./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/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 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:36:27,072 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:36:27,116 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:36:27,120 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:36:27,120 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:36:27,135 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:36:27,136 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:36:27,136 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:36:27,137 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:36:27,137 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:36:27,137 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:36:27,138 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:36:27,138 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:36:27,138 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:36:27,138 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:36:27,138 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:36:27,139 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:36:27,140 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:36:27,140 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:36:27,140 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:36:27,140 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:36:27,140 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:36:27,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:36:27,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:36:27,141 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:36:27,141 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:36:27,141 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/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 -> 41e3b99a8739a64ea08b115c1bc63941cba76a5cda04966369ff0f88d0ee65cc [2025-03-17 15:36:27,356 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:36:27,363 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:36:27,365 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:36:27,366 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:36:27,366 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:36:27,368 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2025-03-17 15:36:28,477 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b621242/3c7434804c84438ebb2d98f364209a0c/FLAG0c83cfd86 [2025-03-17 15:36:28,700 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:36:28,701 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/ps3-ll_valuebound5.c [2025-03-17 15:36:28,713 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b621242/3c7434804c84438ebb2d98f364209a0c/FLAG0c83cfd86 [2025-03-17 15:36:29,039 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/c8b621242/3c7434804c84438ebb2d98f364209a0c [2025-03-17 15:36:29,041 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:36:29,042 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:36:29,042 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:36:29,042 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:36:29,045 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:36:29,046 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,046 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7d35347e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29, skipping insertion in model container [2025-03-17 15:36:29,046 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,056 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:36:29,150 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:36:29,156 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:36:29,166 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:36:29,173 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:36:29,174 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29 WrapperNode [2025-03-17 15:36:29,174 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:36:29,175 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:36:29,175 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:36:29,175 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:36:29,178 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,182 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,192 INFO L138 Inliner]: procedures = 14, calls = 11, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 84 [2025-03-17 15:36:29,192 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:36:29,193 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:36:29,193 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:36:29,193 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:36:29,198 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,198 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,199 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,205 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]. [2025-03-17 15:36:29,205 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,205 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,207 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,207 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,207 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,208 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,209 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:36:29,209 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:36:29,209 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:36:29,209 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:36:29,210 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (1/1) ... [2025-03-17 15:36:29,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:36:29,220 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:29,229 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2025-03-17 15:36:29,233 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2025-03-17 15:36:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:36:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:36:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:36:29,246 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:36:29,246 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:36:29,247 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:36:29,283 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:36:29,284 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:36:29,559 INFO L? ?]: Removed 60 outVars from TransFormulas that were not future-live. [2025-03-17 15:36:29,559 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:36:29,571 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:36:29,571 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:36:29,571 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:36:29 BoogieIcfgContainer [2025-03-17 15:36:29,571 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:36:29,573 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:36:29,573 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:36:29,576 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:36:29,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:36:29" (1/3) ... [2025-03-17 15:36:29,576 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cba008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:36:29, skipping insertion in model container [2025-03-17 15:36:29,576 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:36:29" (2/3) ... [2025-03-17 15:36:29,577 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@14cba008 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:36:29, skipping insertion in model container [2025-03-17 15:36:29,577 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:36:29" (3/3) ... [2025-03-17 15:36:29,577 INFO L128 eAbstractionObserver]: Analyzing ICFG ps3-ll_valuebound5.c [2025-03-17 15:36:29,588 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:36:29,589 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG ps3-ll_valuebound5.c that has 2 procedures, 101 locations, 1 initial locations, 1 loop locations, and 44 error locations. [2025-03-17 15:36:29,619 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:36:29,626 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;@c96c998, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:36:29,626 INFO L334 AbstractCegarLoop]: Starting to check reachability of 44 error locations. [2025-03-17 15:36:29,629 INFO L276 IsEmpty]: Start isEmpty. Operand has 101 states, 53 states have (on average 1.9056603773584906) internal successors, (101), 97 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:29,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:36:29,631 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:29,632 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:36:29,632 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:29,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:29,636 INFO L85 PathProgramCache]: Analyzing trace with hash 3908510, now seen corresponding path program 1 times [2025-03-17 15:36:29,640 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:29,641 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1186792802] [2025-03-17 15:36:29,641 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:29,642 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:29,688 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:36:29,701 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:36:29,702 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:29,702 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:29,773 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:29,773 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1186792802] [2025-03-17 15:36:29,774 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1186792802] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:29,774 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:29,774 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:29,775 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1790522138] [2025-03-17 15:36:29,775 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:29,778 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:29,778 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:29,789 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:29,789 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:29,790 INFO L87 Difference]: Start difference. First operand has 101 states, 53 states have (on average 1.9056603773584906) internal successors, (101), 97 states have internal predecessors, (101), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-03-17 15:36:29,967 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:29,967 INFO L93 Difference]: Finished difference Result 264 states and 307 transitions. [2025-03-17 15:36:29,968 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:29,969 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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 4 [2025-03-17 15:36:29,969 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:29,973 INFO L225 Difference]: With dead ends: 264 [2025-03-17 15:36:29,973 INFO L226 Difference]: Without dead ends: 159 [2025-03-17 15:36:29,976 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 [2025-03-17 15:36:29,978 INFO L435 NwaCegarLoop]: 66 mSDtfsCounter, 66 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 68 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:29,978 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [68 Valid, 124 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:29,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2025-03-17 15:36:30,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 121. [2025-03-17 15:36:30,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 121 states, 79 states have (on average 1.7468354430379747) internal successors, (138), 117 states have internal predecessors, (138), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:30,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 142 transitions. [2025-03-17 15:36:30,019 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 142 transitions. Word has length 4 [2025-03-17 15:36:30,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:30,019 INFO L471 AbstractCegarLoop]: Abstraction has 121 states and 142 transitions. [2025-03-17 15:36:30,019 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 2.0) internal successors, (4), 3 states have internal predecessors, (4), 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) [2025-03-17 15:36:30,019 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 142 transitions. [2025-03-17 15:36:30,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2025-03-17 15:36:30,019 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:30,019 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2025-03-17 15:36:30,019 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:36:30,020 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:30,020 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:30,020 INFO L85 PathProgramCache]: Analyzing trace with hash -538887300, now seen corresponding path program 1 times [2025-03-17 15:36:30,020 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:30,020 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [192374720] [2025-03-17 15:36:30,020 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:30,021 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:30,027 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 6 statements into 1 equivalence classes. [2025-03-17 15:36:30,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 6 of 6 statements. [2025-03-17 15:36:30,034 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:30,034 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:30,067 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:30,067 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:30,067 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [192374720] [2025-03-17 15:36:30,067 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [192374720] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:30,067 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:30,067 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:30,067 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593330307] [2025-03-17 15:36:30,067 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:30,069 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:30,069 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:30,069 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:30,069 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:30,069 INFO L87 Difference]: Start difference. First operand 121 states and 142 transitions. Second operand has 3 states, 2 states have (on average 3.0) 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) [2025-03-17 15:36:30,234 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:30,235 INFO L93 Difference]: Finished difference Result 157 states and 171 transitions. [2025-03-17 15:36:30,235 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:30,235 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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 [2025-03-17 15:36:30,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:30,236 INFO L225 Difference]: With dead ends: 157 [2025-03-17 15:36:30,236 INFO L226 Difference]: Without dead ends: 139 [2025-03-17 15:36:30,236 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 [2025-03-17 15:36:30,237 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 40 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 17 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 17 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:30,237 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 67 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [17 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:36:30,238 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2025-03-17 15:36:30,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 133. [2025-03-17 15:36:30,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 91 states have (on average 1.5604395604395604) internal successors, (142), 129 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:30,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2025-03-17 15:36:30,247 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 6 [2025-03-17 15:36:30,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:30,247 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2025-03-17 15:36:30,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.0) internal successors, (6), 3 states have internal predecessors, (6), 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) [2025-03-17 15:36:30,247 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2025-03-17 15:36:30,247 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2025-03-17 15:36:30,247 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:30,247 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:30,248 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:36:30,248 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:30,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:30,248 INFO L85 PathProgramCache]: Analyzing trace with hash -1020591338, now seen corresponding path program 1 times [2025-03-17 15:36:30,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:30,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2074983005] [2025-03-17 15:36:30,248 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:30,248 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:30,254 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 12 statements into 1 equivalence classes. [2025-03-17 15:36:30,264 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 12 of 12 statements. [2025-03-17 15:36:30,264 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:30,264 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:30,330 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:30,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:30,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2074983005] [2025-03-17 15:36:30,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2074983005] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:30,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:30,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:30,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [224666870] [2025-03-17 15:36:30,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:30,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:30,331 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:30,331 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:30,331 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:30,332 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-17 15:36:30,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:30,446 INFO L93 Difference]: Finished difference Result 147 states and 155 transitions. [2025-03-17 15:36:30,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:30,447 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 12 [2025-03-17 15:36:30,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:30,447 INFO L225 Difference]: With dead ends: 147 [2025-03-17 15:36:30,447 INFO L226 Difference]: Without dead ends: 141 [2025-03-17 15:36:30,448 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:30,448 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 80 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 81 SdHoareTripleChecker+Valid, 101 SdHoareTripleChecker+Invalid, 94 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:30,448 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [81 Valid, 101 Invalid, 94 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2025-03-17 15:36:30,452 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 136. [2025-03-17 15:36:30,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 94 states have (on average 1.5106382978723405) internal successors, (142), 132 states have internal predecessors, (142), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:30,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 146 transitions. [2025-03-17 15:36:30,453 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 146 transitions. Word has length 12 [2025-03-17 15:36:30,453 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:30,453 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 146 transitions. [2025-03-17 15:36:30,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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) [2025-03-17 15:36:30,453 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 146 transitions. [2025-03-17 15:36:30,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2025-03-17 15:36:30,453 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:30,454 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:30,454 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2025-03-17 15:36:30,454 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:30,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:30,454 INFO L85 PathProgramCache]: Analyzing trace with hash -1573560363, now seen corresponding path program 1 times [2025-03-17 15:36:30,454 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:30,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [429679784] [2025-03-17 15:36:30,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:30,454 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:30,459 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:36:30,472 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:36:30,472 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:30,472 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:30,473 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2064455285] [2025-03-17 15:36:30,473 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:30,473 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:30,473 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:30,477 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:30,478 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2025-03-17 15:36:30,505 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 13 statements into 1 equivalence classes. [2025-03-17 15:36:30,511 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 13 of 13 statements. [2025-03-17 15:36:30,511 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:30,511 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:30,512 INFO L256 TraceCheckSpWp]: Trace formula consists of 44 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:30,514 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:30,580 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:30,581 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:30,581 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:30,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [429679784] [2025-03-17 15:36:30,581 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:30,581 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2064455285] [2025-03-17 15:36:30,581 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2064455285] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:30,581 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:30,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:30,582 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1142553067] [2025-03-17 15:36:30,582 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:30,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:30,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:30,582 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:30,582 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:30,582 INFO L87 Difference]: Start difference. First operand 136 states and 146 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2025-03-17 15:36:30,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:30,707 INFO L93 Difference]: Finished difference Result 145 states and 147 transitions. [2025-03-17 15:36:30,707 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:30,707 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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 13 [2025-03-17 15:36:30,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:30,708 INFO L225 Difference]: With dead ends: 145 [2025-03-17 15:36:30,708 INFO L226 Difference]: Without dead ends: 121 [2025-03-17 15:36:30,709 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:30,709 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 33 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 116 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 67 SdHoareTripleChecker+Invalid, 121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 116 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:30,711 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 67 Invalid, 121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 116 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:30,711 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2025-03-17 15:36:30,717 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 119. [2025-03-17 15:36:30,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.5454545454545454) internal successors, (119), 115 states have internal predecessors, (119), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:30,720 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 123 transitions. [2025-03-17 15:36:30,720 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 123 transitions. Word has length 13 [2025-03-17 15:36:30,720 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:30,720 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 123 transitions. [2025-03-17 15:36:30,720 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 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) [2025-03-17 15:36:30,720 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 123 transitions. [2025-03-17 15:36:30,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2025-03-17 15:36:30,721 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:30,721 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:30,727 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:36:30,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:30,921 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:30,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:30,922 INFO L85 PathProgramCache]: Analyzing trace with hash -1283626850, now seen corresponding path program 1 times [2025-03-17 15:36:30,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:30,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [204133589] [2025-03-17 15:36:30,922 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:30,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:30,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 28 statements into 1 equivalence classes. [2025-03-17 15:36:30,933 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 28 of 28 statements. [2025-03-17 15:36:30,936 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:30,936 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:30,998 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:30,998 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:30,998 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [204133589] [2025-03-17 15:36:30,998 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [204133589] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:30,998 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:30,998 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:30,998 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1821261169] [2025-03-17 15:36:30,998 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:30,999 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:30,999 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:30,999 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:30,999 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:30,999 INFO L87 Difference]: Start difference. First operand 119 states and 123 transitions. Second operand has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,011 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:31,011 INFO L93 Difference]: Finished difference Result 121 states and 123 transitions. [2025-03-17 15:36:31,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:31,011 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 28 [2025-03-17 15:36:31,011 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:31,012 INFO L225 Difference]: With dead ends: 121 [2025-03-17 15:36:31,012 INFO L226 Difference]: Without dead ends: 119 [2025-03-17 15:36:31,012 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 [2025-03-17 15:36:31,012 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 10 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 173 SdHoareTripleChecker+Invalid, 11 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 10 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:31,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 173 Invalid, 11 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 10 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:31,013 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2025-03-17 15:36:31,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 119. [2025-03-17 15:36:31,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 119 states, 77 states have (on average 1.5194805194805194) internal successors, (117), 115 states have internal predecessors, (117), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:31,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 119 states and 121 transitions. [2025-03-17 15:36:31,020 INFO L78 Accepts]: Start accepts. Automaton has 119 states and 121 transitions. Word has length 28 [2025-03-17 15:36:31,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:31,021 INFO L471 AbstractCegarLoop]: Abstraction has 119 states and 121 transitions. [2025-03-17 15:36:31,021 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.0) internal successors, (26), 3 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,021 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states and 121 transitions. [2025-03-17 15:36:31,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2025-03-17 15:36:31,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:31,021 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:31,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:36:31,021 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:31,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:31,022 INFO L85 PathProgramCache]: Analyzing trace with hash 2036567218, now seen corresponding path program 1 times [2025-03-17 15:36:31,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:31,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1199058029] [2025-03-17 15:36:31,022 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:31,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:31,026 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:36:31,033 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:36:31,033 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:31,033 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:31,033 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [164722335] [2025-03-17 15:36:31,033 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:31,034 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:31,034 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:31,035 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:31,037 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2025-03-17 15:36:31,058 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 33 statements into 1 equivalence classes. [2025-03-17 15:36:31,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 33 of 33 statements. [2025-03-17 15:36:31,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:31,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:31,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 72 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:36:31,070 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:31,124 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:31,124 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:31,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:31,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1199058029] [2025-03-17 15:36:31,124 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:31,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [164722335] [2025-03-17 15:36:31,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [164722335] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:31,124 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:31,124 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:31,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466688948] [2025-03-17 15:36:31,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:31,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:31,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:31,125 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:31,125 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:31,125 INFO L87 Difference]: Start difference. First operand 119 states and 121 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:31,333 INFO L93 Difference]: Finished difference Result 187 states and 202 transitions. [2025-03-17 15:36:31,333 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:31,333 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 33 [2025-03-17 15:36:31,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:31,334 INFO L225 Difference]: With dead ends: 187 [2025-03-17 15:36:31,335 INFO L226 Difference]: Without dead ends: 168 [2025-03-17 15:36:31,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:31,337 INFO L435 NwaCegarLoop]: 49 mSDtfsCounter, 49 mSDsluCounter, 40 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 89 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:31,337 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 89 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:36:31,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-17 15:36:31,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 158. [2025-03-17 15:36:31,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 115 states have (on average 1.4782608695652173) internal successors, (170), 153 states have internal predecessors, (170), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:31,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 176 transitions. [2025-03-17 15:36:31,349 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 176 transitions. Word has length 33 [2025-03-17 15:36:31,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:31,349 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 176 transitions. [2025-03-17 15:36:31,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,349 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 176 transitions. [2025-03-17 15:36:31,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2025-03-17 15:36:31,349 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:31,349 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:31,355 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:31,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2025-03-17 15:36:31,554 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:31,554 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:31,554 INFO L85 PathProgramCache]: Analyzing trace with hash -1363990160, now seen corresponding path program 1 times [2025-03-17 15:36:31,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:31,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1143463976] [2025-03-17 15:36:31,555 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:31,555 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:31,563 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 35 statements into 1 equivalence classes. [2025-03-17 15:36:31,574 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 35 of 35 statements. [2025-03-17 15:36:31,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:31,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:31,657 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:31,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:31,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1143463976] [2025-03-17 15:36:31,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1143463976] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:31,657 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:31,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:31,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1786153441] [2025-03-17 15:36:31,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:31,658 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:31,658 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:31,658 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:31,658 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:31,658 INFO L87 Difference]: Start difference. First operand 158 states and 176 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,734 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:31,734 INFO L93 Difference]: Finished difference Result 159 states and 176 transitions. [2025-03-17 15:36:31,734 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:31,734 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 35 [2025-03-17 15:36:31,735 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:31,735 INFO L225 Difference]: With dead ends: 159 [2025-03-17 15:36:31,735 INFO L226 Difference]: Without dead ends: 158 [2025-03-17 15:36:31,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:31,736 INFO L435 NwaCegarLoop]: 70 mSDtfsCounter, 22 mSDsluCounter, 55 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 61 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:31,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 125 Invalid, 61 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:31,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 158 states. [2025-03-17 15:36:31,739 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 158 to 158. [2025-03-17 15:36:31,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 158 states, 115 states have (on average 1.4695652173913043) internal successors, (169), 153 states have internal predecessors, (169), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:31,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 158 states to 158 states and 175 transitions. [2025-03-17 15:36:31,740 INFO L78 Accepts]: Start accepts. Automaton has 158 states and 175 transitions. Word has length 35 [2025-03-17 15:36:31,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:31,741 INFO L471 AbstractCegarLoop]: Abstraction has 158 states and 175 transitions. [2025-03-17 15:36:31,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,741 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 175 transitions. [2025-03-17 15:36:31,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2025-03-17 15:36:31,741 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:31,741 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:31,741 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2025-03-17 15:36:31,741 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:31,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:31,742 INFO L85 PathProgramCache]: Analyzing trace with hash 665978061, now seen corresponding path program 1 times [2025-03-17 15:36:31,742 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:31,742 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1265939235] [2025-03-17 15:36:31,742 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:31,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:31,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:36:31,760 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:36:31,761 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:31,761 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:31,761 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [518409676] [2025-03-17 15:36:31,761 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:31,761 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:31,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:31,766 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:31,767 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2025-03-17 15:36:31,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 36 statements into 1 equivalence classes. [2025-03-17 15:36:31,794 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 36 of 36 statements. [2025-03-17 15:36:31,794 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:31,794 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:31,795 INFO L256 TraceCheckSpWp]: Trace formula consists of 77 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:31,796 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:31,860 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2025-03-17 15:36:31,860 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:31,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:31,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1265939235] [2025-03-17 15:36:31,860 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:31,860 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [518409676] [2025-03-17 15:36:31,860 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [518409676] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:31,860 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:31,860 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:36:31,860 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1600537206] [2025-03-17 15:36:31,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:31,861 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:36:31,861 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:31,861 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:36:31,861 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:31,861 INFO L87 Difference]: Start difference. First operand 158 states and 175 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:31,904 INFO L93 Difference]: Finished difference Result 158 states and 175 transitions. [2025-03-17 15:36:31,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:31,904 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 36 [2025-03-17 15:36:31,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:31,905 INFO L225 Difference]: With dead ends: 158 [2025-03-17 15:36:31,905 INFO L226 Difference]: Without dead ends: 155 [2025-03-17 15:36:31,905 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 33 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:36:31,906 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 39 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 48 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 62 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 48 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:31,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 62 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 48 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:31,906 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2025-03-17 15:36:31,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 155. [2025-03-17 15:36:31,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 115 states have (on average 1.4260869565217391) internal successors, (164), 150 states have internal predecessors, (164), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:31,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 170 transitions. [2025-03-17 15:36:31,913 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 170 transitions. Word has length 36 [2025-03-17 15:36:31,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:31,913 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 170 transitions. [2025-03-17 15:36:31,913 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:31,913 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 170 transitions. [2025-03-17 15:36:31,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:36:31,913 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:31,914 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:31,920 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2025-03-17 15:36:32,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:32,114 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:32,115 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:32,115 INFO L85 PathProgramCache]: Analyzing trace with hash -829516530, now seen corresponding path program 1 times [2025-03-17 15:36:32,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:32,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348983925] [2025-03-17 15:36:32,115 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:32,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:32,131 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:36:32,136 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:36:32,139 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:32,139 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:32,140 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1202240357] [2025-03-17 15:36:32,140 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:32,140 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:32,140 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:32,164 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:32,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2025-03-17 15:36:32,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:36:32,199 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:36:32,199 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:32,199 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:32,200 INFO L256 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:36:32,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:32,339 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:32,424 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:32,424 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:32,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348983925] [2025-03-17 15:36:32,424 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:32,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1202240357] [2025-03-17 15:36:32,424 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1202240357] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:32,424 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:32,424 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-17 15:36:32,424 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [728815720] [2025-03-17 15:36:32,424 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:32,424 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:36:32,424 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:32,425 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:36:32,425 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:32,425 INFO L87 Difference]: Start difference. First operand 155 states and 170 transitions. Second operand has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:32,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:32,715 INFO L93 Difference]: Finished difference Result 170 states and 186 transitions. [2025-03-17 15:36:32,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:36:32,715 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 37 [2025-03-17 15:36:32,715 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:32,716 INFO L225 Difference]: With dead ends: 170 [2025-03-17 15:36:32,716 INFO L226 Difference]: Without dead ends: 166 [2025-03-17 15:36:32,716 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 74 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:36:32,716 INFO L435 NwaCegarLoop]: 39 mSDtfsCounter, 171 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 409 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 172 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 418 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:32,716 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [172 Valid, 119 Invalid, 418 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 409 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:36:32,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 166 states. [2025-03-17 15:36:32,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 166 to 160. [2025-03-17 15:36:32,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 121 states have (on average 1.3801652892561984) internal successors, (167), 155 states have internal predecessors, (167), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:32,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 173 transitions. [2025-03-17 15:36:32,722 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 173 transitions. Word has length 37 [2025-03-17 15:36:32,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:32,723 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 173 transitions. [2025-03-17 15:36:32,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.285714285714286) internal successors, (65), 8 states have internal predecessors, (65), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:32,723 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 173 transitions. [2025-03-17 15:36:32,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2025-03-17 15:36:32,724 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:32,725 INFO L218 NwaCegarLoop]: trace histogram [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] [2025-03-17 15:36:32,731 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:32,925 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:32,926 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:32,926 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:32,926 INFO L85 PathProgramCache]: Analyzing trace with hash 994100549, now seen corresponding path program 1 times [2025-03-17 15:36:32,926 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:32,926 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [123652255] [2025-03-17 15:36:32,926 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:32,926 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:32,931 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:36:32,948 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:36:32,948 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:32,948 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:32,949 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [542770805] [2025-03-17 15:36:32,949 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:32,949 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:32,949 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:32,951 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:32,952 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2025-03-17 15:36:32,969 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 44 statements into 1 equivalence classes. [2025-03-17 15:36:32,978 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 44 of 44 statements. [2025-03-17 15:36:32,978 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:32,978 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:32,979 INFO L256 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:32,980 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:33,027 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:33,027 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:33,027 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:33,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [123652255] [2025-03-17 15:36:33,027 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:33,027 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [542770805] [2025-03-17 15:36:33,027 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [542770805] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:33,027 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:33,027 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:36:33,028 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [826572687] [2025-03-17 15:36:33,028 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:33,028 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:33,028 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:33,028 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:33,028 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:33,028 INFO L87 Difference]: Start difference. First operand 160 states and 173 transitions. Second operand has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:33,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:33,138 INFO L93 Difference]: Finished difference Result 160 states and 173 transitions. [2025-03-17 15:36:33,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:33,138 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 44 [2025-03-17 15:36:33,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:33,139 INFO L225 Difference]: With dead ends: 160 [2025-03-17 15:36:33,139 INFO L226 Difference]: Without dead ends: 149 [2025-03-17 15:36:33,139 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:33,140 INFO L435 NwaCegarLoop]: 17 mSDtfsCounter, 55 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 122 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 56 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 133 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 122 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:33,140 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [56 Valid, 27 Invalid, 133 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 122 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:33,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2025-03-17 15:36:33,143 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 149. [2025-03-17 15:36:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 121 states have (on average 1.256198347107438) internal successors, (152), 144 states have internal predecessors, (152), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:33,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 158 transitions. [2025-03-17 15:36:33,144 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 158 transitions. Word has length 44 [2025-03-17 15:36:33,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:33,144 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 158 transitions. [2025-03-17 15:36:33,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.5) internal successors, (42), 5 states have internal predecessors, (42), 1 states have call successors, (1), 1 states have call predecessors, (1), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2025-03-17 15:36:33,144 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 158 transitions. [2025-03-17 15:36:33,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:36:33,144 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:33,144 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:33,150 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 15:36:33,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2025-03-17 15:36:33,345 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:33,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:33,345 INFO L85 PathProgramCache]: Analyzing trace with hash 752345990, now seen corresponding path program 1 times [2025-03-17 15:36:33,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:33,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322109323] [2025-03-17 15:36:33,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:33,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:33,349 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:36:33,355 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:36:33,355 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:33,355 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:33,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1830524371] [2025-03-17 15:36:33,355 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:33,355 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:33,355 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:33,360 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:33,362 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2025-03-17 15:36:33,380 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:36:33,389 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:36:33,389 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:33,389 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:33,391 INFO L256 TraceCheckSpWp]: Trace formula consists of 86 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:36:33,392 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:33,493 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:33,493 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:33,593 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2025-03-17 15:36:33,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:33,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322109323] [2025-03-17 15:36:33,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:33,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1830524371] [2025-03-17 15:36:33,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1830524371] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:33,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:33,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2025-03-17 15:36:33,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1174352342] [2025-03-17 15:36:33,594 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:33,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:36:33,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:33,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:36:33,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:33,595 INFO L87 Difference]: Start difference. First operand 149 states and 158 transitions. Second operand has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:33,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:33,891 INFO L93 Difference]: Finished difference Result 164 states and 177 transitions. [2025-03-17 15:36:33,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:36:33,892 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 45 [2025-03-17 15:36:33,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:33,892 INFO L225 Difference]: With dead ends: 164 [2025-03-17 15:36:33,892 INFO L226 Difference]: Without dead ends: 136 [2025-03-17 15:36:33,893 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=41, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:36:33,893 INFO L435 NwaCegarLoop]: 21 mSDtfsCounter, 72 mSDsluCounter, 57 mSDsCounter, 0 mSdLazyCounter, 392 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 78 SdHoareTripleChecker+Invalid, 405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 392 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:33,893 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 78 Invalid, 405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 392 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:36:33,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2025-03-17 15:36:33,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 134. [2025-03-17 15:36:33,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 111 states have (on average 1.2342342342342343) internal successors, (137), 129 states have internal predecessors, (137), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:33,898 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 143 transitions. [2025-03-17 15:36:33,898 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 143 transitions. Word has length 45 [2025-03-17 15:36:33,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:33,898 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 143 transitions. [2025-03-17 15:36:33,898 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 11.571428571428571) internal successors, (81), 8 states have internal predecessors, (81), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:33,898 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 143 transitions. [2025-03-17 15:36:33,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2025-03-17 15:36:33,899 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:33,899 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:33,904 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:34,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:34,103 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:34,103 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:34,103 INFO L85 PathProgramCache]: Analyzing trace with hash -352391987, now seen corresponding path program 1 times [2025-03-17 15:36:34,103 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:34,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2352871] [2025-03-17 15:36:34,103 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:34,103 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:34,107 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:36:34,111 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:36:34,111 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:34,111 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:34,165 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:34,166 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2352871] [2025-03-17 15:36:34,166 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2352871] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:34,166 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770488436] [2025-03-17 15:36:34,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:34,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:34,167 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:34,168 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:34,170 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2025-03-17 15:36:34,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 60 statements into 1 equivalence classes. [2025-03-17 15:36:34,201 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 60 of 60 statements. [2025-03-17 15:36:34,201 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:34,201 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:34,201 INFO L256 TraceCheckSpWp]: Trace formula consists of 105 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:34,202 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:34,256 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:34,256 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:34,257 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1770488436] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:34,257 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:36:34,257 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:36:34,257 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33713983] [2025-03-17 15:36:34,257 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:34,257 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:34,257 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:34,258 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:34,258 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:34,258 INFO L87 Difference]: Start difference. First operand 134 states and 143 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:34,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:34,271 INFO L93 Difference]: Finished difference Result 134 states and 143 transitions. [2025-03-17 15:36:34,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:34,272 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 60 [2025-03-17 15:36:34,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:34,272 INFO L225 Difference]: With dead ends: 134 [2025-03-17 15:36:34,272 INFO L226 Difference]: Without dead ends: 133 [2025-03-17 15:36:34,273 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 62 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:34,273 INFO L435 NwaCegarLoop]: 82 mSDtfsCounter, 25 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:34,273 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 124 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:34,274 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2025-03-17 15:36:34,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 133. [2025-03-17 15:36:34,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 111 states have (on average 1.2162162162162162) internal successors, (135), 128 states have internal predecessors, (135), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2025-03-17 15:36:34,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 141 transitions. [2025-03-17 15:36:34,277 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 141 transitions. Word has length 60 [2025-03-17 15:36:34,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:34,277 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 141 transitions. [2025-03-17 15:36:34,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:34,277 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 141 transitions. [2025-03-17 15:36:34,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2025-03-17 15:36:34,278 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:34,278 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:36:34,286 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:34,478 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:34,478 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:34,479 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:34,479 INFO L85 PathProgramCache]: Analyzing trace with hash 1960750311, now seen corresponding path program 1 times [2025-03-17 15:36:34,479 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:34,479 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [188916101] [2025-03-17 15:36:34,479 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:34,479 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:34,483 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:36:34,486 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:36:34,486 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:34,486 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:34,524 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:34,524 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:34,524 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [188916101] [2025-03-17 15:36:34,525 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [188916101] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:34,525 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [890994707] [2025-03-17 15:36:34,526 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:34,526 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:34,526 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:34,527 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:34,529 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2025-03-17 15:36:34,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 61 statements into 1 equivalence classes. [2025-03-17 15:36:34,558 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 61 of 61 statements. [2025-03-17 15:36:34,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:34,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:34,559 INFO L256 TraceCheckSpWp]: Trace formula consists of 106 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:36:34,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:34,621 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:34,621 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:34,677 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:34,677 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [890994707] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:34,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:36:34,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:36:34,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863659947] [2025-03-17 15:36:34,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:34,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:36:34,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:34,679 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:36:34,679 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:34,679 INFO L87 Difference]: Start difference. First operand 133 states and 141 transitions. Second operand has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 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) [2025-03-17 15:36:34,706 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:34,706 INFO L93 Difference]: Finished difference Result 193 states and 201 transitions. [2025-03-17 15:36:34,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:36:34,707 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 5 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Word has length 61 [2025-03-17 15:36:34,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:34,707 INFO L225 Difference]: With dead ends: 193 [2025-03-17 15:36:34,707 INFO L226 Difference]: Without dead ends: 192 [2025-03-17 15:36:34,708 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:34,708 INFO L435 NwaCegarLoop]: 63 mSDtfsCounter, 32 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 32 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:34,708 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [32 Valid, 280 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:34,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2025-03-17 15:36:34,712 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 173. [2025-03-17 15:36:34,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 149 states have (on average 1.261744966442953) internal successors, (188), 166 states have internal predecessors, (188), 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) [2025-03-17 15:36:34,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 198 transitions. [2025-03-17 15:36:34,713 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 198 transitions. Word has length 61 [2025-03-17 15:36:34,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:34,713 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 198 transitions. [2025-03-17 15:36:34,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 20.833333333333332) internal successors, (125), 7 states have internal predecessors, (125), 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) [2025-03-17 15:36:34,713 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 198 transitions. [2025-03-17 15:36:34,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2025-03-17 15:36:34,714 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:34,714 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:34,720 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2025-03-17 15:36:34,918 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2025-03-17 15:36:34,918 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:34,918 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:34,918 INFO L85 PathProgramCache]: Analyzing trace with hash -810720678, now seen corresponding path program 1 times [2025-03-17 15:36:34,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:34,919 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58031105] [2025-03-17 15:36:34,919 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:34,919 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:34,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 70 statements into 1 equivalence classes. [2025-03-17 15:36:34,927 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 70 of 70 statements. [2025-03-17 15:36:34,927 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:34,927 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:34,975 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2025-03-17 15:36:34,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:34,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58031105] [2025-03-17 15:36:34,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58031105] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:34,976 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:34,976 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:34,976 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1769117614] [2025-03-17 15:36:34,976 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:34,976 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:34,976 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:34,976 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:34,976 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:34,977 INFO L87 Difference]: Start difference. First operand 173 states and 198 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,028 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:35,029 INFO L93 Difference]: Finished difference Result 173 states and 198 transitions. [2025-03-17 15:36:35,029 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:36:35,029 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 70 [2025-03-17 15:36:35,029 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:35,030 INFO L225 Difference]: With dead ends: 173 [2025-03-17 15:36:35,030 INFO L226 Difference]: Without dead ends: 168 [2025-03-17 15:36:35,030 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:35,030 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 36 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 68 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 37 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 68 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:35,030 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [37 Valid, 28 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 68 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:35,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 168 states. [2025-03-17 15:36:35,034 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 168 to 168. [2025-03-17 15:36:35,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 168 states, 149 states have (on average 1.1946308724832215) internal successors, (178), 161 states have internal predecessors, (178), 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) [2025-03-17 15:36:35,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 168 states and 188 transitions. [2025-03-17 15:36:35,035 INFO L78 Accepts]: Start accepts. Automaton has 168 states and 188 transitions. Word has length 70 [2025-03-17 15:36:35,035 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:35,035 INFO L471 AbstractCegarLoop]: Abstraction has 168 states and 188 transitions. [2025-03-17 15:36:35,035 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,035 INFO L276 IsEmpty]: Start isEmpty. Operand 168 states and 188 transitions. [2025-03-17 15:36:35,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2025-03-17 15:36:35,036 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:35,036 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:35,036 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2025-03-17 15:36:35,036 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:35,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:35,036 INFO L85 PathProgramCache]: Analyzing trace with hash 637462813, now seen corresponding path program 1 times [2025-03-17 15:36:35,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:35,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [317669021] [2025-03-17 15:36:35,036 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:35,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:35,040 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 71 statements into 1 equivalence classes. [2025-03-17 15:36:35,043 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 71 of 71 statements. [2025-03-17 15:36:35,043 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:35,043 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:35,074 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2025-03-17 15:36:35,074 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:35,074 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [317669021] [2025-03-17 15:36:35,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [317669021] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:35,074 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:35,074 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:36:35,074 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2028171913] [2025-03-17 15:36:35,075 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:35,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:36:35,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:35,075 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:36:35,075 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:35,075 INFO L87 Difference]: Start difference. First operand 168 states and 188 transitions. Second operand has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:35,122 INFO L93 Difference]: Finished difference Result 168 states and 188 transitions. [2025-03-17 15:36:35,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:36:35,122 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 71 [2025-03-17 15:36:35,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:35,123 INFO L225 Difference]: With dead ends: 168 [2025-03-17 15:36:35,123 INFO L226 Difference]: Without dead ends: 167 [2025-03-17 15:36:35,123 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:36:35,123 INFO L435 NwaCegarLoop]: 18 mSDtfsCounter, 53 mSDsluCounter, 5 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 53 SdHoareTripleChecker+Valid, 23 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:35,123 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [53 Valid, 23 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:36:35,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2025-03-17 15:36:35,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 167. [2025-03-17 15:36:35,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 167 states, 149 states have (on average 1.174496644295302) internal successors, (175), 160 states have internal predecessors, (175), 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) [2025-03-17 15:36:35,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 185 transitions. [2025-03-17 15:36:35,132 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 185 transitions. Word has length 71 [2025-03-17 15:36:35,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:35,132 INFO L471 AbstractCegarLoop]: Abstraction has 167 states and 185 transitions. [2025-03-17 15:36:35,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.666666666666668) internal successors, (53), 4 states have internal predecessors, (53), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,132 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 185 transitions. [2025-03-17 15:36:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2025-03-17 15:36:35,132 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:35,132 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2025-03-17 15:36:35,133 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:36:35,133 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:35,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:35,133 INFO L85 PathProgramCache]: Analyzing trace with hash -1578558341, now seen corresponding path program 1 times [2025-03-17 15:36:35,133 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:35,133 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1976484612] [2025-03-17 15:36:35,133 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:35,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:35,137 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:36:35,141 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:36:35,141 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:35,141 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:35,208 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-17 15:36:35,208 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:35,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1976484612] [2025-03-17 15:36:35,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1976484612] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:35,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718396562] [2025-03-17 15:36:35,209 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:35,209 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:35,209 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:35,211 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:35,212 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2025-03-17 15:36:35,233 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 73 statements into 1 equivalence classes. [2025-03-17 15:36:35,245 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 73 of 73 statements. [2025-03-17 15:36:35,245 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:35,245 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:35,246 INFO L256 TraceCheckSpWp]: Trace formula consists of 124 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:35,247 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:35,289 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 35 proven. 4 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2025-03-17 15:36:35,290 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:35,385 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718396562] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:35,385 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:35,385 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 4 [2025-03-17 15:36:35,385 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870131206] [2025-03-17 15:36:35,385 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:35,386 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:35,386 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:35,386 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:35,386 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:36:35,386 INFO L87 Difference]: Start difference. First operand 167 states and 185 transitions. Second operand has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:35,462 INFO L93 Difference]: Finished difference Result 167 states and 185 transitions. [2025-03-17 15:36:35,464 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:35,465 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 73 [2025-03-17 15:36:35,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:35,465 INFO L225 Difference]: With dead ends: 167 [2025-03-17 15:36:35,466 INFO L226 Difference]: Without dead ends: 156 [2025-03-17 15:36:35,466 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 94 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:36:35,467 INFO L435 NwaCegarLoop]: 16 mSDtfsCounter, 89 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 26 SdHoareTripleChecker+Invalid, 75 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:35,467 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 26 Invalid, 75 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:35,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2025-03-17 15:36:35,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2025-03-17 15:36:35,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 142 states have (on average 1.1267605633802817) internal successors, (160), 149 states have internal predecessors, (160), 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) [2025-03-17 15:36:35,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 170 transitions. [2025-03-17 15:36:35,476 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 170 transitions. Word has length 73 [2025-03-17 15:36:35,477 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:35,477 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 170 transitions. [2025-03-17 15:36:35,477 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.5) internal successors, (66), 5 states have internal predecessors, (66), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,477 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 170 transitions. [2025-03-17 15:36:35,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2025-03-17 15:36:35,477 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:35,477 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2025-03-17 15:36:35,483 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:35,678 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable15 [2025-03-17 15:36:35,678 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr37ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:35,678 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:35,679 INFO L85 PathProgramCache]: Analyzing trace with hash -1690668266, now seen corresponding path program 1 times [2025-03-17 15:36:35,679 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:35,679 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1541818334] [2025-03-17 15:36:35,679 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:35,679 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:35,684 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 15:36:35,696 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:36:35,697 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:35,697 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:35,698 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [493662067] [2025-03-17 15:36:35,698 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:35,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:35,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:35,700 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:35,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2025-03-17 15:36:35,723 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 74 statements into 1 equivalence classes. [2025-03-17 15:36:35,736 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 74 of 74 statements. [2025-03-17 15:36:35,736 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:35,736 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:35,737 INFO L256 TraceCheckSpWp]: Trace formula consists of 125 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:35,739 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:35,804 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:35,804 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:36:35,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:35,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1541818334] [2025-03-17 15:36:35,804 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:35,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [493662067] [2025-03-17 15:36:35,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [493662067] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:36:35,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:36:35,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:36:35,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1332540892] [2025-03-17 15:36:35,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:36:35,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:35,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:35,805 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:35,806 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:35,806 INFO L87 Difference]: Start difference. First operand 156 states and 170 transitions. Second operand has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:35,884 INFO L93 Difference]: Finished difference Result 156 states and 170 transitions. [2025-03-17 15:36:35,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:35,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 74 [2025-03-17 15:36:35,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:35,885 INFO L225 Difference]: With dead ends: 156 [2025-03-17 15:36:35,885 INFO L226 Difference]: Without dead ends: 147 [2025-03-17 15:36:35,885 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:36:35,885 INFO L435 NwaCegarLoop]: 32 mSDtfsCounter, 43 mSDsluCounter, 17 mSDsCounter, 0 mSdLazyCounter, 117 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 118 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 117 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:35,885 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 49 Invalid, 118 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 117 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:35,886 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-03-17 15:36:35,890 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-03-17 15:36:35,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 135 states have (on average 1.0888888888888888) internal successors, (147), 140 states have internal predecessors, (147), 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) [2025-03-17 15:36:35,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 157 transitions. [2025-03-17 15:36:35,892 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 157 transitions. Word has length 74 [2025-03-17 15:36:35,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:35,892 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 157 transitions. [2025-03-17 15:36:35,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 16.75) internal successors, (67), 5 states have internal predecessors, (67), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:35,892 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 157 transitions. [2025-03-17 15:36:35,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2025-03-17 15:36:35,892 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:35,892 INFO L218 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2025-03-17 15:36:35,898 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2025-03-17 15:36:36,097 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2025-03-17 15:36:36,097 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:36,097 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:36,098 INFO L85 PathProgramCache]: Analyzing trace with hash -871108647, now seen corresponding path program 1 times [2025-03-17 15:36:36,098 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:36,098 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [972399374] [2025-03-17 15:36:36,098 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:36,098 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:36,103 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:36:36,112 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:36:36,113 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:36,113 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:36,114 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023568784] [2025-03-17 15:36:36,114 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:36,114 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:36,114 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:36,119 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:36,120 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2025-03-17 15:36:36,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 75 statements into 1 equivalence classes. [2025-03-17 15:36:36,153 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 75 of 75 statements. [2025-03-17 15:36:36,153 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:36,153 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:36,153 INFO L256 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:36:36,154 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:36,224 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2025-03-17 15:36:36,224 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:36,292 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:36,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [972399374] [2025-03-17 15:36:36,292 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:36,292 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023568784] [2025-03-17 15:36:36,292 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023568784] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:36:36,292 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:36:36,292 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:36:36,293 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [367379685] [2025-03-17 15:36:36,293 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:36,293 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:36:36,293 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:36,293 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:36:36,293 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:36,293 INFO L87 Difference]: Start difference. First operand 147 states and 157 transitions. Second operand has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:36,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:36,380 INFO L93 Difference]: Finished difference Result 148 states and 157 transitions. [2025-03-17 15:36:36,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:36:36,381 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Word has length 75 [2025-03-17 15:36:36,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:36,381 INFO L225 Difference]: With dead ends: 148 [2025-03-17 15:36:36,381 INFO L226 Difference]: Without dead ends: 147 [2025-03-17 15:36:36,382 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:36:36,382 INFO L435 NwaCegarLoop]: 19 mSDtfsCounter, 15 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 100 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 49 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 100 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:36,382 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 49 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 100 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:36:36,382 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2025-03-17 15:36:36,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 147. [2025-03-17 15:36:36,386 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 135 states have (on average 1.0814814814814815) internal successors, (146), 140 states have internal predecessors, (146), 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) [2025-03-17 15:36:36,387 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 156 transitions. [2025-03-17 15:36:36,387 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 156 transitions. Word has length 75 [2025-03-17 15:36:36,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:36,387 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 156 transitions. [2025-03-17 15:36:36,387 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 17.0) internal successors, (68), 5 states have internal predecessors, (68), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2025-03-17 15:36:36,387 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 156 transitions. [2025-03-17 15:36:36,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2025-03-17 15:36:36,387 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:36,387 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:36:36,393 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2025-03-17 15:36:36,588 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 15:36:36,588 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr20ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:36,588 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:36,588 INFO L85 PathProgramCache]: Analyzing trace with hash -428602604, now seen corresponding path program 1 times [2025-03-17 15:36:36,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:36,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1836745803] [2025-03-17 15:36:36,588 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:36,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:36,593 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:36:36,603 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:36:36,603 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:36,603 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:36,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [690393561] [2025-03-17 15:36:36,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:36,604 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:36,604 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:36,605 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:36,609 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2025-03-17 15:36:36,630 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 97 statements into 1 equivalence classes. [2025-03-17 15:36:36,647 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 97 of 97 statements. [2025-03-17 15:36:36,647 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:36,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:36,649 INFO L256 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:36:36,650 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:36,736 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:36,736 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:36,890 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 80 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:36,890 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1836745803] [2025-03-17 15:36:36,890 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:36,890 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [690393561] [2025-03-17 15:36:36,890 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [690393561] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:36,890 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:36,890 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:36:36,890 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240802712] [2025-03-17 15:36:36,890 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:36,891 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:36:36,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:36,892 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:36:36,892 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:36:36,892 INFO L87 Difference]: Start difference. First operand 147 states and 156 transitions. Second operand has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:37,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:37,105 INFO L93 Difference]: Finished difference Result 162 states and 171 transitions. [2025-03-17 15:36:37,111 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:36:37,112 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 97 [2025-03-17 15:36:37,112 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:37,113 INFO L225 Difference]: With dead ends: 162 [2025-03-17 15:36:37,113 INFO L226 Difference]: Without dead ends: 160 [2025-03-17 15:36:37,113 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:36:37,113 INFO L435 NwaCegarLoop]: 36 mSDtfsCounter, 105 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 383 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 106 SdHoareTripleChecker+Valid, 147 SdHoareTripleChecker+Invalid, 388 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 383 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:37,113 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [106 Valid, 147 Invalid, 388 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 383 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:36:37,114 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2025-03-17 15:36:37,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 146. [2025-03-17 15:36:37,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 135 states have (on average 1.0592592592592593) internal successors, (143), 139 states have internal predecessors, (143), 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) [2025-03-17 15:36:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 153 transitions. [2025-03-17 15:36:37,119 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 153 transitions. Word has length 97 [2025-03-17 15:36:37,119 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:37,120 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 153 transitions. [2025-03-17 15:36:37,120 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.333333333333332) internal successors, (165), 10 states have internal predecessors, (165), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:37,120 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 153 transitions. [2025-03-17 15:36:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2025-03-17 15:36:37,120 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:37,120 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2025-03-17 15:36:37,126 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2025-03-17 15:36:37,325 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:37,326 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:37,326 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:37,326 INFO L85 PathProgramCache]: Analyzing trace with hash 429758290, now seen corresponding path program 1 times [2025-03-17 15:36:37,326 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:37,326 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58383350] [2025-03-17 15:36:37,326 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:37,326 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:37,331 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:36:37,344 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:36:37,344 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:37,344 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:37,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1026825005] [2025-03-17 15:36:37,345 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:36:37,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:37,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:37,347 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:37,348 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2025-03-17 15:36:37,368 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 99 statements into 1 equivalence classes. [2025-03-17 15:36:37,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 99 of 99 statements. [2025-03-17 15:36:37,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:36:37,387 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:37,389 INFO L256 TraceCheckSpWp]: Trace formula consists of 158 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:36:37,390 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:37,629 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:37,629 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:37,829 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 84 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:36:37,829 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:37,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58383350] [2025-03-17 15:36:37,829 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:37,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1026825005] [2025-03-17 15:36:37,830 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1026825005] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:37,830 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:37,830 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7] total 13 [2025-03-17 15:36:37,830 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1884941681] [2025-03-17 15:36:37,830 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:37,830 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2025-03-17 15:36:37,830 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:37,831 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2025-03-17 15:36:37,831 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=110, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:36:37,831 INFO L87 Difference]: Start difference. First operand 146 states and 153 transitions. Second operand has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:38,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:38,212 INFO L93 Difference]: Finished difference Result 211 states and 228 transitions. [2025-03-17 15:36:38,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:36:38,212 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 99 [2025-03-17 15:36:38,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:38,213 INFO L225 Difference]: With dead ends: 211 [2025-03-17 15:36:38,213 INFO L226 Difference]: Without dead ends: 210 [2025-03-17 15:36:38,214 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 200 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=129, Invalid=177, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:36:38,214 INFO L435 NwaCegarLoop]: 23 mSDtfsCounter, 115 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 545 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 115 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 558 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 545 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:38,214 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [115 Valid, 119 Invalid, 558 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 545 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:36:38,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 210 states. [2025-03-17 15:36:38,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 210 to 208. [2025-03-17 15:36:38,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 195 states have (on average 1.0769230769230769) internal successors, (210), 199 states have internal predecessors, (210), 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) [2025-03-17 15:36:38,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 224 transitions. [2025-03-17 15:36:38,221 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 224 transitions. Word has length 99 [2025-03-17 15:36:38,221 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:38,221 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 224 transitions. [2025-03-17 15:36:38,221 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 13.0) internal successors, (169), 14 states have internal predecessors, (169), 6 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:38,221 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 224 transitions. [2025-03-17 15:36:38,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2025-03-17 15:36:38,222 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:38,222 INFO L218 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:36:38,228 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2025-03-17 15:36:38,426 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2025-03-17 15:36:38,426 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:38,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:38,426 INFO L85 PathProgramCache]: Analyzing trace with hash 680858224, now seen corresponding path program 2 times [2025-03-17 15:36:38,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:38,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1031732473] [2025-03-17 15:36:38,426 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:38,427 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:38,433 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-03-17 15:36:38,447 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:36:38,448 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:38,448 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:38,448 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1904925023] [2025-03-17 15:36:38,448 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:38,448 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:38,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:38,452 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:38,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2025-03-17 15:36:38,475 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 101 statements into 2 equivalence classes. [2025-03-17 15:36:38,490 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 101 of 101 statements. [2025-03-17 15:36:38,490 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:38,490 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:38,494 INFO L256 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 22 conjuncts are in the unsatisfiable core [2025-03-17 15:36:38,495 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:38,733 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:36:38,733 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:39,364 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 6 proven. 90 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:36:39,364 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:36:39,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1031732473] [2025-03-17 15:36:39,364 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:36:39,364 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1904925023] [2025-03-17 15:36:39,364 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1904925023] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:36:39,364 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:36:39,364 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 11] total 19 [2025-03-17 15:36:39,365 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632462205] [2025-03-17 15:36:39,365 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:36:39,365 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2025-03-17 15:36:39,365 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:36:39,365 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2025-03-17 15:36:39,366 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=101, Invalid=279, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:36:39,366 INFO L87 Difference]: Start difference. First operand 208 states and 224 transitions. Second operand has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:40,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:36:40,324 INFO L93 Difference]: Finished difference Result 245 states and 263 transitions. [2025-03-17 15:36:40,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2025-03-17 15:36:40,325 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) Word has length 101 [2025-03-17 15:36:40,325 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:36:40,326 INFO L225 Difference]: With dead ends: 245 [2025-03-17 15:36:40,326 INFO L226 Difference]: Without dead ends: 243 [2025-03-17 15:36:40,326 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 212 GetRequests, 182 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 119 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=291, Invalid=701, Unknown=0, NotChecked=0, Total=992 [2025-03-17 15:36:40,326 INFO L435 NwaCegarLoop]: 22 mSDtfsCounter, 244 mSDsluCounter, 170 mSDsCounter, 0 mSdLazyCounter, 1086 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 192 SdHoareTripleChecker+Invalid, 1112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1086 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:36:40,327 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 192 Invalid, 1112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1086 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:36:40,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 243 states. [2025-03-17 15:36:40,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 243 to 238. [2025-03-17 15:36:40,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 238 states, 224 states have (on average 1.0669642857142858) internal successors, (239), 228 states have internal predecessors, (239), 8 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2025-03-17 15:36:40,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 238 states and 255 transitions. [2025-03-17 15:36:40,334 INFO L78 Accepts]: Start accepts. Automaton has 238 states and 255 transitions. Word has length 101 [2025-03-17 15:36:40,334 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:36:40,334 INFO L471 AbstractCegarLoop]: Abstraction has 238 states and 255 transitions. [2025-03-17 15:36:40,334 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 19 states have (on average 9.368421052631579) internal successors, (178), 20 states have internal predecessors, (178), 6 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2025-03-17 15:36:40,334 INFO L276 IsEmpty]: Start isEmpty. Operand 238 states and 255 transitions. [2025-03-17 15:36:40,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2025-03-17 15:36:40,335 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:36:40,335 INFO L218 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:36:40,341 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2025-03-17 15:36:40,535 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:40,535 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr34ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 41 more)] === [2025-03-17 15:36:40,536 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:36:40,536 INFO L85 PathProgramCache]: Analyzing trace with hash 1296293608, now seen corresponding path program 2 times [2025-03-17 15:36:40,536 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:36:40,536 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [397267931] [2025-03-17 15:36:40,536 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:40,536 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:36:40,540 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-17 15:36:40,552 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:36:40,552 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:40,552 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:36:40,552 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1534206206] [2025-03-17 15:36:40,552 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:36:40,552 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:36:40,553 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:36:40,555 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:36:40,556 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2025-03-17 15:36:40,575 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 109 statements into 2 equivalence classes. [2025-03-17 15:36:40,593 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 109 of 109 statements. [2025-03-17 15:36:40,593 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:36:40,593 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:36:40,594 INFO L256 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 16 conjuncts are in the unsatisfiable core [2025-03-17 15:36:40,595 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:36:40,730 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 6 proven. 114 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2025-03-17 15:36:40,730 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:36:48,822 WARN L851 $PredicateComparison]: unable to prove that (let ((.cse0 (+ |c_ULTIMATE.start_main_~y~0#1| (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 2) (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| 3)))) (or (not (= (mod .cse0 6) 0)) (< (+ (* (div .cse0 6) 3) (* |c_ULTIMATE.start_main_~y~0#1| 3)) (+ 4611686018427387902 (* |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1| |c_ULTIMATE.start_main_~y~0#1|))))) is different from false [2025-03-17 15:36:56,843 WARN L286 SmtUtils]: Spent 8.00s on a formula simplification that was a NOOP. DAG size: 4 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify) [2025-03-17 15:37:04,856 WARN L286 SmtUtils]: Spent 8.01s on a formula simplification that was a NOOP. DAG size: 10 (called from [L 728] de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher.simplify)