoareTripleChecker+Invalid, 290 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 255 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:56,026 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [282 Valid, 709 Invalid, 290 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 255 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-02-06 14:11:56,026 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1051 states. [2025-02-06 14:11:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1051 to 1019. [2025-02-06 14:11:56,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1019 states, 888 states have (on average 1.222972972972973) internal successors, (1086), 899 states have internal predecessors, (1086), 105 states have call successors, (105), 14 states have call predecessors, (105), 14 states have return successors, (105), 105 states have call predecessors, (105), 105 states have call successors, (105) [2025-02-06 14:11:56,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 1019 states and 1296 transitions. [2025-02-06 14:11:56,093 INFO L78 Accepts]: Start accepts. Automaton has 1019 states and 1296 transitions. Word has length 133 [2025-02-06 14:11:56,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:56,093 INFO L471 AbstractCegarLoop]: Abstraction has 1019 states and 1296 transitions. [2025-02-06 14:11:56,093 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 5.76) internal successors, (144), 26 states have internal predecessors, (144), 10 states have call successors, (42), 6 states have call predecessors, (42), 6 states have return successors, (42), 10 states have call predecessors, (42), 10 states have call successors, (42) [2025-02-06 14:11:56,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1296 transitions. [2025-02-06 14:11:56,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2025-02-06 14:11:56,094 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:56,094 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:56,101 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-02-06 14:11:56,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-02-06 14:11:56,298 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:56,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:56,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1112892423, now seen corresponding path program 1 times [2025-02-06 14:11:56,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:56,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394003187] [2025-02-06 14:11:56,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:56,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:56,302 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 14:11:56,312 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 14:11:56,313 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:56,313 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:56,490 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:11:56,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:11:56,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394003187] [2025-02-06 14:11:56,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394003187] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:11:56,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1011525329] [2025-02-06 14:11:56,490 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-02-06 14:11:56,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:56,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:56,492 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:56,493 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-02-06 14:11:56,522 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 138 statements into 1 equivalence classes. [2025-02-06 14:11:56,542 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 138 of 138 statements. [2025-02-06 14:11:56,543 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-02-06 14:11:56,543 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:56,544 INFO L256 TraceCheckSpWp]: Trace formula consists of 259 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-02-06 14:11:56,545 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:11:56,730 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:11:56,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:11:57,825 INFO L134 CoverageAnalysis]: Checked inductivity of 368 backedges. 0 proven. 56 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-02-06 14:11:57,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1011525329] provided 0 perfect and 2 imperfect interpolant sequences [2025-02-06 14:11:57,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-02-06 14:11:57,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 7, 7] total 21 [2025-02-06 14:11:57,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1739357202] [2025-02-06 14:11:57,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-02-06 14:11:57,825 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2025-02-06 14:11:57,825 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:11:57,826 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2025-02-06 14:11:57,826 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=164, Invalid=298, Unknown=0, NotChecked=0, Total=462 [2025-02-06 14:11:57,826 INFO L87 Difference]: Start difference. First operand 1019 states and 1296 transitions. Second operand has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:11:58,880 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-02-06 14:11:58,880 INFO L93 Difference]: Finished difference Result 1508 states and 1932 transitions. [2025-02-06 14:11:58,881 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2025-02-06 14:11:58,881 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) Word has length 138 [2025-02-06 14:11:58,881 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-02-06 14:11:58,885 INFO L225 Difference]: With dead ends: 1508 [2025-02-06 14:11:58,885 INFO L226 Difference]: Without dead ends: 1506 [2025-02-06 14:11:58,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 296 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 313 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=447, Invalid=743, Unknown=0, NotChecked=0, Total=1190 [2025-02-06 14:11:58,886 INFO L435 NwaCegarLoop]: 106 mSDtfsCounter, 552 mSDsluCounter, 822 mSDsCounter, 0 mSdLazyCounter, 1018 mSolverCounterSat, 86 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 556 SdHoareTripleChecker+Valid, 928 SdHoareTripleChecker+Invalid, 1104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 86 IncrementalHoareTripleChecker+Valid, 1018 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-02-06 14:11:58,886 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [556 Valid, 928 Invalid, 1104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [86 Valid, 1018 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-02-06 14:11:58,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1506 states. [2025-02-06 14:11:58,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1506 to 1311. [2025-02-06 14:11:58,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1311 states, 1156 states have (on average 1.2249134948096885) internal successors, (1416), 1167 states have internal predecessors, (1416), 129 states have call successors, (129), 14 states have call predecessors, (129), 14 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2025-02-06 14:11:58,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1311 states and 1674 transitions. [2025-02-06 14:11:58,978 INFO L78 Accepts]: Start accepts. Automaton has 1311 states and 1674 transitions. Word has length 138 [2025-02-06 14:11:58,979 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-02-06 14:11:58,979 INFO L471 AbstractCegarLoop]: Abstraction has 1311 states and 1674 transitions. [2025-02-06 14:11:58,979 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 10.285714285714286) internal successors, (216), 22 states have internal predecessors, (216), 12 states have call successors, (39), 1 states have call predecessors, (39), 1 states have return successors, (39), 12 states have call predecessors, (39), 12 states have call successors, (39) [2025-02-06 14:11:58,979 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1674 transitions. [2025-02-06 14:11:58,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2025-02-06 14:11:58,980 INFO L210 NwaCegarLoop]: Found error trace [2025-02-06 14:11:58,980 INFO L218 NwaCegarLoop]: trace histogram [14, 14, 14, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-02-06 14:11:58,986 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-02-06 14:11:59,185 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-02-06 14:11:59,185 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2025-02-06 14:11:59,186 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-02-06 14:11:59,186 INFO L85 PathProgramCache]: Analyzing trace with hash 1295834107, now seen corresponding path program 3 times [2025-02-06 14:11:59,186 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-02-06 14:11:59,186 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [444114961] [2025-02-06 14:11:59,186 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:59,186 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-02-06 14:11:59,192 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 140 statements into 6 equivalence classes. [2025-02-06 14:11:59,217 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) and asserted 140 of 140 statements. [2025-02-06 14:11:59,217 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2025-02-06 14:11:59,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-02-06 14:11:59,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [242968736] [2025-02-06 14:11:59,218 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-02-06 14:11:59,218 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-02-06 14:11:59,218 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 [2025-02-06 14:11:59,220 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-02-06 14:11:59,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate-jdk21/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-02-06 14:11:59,244 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 140 statements into 6 equivalence classes. [2025-02-06 14:11:59,258 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) and asserted 50 of 140 statements. [2025-02-06 14:11:59,258 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2025-02-06 14:11:59,258 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-02-06 14:11:59,259 INFO L256 TraceCheckSpWp]: Trace formula consists of 115 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-02-06 14:11:59,260 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-02-06 14:12:31,784 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 73 proven. 6 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2025-02-06 14:12:31,784 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-02-06 14:12:34,497 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-02-06 14:12:34,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [444114961] [2025-02-06 14:12:34,497 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-02-06 14:12:34,497 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [242968736] [2025-02-06 14:12:34,497 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [242968736] provided 0 perfect and 1 imperfect interpolant sequences [2025-02-06 14:12:34,497 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-02-06 14:12:34,498 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2025-02-06 14:12:34,498 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115000380] [2025-02-06 14:12:34,498 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-02-06 14:12:34,498 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2025-02-06 14:12:34,498 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-02-06 14:12:34,498 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2025-02-06 14:12:34,498 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=77, Invalid=229, Unknown=0, NotChecked=0, Total=306 [2025-02-06 14:12:34,498 INFO L87 Difference]: Start difference. First operand 1311 states and 1674 transitions. Second operand has 12 states, 11 states have (on average 5.181818181818182) internal successors, (57), 12 states have internal predecessors, (57), 2 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 2 states have call successors, (8) [2025-02-06 14:12:37,286 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.65s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:12:41,302 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:12:45,311 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:12:49,323 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-02-06 14:12:53,340 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers []