./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.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/cohencu-ll_valuebound2.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 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:08:57,249 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:08:57,299 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:08:57,304 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:08:57,305 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:08:57,321 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:08:57,323 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:08:57,323 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:08:57,323 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:08:57,323 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:08:57,324 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:08:57,324 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:08:57,324 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:08:57,325 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:08:57,325 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:08:57,325 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:08:57,325 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:08:57,325 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:08:57,325 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:08:57,325 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:08:57,326 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:08:57,326 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:08:57,327 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:08:57,327 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:08:57,328 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:08:57,328 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:08:57,328 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:08:57,328 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:08:57,328 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:08:57,328 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 -> 942b28ff7c0583b7db8395d2c315e70afc8fe68ba69d39faf867ac75d7628edb [2025-03-17 15:08:57,522 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:08:57,529 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:08:57,530 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:08:57,531 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:08:57,531 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:08:57,532 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2025-03-17 15:08:58,601 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc4e7452/f801389cff6947f1b1c7fd7273738fb9/FLAG3899c08f9 [2025-03-17 15:08:58,798 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:08:58,798 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound2.c [2025-03-17 15:08:58,803 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc4e7452/f801389cff6947f1b1c7fd7273738fb9/FLAG3899c08f9 [2025-03-17 15:08:59,164 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/bfc4e7452/f801389cff6947f1b1c7fd7273738fb9 [2025-03-17 15:08:59,167 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:08:59,169 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:08:59,170 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:08:59,170 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:08:59,173 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:08:59,174 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,174 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@24bab302 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59, skipping insertion in model container [2025-03-17 15:08:59,175 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,183 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:08:59,303 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:08:59,310 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:08:59,330 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:08:59,343 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:08:59,344 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59 WrapperNode [2025-03-17 15:08:59,344 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:08:59,345 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:08:59,345 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:08:59,345 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:08:59,349 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,356 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,384 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-03-17 15:08:59,384 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:08:59,385 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:08:59,385 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:08:59,385 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:08:59,393 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,393 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,398 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,414 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 15:08:59,415 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,415 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,421 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,422 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,423 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,427 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,433 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:08:59,434 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:08:59,434 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:08:59,434 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:08:59,435 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (1/1) ... [2025-03-17 15:08:59,440 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:08:59,448 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:08:59,462 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 15:08:59,464 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 15:08:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:08:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:08:59,482 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:08:59,482 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:08:59,483 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:08:59,483 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:08:59,522 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:08:59,523 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:09:00,110 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2025-03-17 15:09:00,110 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:09:00,124 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:09:00,126 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:09:00,126 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:09:00 BoogieIcfgContainer [2025-03-17 15:09:00,126 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:09:00,128 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:09:00,129 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:09:00,132 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:09:00,132 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:08:59" (1/3) ... [2025-03-17 15:09:00,133 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f34c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:09:00, skipping insertion in model container [2025-03-17 15:09:00,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:08:59" (2/3) ... [2025-03-17 15:09:00,134 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@45f34c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:09:00, skipping insertion in model container [2025-03-17 15:09:00,134 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:09:00" (3/3) ... [2025-03-17 15:09:00,135 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound2.c [2025-03-17 15:09:00,146 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:09:00,148 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound2.c that has 2 procedures, 298 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-03-17 15:09:00,195 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:09:00,204 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;@75674c58, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:09:00,204 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-03-17 15:09:00,208 INFO L276 IsEmpty]: Start isEmpty. Operand has 298 states, 147 states have (on average 1.965986394557823) internal successors, (289), 285 states have internal predecessors, (289), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) [2025-03-17 15:09:00,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:09:00,212 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:00,212 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:09:00,212 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:00,216 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:00,217 INFO L85 PathProgramCache]: Analyzing trace with hash 9971997, now seen corresponding path program 1 times [2025-03-17 15:09:00,221 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:00,223 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726451995] [2025-03-17 15:09:00,223 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:00,223 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:00,263 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:09:00,272 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:09:00,273 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:00,273 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:00,298 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 15:09:00,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:00,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726451995] [2025-03-17 15:09:00,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726451995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:00,299 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:00,299 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:00,300 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392562700] [2025-03-17 15:09:00,301 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:00,305 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:09:00,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:00,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:09:00,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:09:00,320 INFO L87 Difference]: Start difference. First operand has 298 states, 147 states have (on average 1.965986394557823) internal successors, (289), 285 states have internal predecessors, (289), 11 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 11 states have call predecessors, (11), 11 states have call successors, (11) Second operand has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 15:09:00,360 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:00,361 INFO L93 Difference]: Finished difference Result 587 states and 630 transitions. [2025-03-17 15:09:00,361 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:09:00,362 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 15:09:00,362 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:00,368 INFO L225 Difference]: With dead ends: 587 [2025-03-17 15:09:00,369 INFO L226 Difference]: Without dead ends: 287 [2025-03-17 15:09:00,371 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:09:00,372 INFO L435 NwaCegarLoop]: 301 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:00,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 301 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:09:00,381 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2025-03-17 15:09:00,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2025-03-17 15:09:00,402 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 287 states, 145 states have (on average 1.903448275862069) internal successors, (276), 275 states have internal predecessors, (276), 10 states have call successors, (10), 1 states have call predecessors, (10), 1 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2025-03-17 15:09:00,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 296 transitions. [2025-03-17 15:09:00,407 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 296 transitions. Word has length 4 [2025-03-17 15:09:00,407 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:00,407 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 296 transitions. [2025-03-17 15:09:00,407 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 2.0) internal successors, (4), 2 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 15:09:00,407 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 296 transitions. [2025-03-17 15:09:00,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:09:00,408 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:00,408 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:09:00,408 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:09:00,408 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:00,408 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:00,408 INFO L85 PathProgramCache]: Analyzing trace with hash 9972958, now seen corresponding path program 1 times [2025-03-17 15:09:00,409 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:00,409 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [402661460] [2025-03-17 15:09:00,409 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:00,409 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:00,411 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:09:00,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:09:00,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:00,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:00,455 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 15:09:00,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:00,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [402661460] [2025-03-17 15:09:00,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [402661460] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:00,456 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:00,456 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:00,456 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008179417] [2025-03-17 15:09:00,456 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:00,456 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:00,457 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:00,457 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:00,457 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:00,458 INFO L87 Difference]: Start difference. First operand 287 states and 296 transitions. 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 15:09:00,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:00,576 INFO L93 Difference]: Finished difference Result 555 states and 574 transitions. [2025-03-17 15:09:00,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:00,577 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 15:09:00,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:00,579 INFO L225 Difference]: With dead ends: 555 [2025-03-17 15:09:00,579 INFO L226 Difference]: Without dead ends: 535 [2025-03-17 15:09:00,579 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 15:09:00,580 INFO L435 NwaCegarLoop]: 270 mSDtfsCounter, 237 mSDsluCounter, 248 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 518 SdHoareTripleChecker+Invalid, 92 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:00,580 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [247 Valid, 518 Invalid, 92 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:00,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-03-17 15:09:00,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 345. [2025-03-17 15:09:00,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 345 states, 198 states have (on average 1.803030303030303) internal successors, (357), 328 states have internal predecessors, (357), 15 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 15 states have call predecessors, (15), 15 states have call successors, (15) [2025-03-17 15:09:00,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 387 transitions. [2025-03-17 15:09:00,600 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 387 transitions. Word has length 4 [2025-03-17 15:09:00,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:00,600 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 387 transitions. [2025-03-17 15:09:00,601 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 15:09:00,601 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 387 transitions. [2025-03-17 15:09:00,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:09:00,601 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:00,601 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:00,601 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:09:00,602 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:00,602 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:00,602 INFO L85 PathProgramCache]: Analyzing trace with hash -133308658, now seen corresponding path program 1 times [2025-03-17 15:09:00,602 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:00,602 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1527320062] [2025-03-17 15:09:00,602 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:00,602 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:00,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:09:00,635 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:09:00,637 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:00,637 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:00,639 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1291750736] [2025-03-17 15:09:00,639 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:00,639 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:00,640 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:00,641 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 15:09:00,643 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 15:09:00,667 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:09:00,677 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:09:00,677 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:00,678 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:00,680 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:09:00,683 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:00,821 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:00,821 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:00,821 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1527320062] [2025-03-17 15:09:00,822 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:00,822 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1291750736] [2025-03-17 15:09:00,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1291750736] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:00,823 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:00,823 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:00,823 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67353379] [2025-03-17 15:09:00,823 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:00,823 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:00,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:00,824 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:00,824 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:00,825 INFO L87 Difference]: Start difference. First operand 345 states and 387 transitions. Second operand has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:01,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:01,212 INFO L93 Difference]: Finished difference Result 505 states and 562 transitions. [2025-03-17 15:09:01,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:01,212 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 37 [2025-03-17 15:09:01,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:01,214 INFO L225 Difference]: With dead ends: 505 [2025-03-17 15:09:01,215 INFO L226 Difference]: Without dead ends: 450 [2025-03-17 15:09:01,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 36 GetRequests, 35 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 15:09:01,217 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 134 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 326 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 326 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:01,218 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 265 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:01,219 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-03-17 15:09:01,236 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 430. [2025-03-17 15:09:01,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.6546762589928057) internal successors, (460), 408 states have internal predecessors, (460), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:09:01,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 500 transitions. [2025-03-17 15:09:01,255 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 500 transitions. Word has length 37 [2025-03-17 15:09:01,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:01,255 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 500 transitions. [2025-03-17 15:09:01,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.5) internal successors, (25), 3 states have internal predecessors, (25), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:01,256 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 500 transitions. [2025-03-17 15:09:01,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:09:01,256 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:01,256 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:01,263 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:01,461 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:01,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:01,461 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:01,462 INFO L85 PathProgramCache]: Analyzing trace with hash 739405484, now seen corresponding path program 1 times [2025-03-17 15:09:01,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:01,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1905512837] [2025-03-17 15:09:01,462 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:01,462 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:01,469 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:09:01,489 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:09:01,489 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:01,489 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:01,568 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:01,568 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:01,568 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1905512837] [2025-03-17 15:09:01,569 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1905512837] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:01,569 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:01,569 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:01,569 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1641991639] [2025-03-17 15:09:01,570 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:01,570 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:01,570 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:01,570 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:01,571 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:01,571 INFO L87 Difference]: Start difference. First operand 430 states and 500 transitions. Second operand has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:01,812 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:01,813 INFO L93 Difference]: Finished difference Result 463 states and 507 transitions. [2025-03-17 15:09:01,813 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:01,813 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 39 [2025-03-17 15:09:01,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:01,815 INFO L225 Difference]: With dead ends: 463 [2025-03-17 15:09:01,815 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:01,816 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 15:09:01,817 INFO L435 NwaCegarLoop]: 224 mSDtfsCounter, 120 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 190 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:01,817 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 423 Invalid, 190 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:01,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-03-17 15:09:01,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.5719424460431655) internal successors, (437), 408 states have internal predecessors, (437), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:09:01,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 477 transitions. [2025-03-17 15:09:01,830 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 477 transitions. Word has length 39 [2025-03-17 15:09:01,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:01,830 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 477 transitions. [2025-03-17 15:09:01,831 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 13.5) internal successors, (27), 3 states have internal predecessors, (27), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 477 transitions. [2025-03-17 15:09:01,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:09:01,831 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:01,831 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:01,831 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:09:01,832 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:01,832 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:01,832 INFO L85 PathProgramCache]: Analyzing trace with hash 1899073098, now seen corresponding path program 1 times [2025-03-17 15:09:01,832 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:01,832 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509720249] [2025-03-17 15:09:01,832 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:01,832 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:01,836 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:09:01,843 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:09:01,843 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:01,843 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:01,920 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:01,922 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:01,922 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509720249] [2025-03-17 15:09:01,922 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509720249] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:01,922 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:01,923 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:01,923 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466254094] [2025-03-17 15:09:01,923 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:01,923 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:01,923 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:01,923 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:01,923 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:01,924 INFO L87 Difference]: Start difference. First operand 430 states and 477 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:02,205 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:02,206 INFO L93 Difference]: Finished difference Result 442 states and 484 transitions. [2025-03-17 15:09:02,206 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:02,206 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 41 [2025-03-17 15:09:02,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:02,208 INFO L225 Difference]: With dead ends: 442 [2025-03-17 15:09:02,208 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:02,208 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 15:09:02,209 INFO L435 NwaCegarLoop]: 166 mSDtfsCounter, 252 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 228 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 262 SdHoareTripleChecker+Valid, 365 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 228 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:02,210 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 365 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:02,210 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:02,218 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-03-17 15:09:02,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.564748201438849) internal successors, (435), 408 states have internal predecessors, (435), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:09:02,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 475 transitions. [2025-03-17 15:09:02,222 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 475 transitions. Word has length 41 [2025-03-17 15:09:02,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:02,222 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 475 transitions. [2025-03-17 15:09:02,222 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:02,224 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 475 transitions. [2025-03-17 15:09:02,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:09:02,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:02,225 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:02,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:09:02,225 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:02,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:02,225 INFO L85 PathProgramCache]: Analyzing trace with hash -1258275897, now seen corresponding path program 1 times [2025-03-17 15:09:02,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:02,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [134437417] [2025-03-17 15:09:02,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:02,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:02,232 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:09:02,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:09:02,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:02,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:02,344 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:02,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:02,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [134437417] [2025-03-17 15:09:02,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [134437417] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:02,344 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:02,344 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:02,344 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [712936837] [2025-03-17 15:09:02,344 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:02,344 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:02,344 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:02,344 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:02,344 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:02,345 INFO L87 Difference]: Start difference. First operand 430 states and 475 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:02,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:02,604 INFO L93 Difference]: Finished difference Result 442 states and 482 transitions. [2025-03-17 15:09:02,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:02,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 42 [2025-03-17 15:09:02,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:02,606 INFO L225 Difference]: With dead ends: 442 [2025-03-17 15:09:02,606 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:02,607 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 15:09:02,607 INFO L435 NwaCegarLoop]: 168 mSDtfsCounter, 251 mSDsluCounter, 199 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 261 SdHoareTripleChecker+Valid, 367 SdHoareTripleChecker+Invalid, 235 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:02,607 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 367 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:02,608 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:02,614 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-03-17 15:09:02,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 278 states have (on average 1.5575539568345325) internal successors, (433), 408 states have internal predecessors, (433), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:09:02,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 473 transitions. [2025-03-17 15:09:02,616 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 473 transitions. Word has length 42 [2025-03-17 15:09:02,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:02,617 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 473 transitions. [2025-03-17 15:09:02,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:02,617 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 473 transitions. [2025-03-17 15:09:02,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:09:02,617 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:02,618 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:02,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:09:02,618 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:02,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:02,618 INFO L85 PathProgramCache]: Analyzing trace with hash 1177517446, now seen corresponding path program 1 times [2025-03-17 15:09:02,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:02,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1083724766] [2025-03-17 15:09:02,618 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:02,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:02,623 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:09:02,633 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:09:02,633 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:02,633 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:02,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [235092995] [2025-03-17 15:09:02,636 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:02,636 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:02,637 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:02,638 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 15:09:02,640 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 15:09:02,664 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:09:02,674 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:09:02,674 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:02,674 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:02,676 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:09:02,677 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:02,832 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:02,832 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:02,832 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1083724766] [2025-03-17 15:09:02,832 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:02,832 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [235092995] [2025-03-17 15:09:02,832 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [235092995] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:02,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:02,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:02,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [619249172] [2025-03-17 15:09:02,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:02,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:02,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:02,833 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:02,833 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:02,834 INFO L87 Difference]: Start difference. First operand 430 states and 473 transitions. Second operand has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:03,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:03,176 INFO L93 Difference]: Finished difference Result 447 states and 480 transitions. [2025-03-17 15:09:03,176 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:03,176 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 45 [2025-03-17 15:09:03,177 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:03,178 INFO L225 Difference]: With dead ends: 447 [2025-03-17 15:09:03,178 INFO L226 Difference]: Without dead ends: 438 [2025-03-17 15:09:03,178 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:03,179 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 112 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 255 SdHoareTripleChecker+Invalid, 344 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 336 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:03,179 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 255 Invalid, 344 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 336 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:03,180 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-03-17 15:09:03,188 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 433. [2025-03-17 15:09:03,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.5302491103202847) internal successors, (430), 411 states have internal predecessors, (430), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:09:03,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 470 transitions. [2025-03-17 15:09:03,190 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 470 transitions. Word has length 45 [2025-03-17 15:09:03,190 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:03,190 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 470 transitions. [2025-03-17 15:09:03,190 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 16.5) internal successors, (33), 3 states have internal predecessors, (33), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:03,191 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 470 transitions. [2025-03-17 15:09:03,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:09:03,193 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:03,193 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:03,198 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 15:09:03,393 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,SelfDestructingSolverStorable6 [2025-03-17 15:09:03,393 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr110ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:03,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:03,394 INFO L85 PathProgramCache]: Analyzing trace with hash 2143302659, now seen corresponding path program 1 times [2025-03-17 15:09:03,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:03,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [9821597] [2025-03-17 15:09:03,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:03,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:03,398 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:09:03,401 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:09:03,401 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:03,401 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:03,473 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:03,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:03,473 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [9821597] [2025-03-17 15:09:03,473 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [9821597] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:03,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:03,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:03,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [636574877] [2025-03-17 15:09:03,475 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:03,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:03,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:03,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:03,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:03,475 INFO L87 Difference]: Start difference. First operand 433 states and 470 transitions. Second operand has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:03,770 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:03,771 INFO L93 Difference]: Finished difference Result 446 states and 471 transitions. [2025-03-17 15:09:03,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:03,771 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 46 [2025-03-17 15:09:03,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:03,774 INFO L225 Difference]: With dead ends: 446 [2025-03-17 15:09:03,774 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:03,774 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 15:09:03,775 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 243 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 290 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 303 SdHoareTripleChecker+Invalid, 303 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 290 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:03,775 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 303 Invalid, 303 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 290 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:03,776 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:03,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 433. [2025-03-17 15:09:03,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 281 states have (on average 1.508896797153025) internal successors, (424), 411 states have internal predecessors, (424), 20 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 20 states have call predecessors, (20), 20 states have call successors, (20) [2025-03-17 15:09:03,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 464 transitions. [2025-03-17 15:09:03,785 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 464 transitions. Word has length 46 [2025-03-17 15:09:03,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:03,786 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 464 transitions. [2025-03-17 15:09:03,786 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.333333333333334) internal successors, (34), 4 states have internal predecessors, (34), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:03,786 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 464 transitions. [2025-03-17 15:09:03,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:09:03,787 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:03,787 INFO L218 NwaCegarLoop]: trace histogram [3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:03,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:09:03,787 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr106ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:03,787 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:03,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2098064447, now seen corresponding path program 1 times [2025-03-17 15:09:03,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:03,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1519124458] [2025-03-17 15:09:03,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:03,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:03,793 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:09:03,797 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:09:03,799 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:03,799 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:03,899 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2025-03-17 15:09:03,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:03,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1519124458] [2025-03-17 15:09:03,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1519124458] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:03,899 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:03,899 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:03,899 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1657719912] [2025-03-17 15:09:03,900 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:03,900 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:03,900 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:03,901 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:03,901 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:03,901 INFO L87 Difference]: Start difference. First operand 433 states and 464 transitions. Second operand has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:04,370 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:04,370 INFO L93 Difference]: Finished difference Result 444 states and 465 transitions. [2025-03-17 15:09:04,371 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:04,371 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 50 [2025-03-17 15:09:04,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:04,372 INFO L225 Difference]: With dead ends: 444 [2025-03-17 15:09:04,372 INFO L226 Difference]: Without dead ends: 371 [2025-03-17 15:09:04,372 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 15:09:04,373 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 119 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 126 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 546 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 541 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:04,373 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 345 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:04,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-17 15:09:04,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2025-03-17 15:09:04,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 367 states, 218 states have (on average 1.628440366972477) internal successors, (355), 348 states have internal predecessors, (355), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:09:04,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 389 transitions. [2025-03-17 15:09:04,380 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 389 transitions. Word has length 50 [2025-03-17 15:09:04,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:04,380 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 389 transitions. [2025-03-17 15:09:04,380 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.666666666666666) internal successors, (38), 4 states have internal predecessors, (38), 1 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2025-03-17 15:09:04,380 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 389 transitions. [2025-03-17 15:09:04,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-17 15:09:04,381 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:04,381 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:09:04,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 15:09:04,381 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr85ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:04,381 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:04,381 INFO L85 PathProgramCache]: Analyzing trace with hash -1470700964, now seen corresponding path program 1 times [2025-03-17 15:09:04,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:04,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1401818052] [2025-03-17 15:09:04,382 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:04,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:04,388 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 15:09:04,398 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 15:09:04,398 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:04,398 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:04,448 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:04,448 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:04,448 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1401818052] [2025-03-17 15:09:04,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1401818052] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:04,449 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:04,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:04,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [736471668] [2025-03-17 15:09:04,449 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:04,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:04,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:04,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:04,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:04,450 INFO L87 Difference]: Start difference. First operand 367 states and 389 transitions. Second operand has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:09:04,686 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:04,686 INFO L93 Difference]: Finished difference Result 367 states and 389 transitions. [2025-03-17 15:09:04,686 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:04,686 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 82 [2025-03-17 15:09:04,687 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:04,688 INFO L225 Difference]: With dead ends: 367 [2025-03-17 15:09:04,688 INFO L226 Difference]: Without dead ends: 360 [2025-03-17 15:09:04,689 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 15:09:04,689 INFO L435 NwaCegarLoop]: 139 mSDtfsCounter, 138 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 229 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:04,689 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 153 Invalid, 229 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:04,690 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-03-17 15:09:04,695 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2025-03-17 15:09:04,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 360 states, 218 states have (on average 1.5963302752293578) internal successors, (348), 341 states have internal predecessors, (348), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:09:04,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 382 transitions. [2025-03-17 15:09:04,697 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 382 transitions. Word has length 82 [2025-03-17 15:09:04,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:04,697 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 382 transitions. [2025-03-17 15:09:04,698 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.0) internal successors, (60), 3 states have internal predecessors, (60), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:09:04,698 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 382 transitions. [2025-03-17 15:09:04,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 15:09:04,698 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:04,698 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:09:04,699 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:09:04,699 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:04,699 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:04,699 INFO L85 PathProgramCache]: Analyzing trace with hash 1652910517, now seen corresponding path program 1 times [2025-03-17 15:09:04,699 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:04,699 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [965024474] [2025-03-17 15:09:04,699 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:04,699 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:04,705 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 15:09:04,712 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 15:09:04,712 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:04,713 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:04,766 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:04,766 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:04,767 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [965024474] [2025-03-17 15:09:04,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [965024474] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:04,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:04,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:04,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461263969] [2025-03-17 15:09:04,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:04,767 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:04,767 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:04,767 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:04,767 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:04,767 INFO L87 Difference]: Start difference. First operand 360 states and 382 transitions. Second operand has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:09:04,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:04,939 INFO L93 Difference]: Finished difference Result 367 states and 385 transitions. [2025-03-17 15:09:04,939 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:04,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 83 [2025-03-17 15:09:04,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:04,941 INFO L225 Difference]: With dead ends: 367 [2025-03-17 15:09:04,941 INFO L226 Difference]: Without dead ends: 366 [2025-03-17 15:09:04,942 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 15:09:04,942 INFO L435 NwaCegarLoop]: 253 mSDtfsCounter, 24 mSDsluCounter, 137 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 26 SdHoareTripleChecker+Valid, 390 SdHoareTripleChecker+Invalid, 187 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:04,942 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [26 Valid, 390 Invalid, 187 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:04,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-03-17 15:09:04,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2025-03-17 15:09:04,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 362 states, 220 states have (on average 1.5909090909090908) internal successors, (350), 343 states have internal predecessors, (350), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:09:04,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2025-03-17 15:09:04,953 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2025-03-17 15:09:04,953 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:04,953 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2025-03-17 15:09:04,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 30.5) internal successors, (61), 3 states have internal predecessors, (61), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:09:04,954 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2025-03-17 15:09:04,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 15:09:04,954 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:04,955 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:09:04,955 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 15:09:04,955 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr137ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:04,955 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:04,955 INFO L85 PathProgramCache]: Analyzing trace with hash -299381267, now seen corresponding path program 1 times [2025-03-17 15:09:04,955 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:04,955 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139264012] [2025-03-17 15:09:04,955 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:04,956 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:04,960 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:09:04,966 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:09:04,966 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:04,966 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:05,020 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:05,020 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:05,020 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139264012] [2025-03-17 15:09:05,020 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139264012] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:05,021 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963084170] [2025-03-17 15:09:05,021 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:05,021 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:05,021 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:05,023 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 15:09:05,025 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 15:09:05,045 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:09:05,059 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:09:05,060 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:05,060 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:05,060 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:09:05,062 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:05,134 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:05,134 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:05,134 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963084170] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:05,134 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:05,134 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:09:05,134 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960420087] [2025-03-17 15:09:05,134 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:05,134 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:05,134 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:05,135 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:05,135 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:05,135 INFO L87 Difference]: Start difference. First operand 362 states and 384 transitions. Second operand has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:09:05,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:05,219 INFO L93 Difference]: Finished difference Result 368 states and 384 transitions. [2025-03-17 15:09:05,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:05,220 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) Word has length 84 [2025-03-17 15:09:05,220 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:05,221 INFO L225 Difference]: With dead ends: 368 [2025-03-17 15:09:05,221 INFO L226 Difference]: Without dead ends: 360 [2025-03-17 15:09:05,221 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 83 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 15:09:05,222 INFO L435 NwaCegarLoop]: 306 mSDtfsCounter, 424 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 436 SdHoareTripleChecker+Valid, 376 SdHoareTripleChecker+Invalid, 120 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:05,222 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [436 Valid, 376 Invalid, 120 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:05,222 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-03-17 15:09:05,230 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 354. [2025-03-17 15:09:05,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 354 states, 220 states have (on average 1.5545454545454545) internal successors, (342), 335 states have internal predecessors, (342), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:09:05,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 376 transitions. [2025-03-17 15:09:05,233 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 376 transitions. Word has length 84 [2025-03-17 15:09:05,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:05,233 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 376 transitions. [2025-03-17 15:09:05,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 20.666666666666668) internal successors, (62), 4 states have internal predecessors, (62), 1 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 1 states have call predecessors, (5), 1 states have call successors, (5) [2025-03-17 15:09:05,233 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 376 transitions. [2025-03-17 15:09:05,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 15:09:05,234 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:05,234 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:09:05,240 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:05,434 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:05,435 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr79ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:05,435 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:05,435 INFO L85 PathProgramCache]: Analyzing trace with hash -813748389, now seen corresponding path program 1 times [2025-03-17 15:09:05,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:05,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [920821987] [2025-03-17 15:09:05,435 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:05,436 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:05,440 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:09:05,454 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:09:05,454 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:05,454 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:05,489 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:09:05,490 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:05,490 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [920821987] [2025-03-17 15:09:05,490 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [920821987] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:05,490 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:05,490 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:05,490 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1688251946] [2025-03-17 15:09:05,490 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:05,490 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:05,490 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:05,491 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:05,491 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:05,491 INFO L87 Difference]: Start difference. First operand 354 states and 376 transitions. Second operand has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-17 15:09:05,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:05,575 INFO L93 Difference]: Finished difference Result 354 states and 376 transitions. [2025-03-17 15:09:05,575 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:05,575 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) Word has length 85 [2025-03-17 15:09:05,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:05,576 INFO L225 Difference]: With dead ends: 354 [2025-03-17 15:09:05,576 INFO L226 Difference]: Without dead ends: 352 [2025-03-17 15:09:05,576 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 15:09:05,577 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 184 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 188 SdHoareTripleChecker+Valid, 252 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:05,577 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 252 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:05,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-03-17 15:09:05,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-03-17 15:09:05,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 352 states, 220 states have (on average 1.5363636363636364) internal successors, (338), 333 states have internal predecessors, (338), 17 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2025-03-17 15:09:05,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 372 transitions. [2025-03-17 15:09:05,584 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 372 transitions. Word has length 85 [2025-03-17 15:09:05,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:05,584 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 372 transitions. [2025-03-17 15:09:05,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 29.0) internal successors, (58), 3 states have internal predecessors, (58), 1 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 1 states have call predecessors, (6), 1 states have call successors, (6) [2025-03-17 15:09:05,585 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 372 transitions. [2025-03-17 15:09:05,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 15:09:05,585 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:05,585 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:05,585 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 15:09:05,586 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr136ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:05,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:05,586 INFO L85 PathProgramCache]: Analyzing trace with hash -690884429, now seen corresponding path program 1 times [2025-03-17 15:09:05,586 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:05,586 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1037135587] [2025-03-17 15:09:05,586 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:05,586 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:05,590 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:09:05,595 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:09:05,595 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:05,595 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:05,634 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:05,634 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:05,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1037135587] [2025-03-17 15:09:05,634 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1037135587] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:05,634 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1814939372] [2025-03-17 15:09:05,634 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:05,634 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:05,634 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:05,636 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 15:09:05,638 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 15:09:05,660 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:09:05,676 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:09:05,676 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:05,676 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:05,677 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:09:05,678 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:05,740 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:05,741 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:05,823 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2025-03-17 15:09:05,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1814939372] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:05,823 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:05,824 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:09:05,824 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1362226526] [2025-03-17 15:09:05,824 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:05,824 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:09:05,824 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:05,825 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:09:05,825 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:09:05,825 INFO L87 Difference]: Start difference. First operand 352 states and 372 transitions. Second operand has 7 states, 6 states have (on average 28.5) internal successors, (171), 7 states have internal predecessors, (171), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-17 15:09:05,958 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:05,958 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2025-03-17 15:09:05,958 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:09:05,958 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 28.5) internal successors, (171), 7 states have internal predecessors, (171), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) Word has length 85 [2025-03-17 15:09:05,959 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:05,960 INFO L225 Difference]: With dead ends: 613 [2025-03-17 15:09:05,960 INFO L226 Difference]: Without dead ends: 605 [2025-03-17 15:09:05,961 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 171 GetRequests, 166 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 15:09:05,961 INFO L435 NwaCegarLoop]: 241 mSDtfsCounter, 499 mSDsluCounter, 478 mSDsCounter, 0 mSdLazyCounter, 129 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 516 SdHoareTripleChecker+Valid, 719 SdHoareTripleChecker+Invalid, 148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:05,961 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [516 Valid, 719 Invalid, 148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 129 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:05,962 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-03-17 15:09:05,969 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 410. [2025-03-17 15:09:05,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 410 states, 279 states have (on average 1.5268817204301075) internal successors, (426), 386 states have internal predecessors, (426), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:09:05,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 470 transitions. [2025-03-17 15:09:05,970 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 470 transitions. Word has length 85 [2025-03-17 15:09:05,971 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:05,971 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 470 transitions. [2025-03-17 15:09:05,971 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 28.5) internal successors, (171), 7 states have internal predecessors, (171), 3 states have call successors, (15), 1 states have call predecessors, (15), 1 states have return successors, (15), 3 states have call predecessors, (15), 3 states have call successors, (15) [2025-03-17 15:09:05,971 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 470 transitions. [2025-03-17 15:09:05,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:09:05,971 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:05,972 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:09:05,980 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2025-03-17 15:09:06,172 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:06,172 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:06,172 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:06,172 INFO L85 PathProgramCache]: Analyzing trace with hash 543603849, now seen corresponding path program 1 times [2025-03-17 15:09:06,173 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:06,173 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1436031021] [2025-03-17 15:09:06,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:06,173 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:06,177 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:09:06,181 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:09:06,181 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:06,181 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:06,220 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:09:06,221 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:06,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1436031021] [2025-03-17 15:09:06,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1436031021] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:06,221 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:06,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:09:06,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [550581232] [2025-03-17 15:09:06,221 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:06,221 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:06,221 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:06,222 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:06,222 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:06,222 INFO L87 Difference]: Start difference. First operand 410 states and 470 transitions. Second operand has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:09:06,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:06,360 INFO L93 Difference]: Finished difference Result 414 states and 470 transitions. [2025-03-17 15:09:06,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:06,360 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) Word has length 86 [2025-03-17 15:09:06,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:06,362 INFO L225 Difference]: With dead ends: 414 [2025-03-17 15:09:06,362 INFO L226 Difference]: Without dead ends: 410 [2025-03-17 15:09:06,362 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:06,362 INFO L435 NwaCegarLoop]: 234 mSDtfsCounter, 34 mSDsluCounter, 479 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 713 SdHoareTripleChecker+Invalid, 164 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:06,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 713 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:06,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-03-17 15:09:06,369 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2025-03-17 15:09:06,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 408 states, 277 states have (on average 1.523465703971119) internal successors, (422), 384 states have internal predecessors, (422), 22 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 22 states have call predecessors, (22), 22 states have call successors, (22) [2025-03-17 15:09:06,371 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 466 transitions. [2025-03-17 15:09:06,371 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 466 transitions. Word has length 86 [2025-03-17 15:09:06,371 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:06,371 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 466 transitions. [2025-03-17 15:09:06,371 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 14.75) internal successors, (59), 5 states have internal predecessors, (59), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 2 states have call predecessors, (6), 2 states have call successors, (6) [2025-03-17 15:09:06,371 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 466 transitions. [2025-03-17 15:09:06,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:09:06,372 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:06,372 INFO L218 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:06,372 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:09:06,372 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr130ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:06,372 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:06,372 INFO L85 PathProgramCache]: Analyzing trace with hash 1222980034, now seen corresponding path program 1 times [2025-03-17 15:09:06,372 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:06,373 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [891773572] [2025-03-17 15:09:06,373 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:06,373 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:06,377 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:09:06,385 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:09:06,386 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:06,386 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:06,386 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [7977377] [2025-03-17 15:09:06,386 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:06,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:06,387 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:06,388 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 15:09:06,390 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 15:09:06,410 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:09:06,426 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:09:06,426 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:06,426 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:06,427 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:09:06,428 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:06,505 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:09:06,505 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:06,622 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2025-03-17 15:09:06,622 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:06,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [891773572] [2025-03-17 15:09:06,622 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:06,622 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [7977377] [2025-03-17 15:09:06,622 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [7977377] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:06,622 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:06,623 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-17 15:09:06,623 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1053807] [2025-03-17 15:09:06,623 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:06,623 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:09:06,623 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:06,623 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:09:06,624 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:09:06,624 INFO L87 Difference]: Start difference. First operand 408 states and 466 transitions. Second operand has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-17 15:09:06,769 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:06,769 INFO L93 Difference]: Finished difference Result 611 states and 643 transitions. [2025-03-17 15:09:06,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:09:06,770 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) Word has length 96 [2025-03-17 15:09:06,770 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:06,771 INFO L225 Difference]: With dead ends: 611 [2025-03-17 15:09:06,771 INFO L226 Difference]: Without dead ends: 606 [2025-03-17 15:09:06,772 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 191 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=23, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:09:06,772 INFO L435 NwaCegarLoop]: 298 mSDtfsCounter, 1114 mSDsluCounter, 483 mSDsCounter, 0 mSdLazyCounter, 147 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1125 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 147 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:06,772 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1125 Valid, 781 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 147 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:06,773 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2025-03-17 15:09:06,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2025-03-17 15:09:06,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 413 states, 285 states have (on average 1.4807017543859649) internal successors, (422), 388 states have internal predecessors, (422), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:09:06,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 468 transitions. [2025-03-17 15:09:06,787 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 468 transitions. Word has length 96 [2025-03-17 15:09:06,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:06,787 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 468 transitions. [2025-03-17 15:09:06,787 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 26.6) internal successors, (133), 6 states have internal predecessors, (133), 4 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 4 states have call predecessors, (12), 4 states have call successors, (12) [2025-03-17 15:09:06,787 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 468 transitions. [2025-03-17 15:09:06,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 15:09:06,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:06,788 INFO L218 NwaCegarLoop]: trace histogram [7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 15:09:06,793 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:06,988 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,SelfDestructingSolverStorable15 [2025-03-17 15:09:06,988 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr67ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:06,988 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:06,989 INFO L85 PathProgramCache]: Analyzing trace with hash 974714381, now seen corresponding path program 1 times [2025-03-17 15:09:06,989 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:06,989 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [406781507] [2025-03-17 15:09:06,989 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:06,989 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:06,994 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:09:07,001 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:09:07,002 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:07,002 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:07,117 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2025-03-17 15:09:07,118 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:07,118 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [406781507] [2025-03-17 15:09:07,118 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [406781507] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:07,118 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:07,118 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:09:07,118 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1467387831] [2025-03-17 15:09:07,118 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:07,118 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:07,118 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:07,119 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:07,119 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:07,119 INFO L87 Difference]: Start difference. First operand 413 states and 468 transitions. Second operand has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:09:07,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:07,286 INFO L93 Difference]: Finished difference Result 419 states and 471 transitions. [2025-03-17 15:09:07,286 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:07,286 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 102 [2025-03-17 15:09:07,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:07,287 INFO L225 Difference]: With dead ends: 419 [2025-03-17 15:09:07,287 INFO L226 Difference]: Without dead ends: 393 [2025-03-17 15:09:07,288 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 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 15:09:07,288 INFO L435 NwaCegarLoop]: 208 mSDtfsCounter, 230 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 240 SdHoareTripleChecker+Valid, 411 SdHoareTripleChecker+Invalid, 157 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:07,288 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 411 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:07,289 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-03-17 15:09:07,299 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2025-03-17 15:09:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 393 states, 267 states have (on average 1.5056179775280898) internal successors, (402), 370 states have internal predecessors, (402), 21 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 21 states have call predecessors, (21), 21 states have call successors, (21) [2025-03-17 15:09:07,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 444 transitions. [2025-03-17 15:09:07,301 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 444 transitions. Word has length 102 [2025-03-17 15:09:07,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:07,301 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 444 transitions. [2025-03-17 15:09:07,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 5 states have (on average 14.0) internal successors, (70), 5 states have internal predecessors, (70), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:09:07,301 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 444 transitions. [2025-03-17 15:09:07,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-17 15:09:07,302 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:07,302 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:07,302 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 15:09:07,302 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr119ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:07,302 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:07,303 INFO L85 PathProgramCache]: Analyzing trace with hash -946676769, now seen corresponding path program 1 times [2025-03-17 15:09:07,303 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:07,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1596970284] [2025-03-17 15:09:07,303 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:07,303 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:07,312 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:09:07,326 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:09:07,326 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:07,326 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:07,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1384910569] [2025-03-17 15:09:07,328 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:07,328 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:07,328 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:07,329 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 15:09:07,331 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 15:09:07,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:09:07,372 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:09:07,372 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:07,372 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:07,373 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:07,375 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:07,599 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:07,600 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:07,740 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:07,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1596970284] [2025-03-17 15:09:07,740 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:07,740 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1384910569] [2025-03-17 15:09:07,740 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1384910569] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:07,740 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:07,740 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:09:07,740 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [971440204] [2025-03-17 15:09:07,740 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:07,741 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:07,741 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:07,741 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:07,741 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:07,741 INFO L87 Difference]: Start difference. First operand 393 states and 444 transitions. Second operand has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:09:08,214 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:08,214 INFO L93 Difference]: Finished difference Result 521 states and 609 transitions. [2025-03-17 15:09:08,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:08,214 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 117 [2025-03-17 15:09:08,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:08,216 INFO L225 Difference]: With dead ends: 521 [2025-03-17 15:09:08,216 INFO L226 Difference]: Without dead ends: 496 [2025-03-17 15:09:08,216 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 160 GetRequests, 154 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:08,217 INFO L435 NwaCegarLoop]: 142 mSDtfsCounter, 133 mSDsluCounter, 182 mSDsCounter, 0 mSdLazyCounter, 616 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 140 SdHoareTripleChecker+Valid, 324 SdHoareTripleChecker+Invalid, 641 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 616 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:08,217 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [140 Valid, 324 Invalid, 641 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 616 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:08,217 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-03-17 15:09:08,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 478. [2025-03-17 15:09:08,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 347 states have (on average 1.5129682997118155) internal successors, (525), 450 states have internal predecessors, (525), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 15:09:08,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 577 transitions. [2025-03-17 15:09:08,229 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 577 transitions. Word has length 117 [2025-03-17 15:09:08,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:08,229 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 577 transitions. [2025-03-17 15:09:08,229 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.0) internal successors, (80), 5 states have internal predecessors, (80), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:09:08,230 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 577 transitions. [2025-03-17 15:09:08,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-17 15:09:08,230 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:08,230 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:08,236 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 15:09:08,430 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2025-03-17 15:09:08,431 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:08,432 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:08,432 INFO L85 PathProgramCache]: Analyzing trace with hash 717791450, now seen corresponding path program 1 times [2025-03-17 15:09:08,432 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:08,432 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1190949501] [2025-03-17 15:09:08,432 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:08,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:08,438 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:09:08,452 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:09:08,453 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:08,453 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:08,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1090306379] [2025-03-17 15:09:08,454 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:08,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:08,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:08,456 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 15:09:08,457 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 15:09:08,480 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:09:08,498 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:09:08,498 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:08,498 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:08,499 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:09:08,501 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:08,706 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:08,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:09,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:09,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1190949501] [2025-03-17 15:09:09,087 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:09,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090306379] [2025-03-17 15:09:09,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090306379] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:09,087 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:09,087 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:09:09,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [144698099] [2025-03-17 15:09:09,087 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:09,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:09,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:09,088 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:09,088 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:09,088 INFO L87 Difference]: Start difference. First operand 478 states and 577 transitions. Second operand has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:09:09,590 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:09,590 INFO L93 Difference]: Finished difference Result 513 states and 584 transitions. [2025-03-17 15:09:09,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:09,591 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 118 [2025-03-17 15:09:09,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:09,592 INFO L225 Difference]: With dead ends: 513 [2025-03-17 15:09:09,592 INFO L226 Difference]: Without dead ends: 496 [2025-03-17 15:09:09,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 162 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:09,593 INFO L435 NwaCegarLoop]: 159 mSDtfsCounter, 131 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 793 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 418 SdHoareTripleChecker+Invalid, 809 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 793 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:09,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 418 Invalid, 809 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 793 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:09,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 496 states. [2025-03-17 15:09:09,601 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 496 to 478. [2025-03-17 15:09:09,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 478 states, 347 states have (on average 1.4639769452449567) internal successors, (508), 450 states have internal predecessors, (508), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 15:09:09,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 478 states and 560 transitions. [2025-03-17 15:09:09,603 INFO L78 Accepts]: Start accepts. Automaton has 478 states and 560 transitions. Word has length 118 [2025-03-17 15:09:09,603 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:09,603 INFO L471 AbstractCegarLoop]: Abstraction has 478 states and 560 transitions. [2025-03-17 15:09:09,604 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 20.25) internal successors, (81), 5 states have internal predecessors, (81), 2 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2025-03-17 15:09:09,604 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 560 transitions. [2025-03-17 15:09:09,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-17 15:09:09,604 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:09,604 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:09,610 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2025-03-17 15:09:09,805 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:09,805 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:09,806 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:09,806 INFO L85 PathProgramCache]: Analyzing trace with hash 776698685, now seen corresponding path program 1 times [2025-03-17 15:09:09,806 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:09,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1316899002] [2025-03-17 15:09:09,806 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:09,806 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:09,812 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 15:09:09,818 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 15:09:09,818 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:09,818 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:09,892 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:09,893 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:09,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1316899002] [2025-03-17 15:09:09,893 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1316899002] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:09,893 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [3463619] [2025-03-17 15:09:09,893 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:09,893 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:09,893 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:09,895 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 15:09:09,897 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 15:09:09,923 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 15:09:09,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 15:09:09,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:09,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:09,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:09,941 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:10,081 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:10,081 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:10,206 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:10,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [3463619] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:10,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:10,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-17 15:09:10,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1079381847] [2025-03-17 15:09:10,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:10,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:10,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:10,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:10,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:10,208 INFO L87 Difference]: Start difference. First operand 478 states and 560 transitions. Second operand has 8 states, 7 states have (on average 30.428571428571427) internal successors, (213), 8 states have internal predecessors, (213), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-17 15:09:10,601 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:10,601 INFO L93 Difference]: Finished difference Result 495 states and 567 transitions. [2025-03-17 15:09:10,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:10,601 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.428571428571427) internal successors, (213), 8 states have internal predecessors, (213), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 119 [2025-03-17 15:09:10,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:10,603 INFO L225 Difference]: With dead ends: 495 [2025-03-17 15:09:10,603 INFO L226 Difference]: Without dead ends: 490 [2025-03-17 15:09:10,603 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=43, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:09:10,603 INFO L435 NwaCegarLoop]: 196 mSDtfsCounter, 461 mSDsluCounter, 332 mSDsCounter, 0 mSdLazyCounter, 558 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 473 SdHoareTripleChecker+Valid, 528 SdHoareTripleChecker+Invalid, 579 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 558 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:10,603 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [473 Valid, 528 Invalid, 579 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 558 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:10,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2025-03-17 15:09:10,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 474. [2025-03-17 15:09:10,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 474 states, 347 states have (on average 1.4380403458213256) internal successors, (499), 446 states have internal predecessors, (499), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 15:09:10,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 474 states and 551 transitions. [2025-03-17 15:09:10,613 INFO L78 Accepts]: Start accepts. Automaton has 474 states and 551 transitions. Word has length 119 [2025-03-17 15:09:10,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:10,613 INFO L471 AbstractCegarLoop]: Abstraction has 474 states and 551 transitions. [2025-03-17 15:09:10,613 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.428571428571427) internal successors, (213), 8 states have internal predecessors, (213), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-17 15:09:10,613 INFO L276 IsEmpty]: Start isEmpty. Operand 474 states and 551 transitions. [2025-03-17 15:09:10,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-17 15:09:10,614 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:10,614 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:10,620 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:10,814 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:10,815 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:10,815 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:10,815 INFO L85 PathProgramCache]: Analyzing trace with hash -1692144328, now seen corresponding path program 1 times [2025-03-17 15:09:10,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:10,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125155291] [2025-03-17 15:09:10,816 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:10,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:10,820 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:09:10,825 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:09:10,825 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:10,825 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:10,887 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:10,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125155291] [2025-03-17 15:09:10,887 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1125155291] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:10,887 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [398382194] [2025-03-17 15:09:10,887 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:10,887 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:10,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:10,889 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 15:09:10,890 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 15:09:10,913 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:09:10,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:09:10,940 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:10,940 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:10,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:10,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:11,080 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:11,080 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:11,188 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 0 proven. 25 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:11,189 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [398382194] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:11,189 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:11,189 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-17 15:09:11,189 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727979029] [2025-03-17 15:09:11,189 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:11,189 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:11,189 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:11,190 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:11,190 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:11,190 INFO L87 Difference]: Start difference. First operand 474 states and 551 transitions. Second operand has 8 states, 7 states have (on average 30.714285714285715) internal successors, (215), 8 states have internal predecessors, (215), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-17 15:09:11,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:11,532 INFO L93 Difference]: Finished difference Result 491 states and 558 transitions. [2025-03-17 15:09:11,532 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:11,532 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 30.714285714285715) internal successors, (215), 8 states have internal predecessors, (215), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) Word has length 120 [2025-03-17 15:09:11,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:11,534 INFO L225 Difference]: With dead ends: 491 [2025-03-17 15:09:11,534 INFO L226 Difference]: Without dead ends: 486 [2025-03-17 15:09:11,534 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 236 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:09:11,534 INFO L435 NwaCegarLoop]: 148 mSDtfsCounter, 458 mSDsluCounter, 264 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 470 SdHoareTripleChecker+Valid, 412 SdHoareTripleChecker+Invalid, 492 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:11,534 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [470 Valid, 412 Invalid, 492 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:11,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-03-17 15:09:11,542 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 470. [2025-03-17 15:09:11,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 470 states, 347 states have (on average 1.4121037463976944) internal successors, (490), 442 states have internal predecessors, (490), 26 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 26 states have call predecessors, (26), 26 states have call successors, (26) [2025-03-17 15:09:11,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 470 states and 542 transitions. [2025-03-17 15:09:11,543 INFO L78 Accepts]: Start accepts. Automaton has 470 states and 542 transitions. Word has length 120 [2025-03-17 15:09:11,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:11,544 INFO L471 AbstractCegarLoop]: Abstraction has 470 states and 542 transitions. [2025-03-17 15:09:11,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 30.714285714285715) internal successors, (215), 8 states have internal predecessors, (215), 5 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 5 states have call predecessors, (21), 5 states have call successors, (21) [2025-03-17 15:09:11,544 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 542 transitions. [2025-03-17 15:09:11,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 15:09:11,544 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:11,544 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:11,551 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 15:09:11,749 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:11,749 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr115ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:11,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:11,749 INFO L85 PathProgramCache]: Analyzing trace with hash -916866405, now seen corresponding path program 1 times [2025-03-17 15:09:11,749 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:11,749 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [479216032] [2025-03-17 15:09:11,749 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:11,749 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:11,754 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:09:11,766 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:09:11,767 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:11,767 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:11,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [74561008] [2025-03-17 15:09:11,768 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:11,768 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:11,768 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:11,770 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 15:09:11,771 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 15:09:11,803 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:09:11,819 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:09:11,819 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:11,819 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:11,820 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:09:11,822 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:12,156 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:12,156 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:12,333 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:12,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:12,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [479216032] [2025-03-17 15:09:12,334 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:12,334 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74561008] [2025-03-17 15:09:12,334 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74561008] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:12,334 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:12,334 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:09:12,334 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1711119501] [2025-03-17 15:09:12,334 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:12,334 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:09:12,334 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:12,335 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:09:12,335 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:12,335 INFO L87 Difference]: Start difference. First operand 470 states and 542 transitions. Second operand has 10 states, 9 states have (on average 18.11111111111111) internal successors, (163), 10 states have internal predecessors, (163), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:09:13,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:13,915 INFO L93 Difference]: Finished difference Result 510 states and 549 transitions. [2025-03-17 15:09:13,917 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:09:13,918 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 18.11111111111111) internal successors, (163), 10 states have internal predecessors, (163), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 121 [2025-03-17 15:09:13,918 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:13,919 INFO L225 Difference]: With dead ends: 510 [2025-03-17 15:09:13,919 INFO L226 Difference]: Without dead ends: 423 [2025-03-17 15:09:13,919 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:09:13,920 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 434 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 1403 mSolverCounterSat, 64 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 441 SdHoareTripleChecker+Valid, 431 SdHoareTripleChecker+Invalid, 1467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 64 IncrementalHoareTripleChecker+Valid, 1403 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:13,920 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [441 Valid, 431 Invalid, 1467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [64 Valid, 1403 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 15:09:13,921 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 423 states. [2025-03-17 15:09:13,930 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 423 to 417. [2025-03-17 15:09:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 417 states, 299 states have (on average 1.374581939799331) internal successors, (411), 392 states have internal predecessors, (411), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:09:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 417 states and 457 transitions. [2025-03-17 15:09:13,931 INFO L78 Accepts]: Start accepts. Automaton has 417 states and 457 transitions. Word has length 121 [2025-03-17 15:09:13,931 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:13,931 INFO L471 AbstractCegarLoop]: Abstraction has 417 states and 457 transitions. [2025-03-17 15:09:13,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 18.11111111111111) internal successors, (163), 10 states have internal predecessors, (163), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:09:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 457 transitions. [2025-03-17 15:09:13,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-17 15:09:13,933 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:13,933 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:09:13,940 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 15:09:14,133 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,SelfDestructingSolverStorable21 [2025-03-17 15:09:14,133 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:14,133 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:14,134 INFO L85 PathProgramCache]: Analyzing trace with hash 610918360, now seen corresponding path program 1 times [2025-03-17 15:09:14,134 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:14,134 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408732403] [2025-03-17 15:09:14,134 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:14,134 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:14,139 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-17 15:09:14,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-17 15:09:14,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:14,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:14,210 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:09:14,210 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:14,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408732403] [2025-03-17 15:09:14,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408732403] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:14,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1515751590] [2025-03-17 15:09:14,210 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:14,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:14,211 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:14,213 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 15:09:14,214 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 15:09:14,238 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-17 15:09:14,259 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-17 15:09:14,259 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:14,259 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:14,260 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:14,261 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:14,361 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:09:14,361 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:14,503 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:09:14,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1515751590] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:14,504 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:14,504 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-17 15:09:14,504 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1597673469] [2025-03-17 15:09:14,504 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:14,504 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:09:14,504 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:14,505 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:09:14,505 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:09:14,505 INFO L87 Difference]: Start difference. First operand 417 states and 457 transitions. Second operand has 9 states, 8 states have (on average 34.125) internal successors, (273), 9 states have internal predecessors, (273), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-17 15:09:14,733 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:14,733 INFO L93 Difference]: Finished difference Result 440 states and 466 transitions. [2025-03-17 15:09:14,733 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:09:14,734 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 34.125) internal successors, (273), 9 states have internal predecessors, (273), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) Word has length 166 [2025-03-17 15:09:14,734 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:14,735 INFO L225 Difference]: With dead ends: 440 [2025-03-17 15:09:14,735 INFO L226 Difference]: Without dead ends: 438 [2025-03-17 15:09:14,735 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 339 GetRequests, 327 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:09:14,736 INFO L435 NwaCegarLoop]: 193 mSDtfsCounter, 813 mSDsluCounter, 568 mSDsCounter, 0 mSdLazyCounter, 325 mSolverCounterSat, 41 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 813 SdHoareTripleChecker+Valid, 761 SdHoareTripleChecker+Invalid, 366 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 41 IncrementalHoareTripleChecker+Valid, 325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:14,736 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [813 Valid, 761 Invalid, 366 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [41 Valid, 325 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:14,736 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-03-17 15:09:14,743 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 415. [2025-03-17 15:09:14,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 299 states have (on average 1.3612040133779264) internal successors, (407), 390 states have internal predecessors, (407), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:09:14,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 453 transitions. [2025-03-17 15:09:14,745 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 453 transitions. Word has length 166 [2025-03-17 15:09:14,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:14,745 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 453 transitions. [2025-03-17 15:09:14,745 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 34.125) internal successors, (273), 9 states have internal predecessors, (273), 7 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 7 states have call predecessors, (27), 7 states have call successors, (27) [2025-03-17 15:09:14,745 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 453 transitions. [2025-03-17 15:09:14,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-03-17 15:09:14,749 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:14,749 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:14,756 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:14,950 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,SelfDestructingSolverStorable22 [2025-03-17 15:09:14,950 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:14,950 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:14,950 INFO L85 PathProgramCache]: Analyzing trace with hash 1758600106, now seen corresponding path program 1 times [2025-03-17 15:09:14,950 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:14,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [856912825] [2025-03-17 15:09:14,950 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:14,951 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:14,956 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-17 15:09:14,967 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-17 15:09:14,968 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:14,968 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:14,970 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1986922502] [2025-03-17 15:09:14,970 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:14,970 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:14,970 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:14,971 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 15:09:14,973 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 15:09:15,004 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-17 15:09:15,026 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-17 15:09:15,026 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:15,026 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:15,027 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:15,029 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:15,257 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:09:15,257 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:15,591 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [856912825] [2025-03-17 15:09:15,591 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:15,591 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1986922502] [2025-03-17 15:09:15,591 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1986922502] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:15,591 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:15,591 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:09:15,591 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1581605639] [2025-03-17 15:09:15,591 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:15,592 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:09:15,592 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:15,592 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:09:15,592 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:15,592 INFO L87 Difference]: Start difference. First operand 415 states and 453 transitions. Second operand has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-03-17 15:09:15,858 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:15,858 INFO L93 Difference]: Finished difference Result 421 states and 453 transitions. [2025-03-17 15:09:15,858 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:15,858 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) Word has length 167 [2025-03-17 15:09:15,859 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:15,860 INFO L225 Difference]: With dead ends: 421 [2025-03-17 15:09:15,860 INFO L226 Difference]: Without dead ends: 415 [2025-03-17 15:09:15,860 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 210 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=72, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:09:15,860 INFO L435 NwaCegarLoop]: 227 mSDtfsCounter, 93 mSDsluCounter, 527 mSDsCounter, 0 mSdLazyCounter, 434 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 93 SdHoareTripleChecker+Valid, 754 SdHoareTripleChecker+Invalid, 444 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 434 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:15,860 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [93 Valid, 754 Invalid, 444 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 434 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:15,861 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-03-17 15:09:15,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2025-03-17 15:09:15,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 299 states have (on average 1.3411371237458194) internal successors, (401), 390 states have internal predecessors, (401), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:09:15,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 447 transitions. [2025-03-17 15:09:15,876 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 447 transitions. Word has length 167 [2025-03-17 15:09:15,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:15,876 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 447 transitions. [2025-03-17 15:09:15,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 4 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 4 states have call predecessors, (11), 4 states have call successors, (11) [2025-03-17 15:09:15,877 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 447 transitions. [2025-03-17 15:09:15,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-17 15:09:15,877 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:15,878 INFO L218 NwaCegarLoop]: trace histogram [11, 11, 11, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:15,884 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 15:09:16,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2025-03-17 15:09:16,078 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:16,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:16,079 INFO L85 PathProgramCache]: Analyzing trace with hash 904154790, now seen corresponding path program 1 times [2025-03-17 15:09:16,079 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:16,079 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [83981918] [2025-03-17 15:09:16,079 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:16,079 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:16,084 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-17 15:09:16,093 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 15:09:16,093 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:16,093 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:16,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1882524862] [2025-03-17 15:09:16,095 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:16,095 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:16,095 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:16,097 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 15:09:16,099 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 15:09:16,125 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-17 15:09:16,146 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 15:09:16,146 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:16,146 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:16,149 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:09:16,151 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:17,167 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:09:17,167 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:17,676 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 220 trivial. 0 not checked. [2025-03-17 15:09:17,676 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:17,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [83981918] [2025-03-17 15:09:17,676 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:17,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1882524862] [2025-03-17 15:09:17,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1882524862] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:17,676 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:17,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-17 15:09:17,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [935826285] [2025-03-17 15:09:17,677 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:17,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:17,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:17,677 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:17,677 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:09:17,678 INFO L87 Difference]: Start difference. First operand 415 states and 447 transitions. Second operand has 11 states, 10 states have (on average 23.5) internal successors, (235), 11 states have internal predecessors, (235), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 15:09:20,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:20,019 INFO L93 Difference]: Finished difference Result 419 states and 447 transitions. [2025-03-17 15:09:20,019 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:09:20,019 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 23.5) internal successors, (235), 11 states have internal predecessors, (235), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) Word has length 171 [2025-03-17 15:09:20,020 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:20,021 INFO L225 Difference]: With dead ends: 419 [2025-03-17 15:09:20,021 INFO L226 Difference]: Without dead ends: 415 [2025-03-17 15:09:20,021 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 331 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=92, Invalid=180, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:09:20,021 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 467 mSDsluCounter, 245 mSDsCounter, 0 mSdLazyCounter, 1500 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 472 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 1526 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 1500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:20,021 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [472 Valid, 336 Invalid, 1526 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [26 Valid, 1500 Invalid, 0 Unknown, 0 Unchecked, 2.2s Time] [2025-03-17 15:09:20,022 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2025-03-17 15:09:20,030 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 415. [2025-03-17 15:09:20,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 415 states, 299 states have (on average 1.3277591973244147) internal successors, (397), 390 states have internal predecessors, (397), 23 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2025-03-17 15:09:20,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 415 states and 443 transitions. [2025-03-17 15:09:20,032 INFO L78 Accepts]: Start accepts. Automaton has 415 states and 443 transitions. Word has length 171 [2025-03-17 15:09:20,032 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:20,032 INFO L471 AbstractCegarLoop]: Abstraction has 415 states and 443 transitions. [2025-03-17 15:09:20,032 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 23.5) internal successors, (235), 11 states have internal predecessors, (235), 4 states have call successors, (22), 1 states have call predecessors, (22), 1 states have return successors, (22), 4 states have call predecessors, (22), 4 states have call successors, (22) [2025-03-17 15:09:20,032 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 443 transitions. [2025-03-17 15:09:20,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-17 15:09:20,033 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:20,033 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:20,040 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 15:09:20,237 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,SelfDestructingSolverStorable24 [2025-03-17 15:09:20,237 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:20,237 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:20,237 INFO L85 PathProgramCache]: Analyzing trace with hash 263943380, now seen corresponding path program 1 times [2025-03-17 15:09:20,237 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:20,237 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [685614460] [2025-03-17 15:09:20,238 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:20,238 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:20,243 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 15:09:20,255 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 15:09:20,256 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:20,256 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:20,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1800262495] [2025-03-17 15:09:20,258 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:20,258 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:20,258 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:20,260 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 15:09:20,261 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 15:09:20,287 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 15:09:20,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 15:09:20,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:20,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:20,316 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:09:20,334 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:20,800 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-17 15:09:20,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:21,432 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-17 15:09:21,432 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:21,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [685614460] [2025-03-17 15:09:21,432 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:21,432 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1800262495] [2025-03-17 15:09:21,432 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1800262495] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:21,432 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:21,432 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2025-03-17 15:09:21,432 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432478800] [2025-03-17 15:09:21,432 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:21,433 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:09:21,433 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:21,433 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:09:21,433 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:09:21,434 INFO L87 Difference]: Start difference. First operand 415 states and 443 transitions. Second operand has 15 states, 14 states have (on average 18.642857142857142) internal successors, (261), 15 states have internal predecessors, (261), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-17 15:09:22,831 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:22,831 INFO L93 Difference]: Finished difference Result 486 states and 556 transitions. [2025-03-17 15:09:22,832 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:09:22,832 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 18.642857142857142) internal successors, (261), 15 states have internal predecessors, (261), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) Word has length 190 [2025-03-17 15:09:22,832 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:22,833 INFO L225 Difference]: With dead ends: 486 [2025-03-17 15:09:22,833 INFO L226 Difference]: Without dead ends: 483 [2025-03-17 15:09:22,834 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 383 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=132, Invalid=248, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:09:22,834 INFO L435 NwaCegarLoop]: 57 mSDtfsCounter, 242 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 1865 mSolverCounterSat, 24 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 245 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 1889 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 24 IncrementalHoareTripleChecker+Valid, 1865 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:22,834 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [245 Valid, 260 Invalid, 1889 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [24 Valid, 1865 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2025-03-17 15:09:22,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2025-03-17 15:09:22,846 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 481. [2025-03-17 15:09:22,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 359 states have (on average 1.3760445682451254) internal successors, (494), 450 states have internal predecessors, (494), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-17 15:09:22,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 552 transitions. [2025-03-17 15:09:22,847 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 552 transitions. Word has length 190 [2025-03-17 15:09:22,848 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:22,848 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 552 transitions. [2025-03-17 15:09:22,848 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 18.642857142857142) internal successors, (261), 15 states have internal predecessors, (261), 7 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 7 states have call predecessors, (24), 7 states have call successors, (24) [2025-03-17 15:09:22,848 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 552 transitions. [2025-03-17 15:09:22,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-17 15:09:22,849 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:22,849 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:09:22,859 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:23,049 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:23,049 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:23,050 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:23,050 INFO L85 PathProgramCache]: Analyzing trace with hash -1511755644, now seen corresponding path program 1 times [2025-03-17 15:09:23,050 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:23,050 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [115497767] [2025-03-17 15:09:23,050 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:23,050 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:23,055 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:23,065 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:23,066 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:23,066 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:23,066 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [614735626] [2025-03-17 15:09:23,066 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:23,067 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:23,067 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:23,068 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 15:09:23,070 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 15:09:23,093 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:23,118 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:23,118 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:23,118 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:23,119 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:23,121 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:23,242 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 0 proven. 100 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-17 15:09:23,242 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:23,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:23,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [115497767] [2025-03-17 15:09:23,298 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:23,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [614735626] [2025-03-17 15:09:23,298 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [614735626] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:23,298 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:23,298 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:09:23,298 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [896305135] [2025-03-17 15:09:23,298 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:23,299 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:23,299 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:23,299 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:23,299 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:09:23,299 INFO L87 Difference]: Start difference. First operand 481 states and 552 transitions. Second operand has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:09:23,387 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:23,387 INFO L93 Difference]: Finished difference Result 633 states and 664 transitions. [2025-03-17 15:09:23,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:23,387 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 191 [2025-03-17 15:09:23,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:23,389 INFO L225 Difference]: With dead ends: 633 [2025-03-17 15:09:23,389 INFO L226 Difference]: Without dead ends: 632 [2025-03-17 15:09:23,389 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 228 GetRequests, 223 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 15:09:23,389 INFO L435 NwaCegarLoop]: 231 mSDtfsCounter, 234 mSDsluCounter, 508 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 244 SdHoareTripleChecker+Valid, 739 SdHoareTripleChecker+Invalid, 127 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 127 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:23,389 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [244 Valid, 739 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:23,390 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2025-03-17 15:09:23,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 481. [2025-03-17 15:09:23,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 481 states, 359 states have (on average 1.373259052924791) internal successors, (493), 450 states have internal predecessors, (493), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-17 15:09:23,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 481 states and 551 transitions. [2025-03-17 15:09:23,402 INFO L78 Accepts]: Start accepts. Automaton has 481 states and 551 transitions. Word has length 191 [2025-03-17 15:09:23,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:23,402 INFO L471 AbstractCegarLoop]: Abstraction has 481 states and 551 transitions. [2025-03-17 15:09:23,402 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 33.5) internal successors, (134), 5 states have internal predecessors, (134), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:09:23,402 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 551 transitions. [2025-03-17 15:09:23,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-17 15:09:23,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:23,403 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:23,411 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2025-03-17 15:09:23,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2025-03-17 15:09:23,604 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:23,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:23,604 INFO L85 PathProgramCache]: Analyzing trace with hash -407689721, now seen corresponding path program 1 times [2025-03-17 15:09:23,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:23,604 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1297027011] [2025-03-17 15:09:23,604 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:23,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:23,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:23,615 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:23,615 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:23,615 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:23,747 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-17 15:09:23,747 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:23,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1297027011] [2025-03-17 15:09:23,748 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1297027011] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:23,748 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [699534114] [2025-03-17 15:09:23,748 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:23,748 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:23,748 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:23,750 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:23,751 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2025-03-17 15:09:23,775 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:23,798 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:23,798 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:23,798 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:23,800 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:23,805 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:24,189 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-17 15:09:24,190 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:24,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [699534114] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:24,265 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:24,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-17 15:09:24,266 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [418011120] [2025-03-17 15:09:24,266 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:24,267 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:24,267 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:24,267 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:24,268 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:24,268 INFO L87 Difference]: Start difference. First operand 481 states and 551 transitions. Second operand has 11 states, 10 states have (on average 26.3) internal successors, (263), 11 states have internal predecessors, (263), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:09:25,130 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:25,130 INFO L93 Difference]: Finished difference Result 481 states and 551 transitions. [2025-03-17 15:09:25,130 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:09:25,130 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 26.3) internal successors, (263), 11 states have internal predecessors, (263), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) Word has length 191 [2025-03-17 15:09:25,131 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:25,132 INFO L225 Difference]: With dead ends: 481 [2025-03-17 15:09:25,132 INFO L226 Difference]: Without dead ends: 467 [2025-03-17 15:09:25,132 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:09:25,132 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 567 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 1221 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 567 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 1278 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1221 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:25,132 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [567 Valid, 200 Invalid, 1278 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1221 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:09:25,133 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 467 states. [2025-03-17 15:09:25,144 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 467 to 467. [2025-03-17 15:09:25,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 467 states, 359 states have (on average 1.3119777158774373) internal successors, (471), 436 states have internal predecessors, (471), 29 states have call successors, (29), 1 states have call predecessors, (29), 1 states have return successors, (29), 29 states have call predecessors, (29), 29 states have call successors, (29) [2025-03-17 15:09:25,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 467 states and 529 transitions. [2025-03-17 15:09:25,145 INFO L78 Accepts]: Start accepts. Automaton has 467 states and 529 transitions. Word has length 191 [2025-03-17 15:09:25,145 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:25,145 INFO L471 AbstractCegarLoop]: Abstraction has 467 states and 529 transitions. [2025-03-17 15:09:25,146 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 26.3) internal successors, (263), 11 states have internal predecessors, (263), 4 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 4 states have call predecessors, (24), 4 states have call successors, (24) [2025-03-17 15:09:25,146 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 529 transitions. [2025-03-17 15:09:25,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-17 15:09:25,146 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:25,146 INFO L218 NwaCegarLoop]: trace histogram [12, 12, 12, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:25,153 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:25,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2025-03-17 15:09:25,348 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:25,348 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:25,348 INFO L85 PathProgramCache]: Analyzing trace with hash -298020669, now seen corresponding path program 1 times [2025-03-17 15:09:25,348 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:25,348 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1580919769] [2025-03-17 15:09:25,348 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:25,348 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:25,361 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-17 15:09:25,382 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-17 15:09:25,384 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:25,385 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:25,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [949272445] [2025-03-17 15:09:25,385 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:25,386 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:25,386 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:25,388 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:25,390 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2025-03-17 15:09:25,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-17 15:09:25,457 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-17 15:09:25,457 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:25,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:25,458 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:09:25,463 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 316 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 264 trivial. 0 not checked. [2025-03-17 15:09:25,991 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:26,457 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:26,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1580919769] [2025-03-17 15:09:26,457 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:26,457 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [949272445] [2025-03-17 15:09:26,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [949272445] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:26,457 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:26,457 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:09:26,457 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69111957] [2025-03-17 15:09:26,457 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:26,458 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:26,458 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:26,458 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:26,458 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:09:26,458 INFO L87 Difference]: Start difference. First operand 467 states and 529 transitions. Second operand has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 8 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:09:27,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:27,047 INFO L93 Difference]: Finished difference Result 469 states and 529 transitions. [2025-03-17 15:09:27,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:09:27,049 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 8 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) Word has length 195 [2025-03-17 15:09:27,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:27,050 INFO L225 Difference]: With dead ends: 469 [2025-03-17 15:09:27,050 INFO L226 Difference]: Without dead ends: 433 [2025-03-17 15:09:27,050 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:09:27,051 INFO L435 NwaCegarLoop]: 172 mSDtfsCounter, 36 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 1424 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 364 SdHoareTripleChecker+Invalid, 1427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:27,051 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 364 Invalid, 1427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1424 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:09:27,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 433 states. [2025-03-17 15:09:27,066 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 433 to 433. [2025-03-17 15:09:27,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 433 states, 327 states have (on average 1.3363914373088686) internal successors, (437), 404 states have internal predecessors, (437), 27 states have call successors, (27), 1 states have call predecessors, (27), 1 states have return successors, (27), 27 states have call predecessors, (27), 27 states have call successors, (27) [2025-03-17 15:09:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 491 transitions. [2025-03-17 15:09:27,067 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 491 transitions. Word has length 195 [2025-03-17 15:09:27,067 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:27,067 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 491 transitions. [2025-03-17 15:09:27,067 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 19.714285714285715) internal successors, (138), 8 states have internal predecessors, (138), 3 states have call successors, (12), 1 states have call predecessors, (12), 1 states have return successors, (12), 3 states have call predecessors, (12), 3 states have call successors, (12) [2025-03-17 15:09:27,068 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 491 transitions. [2025-03-17 15:09:27,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2025-03-17 15:09:27,068 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:27,068 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:09:27,076 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2025-03-17 15:09:27,272 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2025-03-17 15:09:27,273 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:27,273 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:27,273 INFO L85 PathProgramCache]: Analyzing trace with hash -1223505879, now seen corresponding path program 2 times [2025-03-17 15:09:27,273 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:27,273 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [554208677] [2025-03-17 15:09:27,273 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:27,273 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:27,279 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 198 statements into 2 equivalence classes. [2025-03-17 15:09:27,290 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-03-17 15:09:27,291 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:27,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:27,292 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [422008213] [2025-03-17 15:09:27,292 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:27,292 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:27,292 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:27,293 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:27,295 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2025-03-17 15:09:27,322 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 198 statements into 2 equivalence classes. [2025-03-17 15:09:27,354 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-03-17 15:09:27,354 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:27,354 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:27,355 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 18 conjuncts are in the unsatisfiable core [2025-03-17 15:09:27,358 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:27,743 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 0 proven. 106 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:27,744 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:27,957 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:27,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [554208677] [2025-03-17 15:09:27,957 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:27,957 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [422008213] [2025-03-17 15:09:27,957 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [422008213] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:27,957 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:27,957 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:09:27,957 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [90567366] [2025-03-17 15:09:27,957 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:27,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:09:27,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:27,958 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:09:27,958 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:09:27,958 INFO L87 Difference]: Start difference. First operand 433 states and 491 transitions. Second operand has 9 states, 8 states have (on average 17.0) internal successors, (136), 9 states have internal predecessors, (136), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-17 15:09:28,591 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:28,591 INFO L93 Difference]: Finished difference Result 529 states and 604 transitions. [2025-03-17 15:09:28,591 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:09:28,591 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 17.0) internal successors, (136), 9 states have internal predecessors, (136), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) Word has length 198 [2025-03-17 15:09:28,592 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:28,593 INFO L225 Difference]: With dead ends: 529 [2025-03-17 15:09:28,593 INFO L226 Difference]: Without dead ends: 505 [2025-03-17 15:09:28,593 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 232 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=87, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:09:28,593 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 121 mSDsluCounter, 274 mSDsCounter, 0 mSdLazyCounter, 1656 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 398 SdHoareTripleChecker+Invalid, 1679 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 1656 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:28,593 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 398 Invalid, 1679 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 1656 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:09:28,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 505 states. [2025-03-17 15:09:28,606 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 505 to 497. [2025-03-17 15:09:28,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 497 states, 388 states have (on average 1.3221649484536082) internal successors, (513), 465 states have internal predecessors, (513), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:09:28,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 497 states and 573 transitions. [2025-03-17 15:09:28,607 INFO L78 Accepts]: Start accepts. Automaton has 497 states and 573 transitions. Word has length 198 [2025-03-17 15:09:28,607 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:28,607 INFO L471 AbstractCegarLoop]: Abstraction has 497 states and 573 transitions. [2025-03-17 15:09:28,607 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 17.0) internal successors, (136), 9 states have internal predecessors, (136), 3 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 3 states have call predecessors, (13), 3 states have call successors, (13) [2025-03-17 15:09:28,607 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 573 transitions. [2025-03-17 15:09:28,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-17 15:09:28,608 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:28,608 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:09:28,614 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2025-03-17 15:09:28,808 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:28,809 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:28,809 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:28,809 INFO L85 PathProgramCache]: Analyzing trace with hash 726023630, now seen corresponding path program 2 times [2025-03-17 15:09:28,809 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:28,809 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1701787531] [2025-03-17 15:09:28,809 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:28,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:28,814 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-17 15:09:28,820 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 15:09:28,820 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:28,820 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:28,930 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:28,930 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:28,930 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1701787531] [2025-03-17 15:09:28,931 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1701787531] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:28,931 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [508324487] [2025-03-17 15:09:28,931 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:28,931 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:28,931 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:28,933 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:28,934 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2025-03-17 15:09:28,960 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-17 15:09:28,986 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 15:09:28,986 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:28,986 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:28,987 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:28,991 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:29,277 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:29,277 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:29,449 INFO L134 CoverageAnalysis]: Checked inductivity of 420 backedges. 0 proven. 108 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:29,449 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [508324487] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:29,449 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:29,449 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 15:09:29,449 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790393086] [2025-03-17 15:09:29,449 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:29,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:09:29,450 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:29,450 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:09:29,450 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:29,450 INFO L87 Difference]: Start difference. First operand 497 states and 573 transitions. Second operand has 13 states, 12 states have (on average 31.333333333333332) internal successors, (376), 13 states have internal predecessors, (376), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-17 15:09:30,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:30,418 INFO L93 Difference]: Finished difference Result 497 states and 573 transitions. [2025-03-17 15:09:30,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:09:30,418 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.333333333333332) internal successors, (376), 13 states have internal predecessors, (376), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 199 [2025-03-17 15:09:30,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:30,420 INFO L225 Difference]: With dead ends: 497 [2025-03-17 15:09:30,420 INFO L226 Difference]: Without dead ends: 493 [2025-03-17 15:09:30,420 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 406 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 31 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:09:30,420 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 453 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1449 mSolverCounterSat, 32 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 453 SdHoareTripleChecker+Valid, 597 SdHoareTripleChecker+Invalid, 1481 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 32 IncrementalHoareTripleChecker+Valid, 1449 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:30,420 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [453 Valid, 597 Invalid, 1481 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [32 Valid, 1449 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2025-03-17 15:09:30,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2025-03-17 15:09:30,433 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 493. [2025-03-17 15:09:30,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 493 states, 388 states have (on average 1.3015463917525774) internal successors, (505), 461 states have internal predecessors, (505), 30 states have call successors, (30), 1 states have call predecessors, (30), 1 states have return successors, (30), 30 states have call predecessors, (30), 30 states have call successors, (30) [2025-03-17 15:09:30,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 493 states and 565 transitions. [2025-03-17 15:09:30,434 INFO L78 Accepts]: Start accepts. Automaton has 493 states and 565 transitions. Word has length 199 [2025-03-17 15:09:30,434 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:30,434 INFO L471 AbstractCegarLoop]: Abstraction has 493 states and 565 transitions. [2025-03-17 15:09:30,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.333333333333332) internal successors, (376), 13 states have internal predecessors, (376), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-17 15:09:30,434 INFO L276 IsEmpty]: Start isEmpty. Operand 493 states and 565 transitions. [2025-03-17 15:09:30,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-03-17 15:09:30,435 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:30,435 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:09:30,442 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:30,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:30,635 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:30,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:30,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1031896263, now seen corresponding path program 2 times [2025-03-17 15:09:30,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:30,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1304763294] [2025-03-17 15:09:30,636 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:30,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:30,641 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-03-17 15:09:30,647 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-03-17 15:09:30,647 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:30,647 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:30,742 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:30,743 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1304763294] [2025-03-17 15:09:30,743 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1304763294] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:30,743 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [859873728] [2025-03-17 15:09:30,743 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:30,743 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:30,743 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:30,745 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:30,746 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2025-03-17 15:09:30,770 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-03-17 15:09:30,795 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-03-17 15:09:30,795 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:30,796 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:30,796 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:30,798 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:31,058 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:31,059 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:31,236 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 110 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:31,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [859873728] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:31,237 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:31,237 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 15:09:31,237 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182944054] [2025-03-17 15:09:31,237 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:31,237 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:09:31,237 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:31,238 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:09:31,238 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:31,238 INFO L87 Difference]: Start difference. First operand 493 states and 565 transitions. Second operand has 13 states, 12 states have (on average 31.5) internal successors, (378), 13 states have internal predecessors, (378), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-17 15:09:31,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:31,817 INFO L93 Difference]: Finished difference Result 542 states and 607 transitions. [2025-03-17 15:09:31,818 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:09:31,818 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 31.5) internal successors, (378), 13 states have internal predecessors, (378), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) Word has length 200 [2025-03-17 15:09:31,818 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:31,819 INFO L225 Difference]: With dead ends: 542 [2025-03-17 15:09:31,819 INFO L226 Difference]: Without dead ends: 540 [2025-03-17 15:09:31,819 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 407 GetRequests, 392 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 39 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=103, Invalid=169, Unknown=0, NotChecked=0, Total=272 [2025-03-17 15:09:31,820 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 379 mSDsluCounter, 477 mSDsCounter, 0 mSdLazyCounter, 1070 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 386 SdHoareTripleChecker+Valid, 577 SdHoareTripleChecker+Invalid, 1090 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 1070 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:31,820 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [386 Valid, 577 Invalid, 1090 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 1070 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:31,821 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 540 states. [2025-03-17 15:09:31,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 540 to 520. [2025-03-17 15:09:31,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 520 states, 412 states have (on average 1.2888349514563107) internal successors, (531), 485 states have internal predecessors, (531), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-17 15:09:31,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 520 states and 597 transitions. [2025-03-17 15:09:31,839 INFO L78 Accepts]: Start accepts. Automaton has 520 states and 597 transitions. Word has length 200 [2025-03-17 15:09:31,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:31,839 INFO L471 AbstractCegarLoop]: Abstraction has 520 states and 597 transitions. [2025-03-17 15:09:31,839 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 31.5) internal successors, (378), 13 states have internal predecessors, (378), 8 states have call successors, (36), 1 states have call predecessors, (36), 1 states have return successors, (36), 8 states have call predecessors, (36), 8 states have call successors, (36) [2025-03-17 15:09:31,839 INFO L276 IsEmpty]: Start isEmpty. Operand 520 states and 597 transitions. [2025-03-17 15:09:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-17 15:09:31,840 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:31,840 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2025-03-17 15:09:31,846 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:32,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable31 [2025-03-17 15:09:32,040 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:32,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash -485129883, now seen corresponding path program 1 times [2025-03-17 15:09:32,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1419380445] [2025-03-17 15:09:32,041 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:32,041 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:32,046 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-17 15:09:32,052 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-17 15:09:32,052 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:32,052 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:32,152 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:32,152 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1419380445] [2025-03-17 15:09:32,153 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1419380445] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:32,153 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [675300218] [2025-03-17 15:09:32,153 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:32,153 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:32,153 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:32,155 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:32,156 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2025-03-17 15:09:32,191 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-17 15:09:32,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-17 15:09:32,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:32,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:32,218 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:09:32,220 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:32,566 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 0 proven. 114 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:32,566 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:32,631 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [675300218] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:32,631 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:32,631 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-17 15:09:32,631 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1201881810] [2025-03-17 15:09:32,631 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:32,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:32,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:32,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:32,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:32,632 INFO L87 Difference]: Start difference. First operand 520 states and 597 transitions. Second operand has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-17 15:09:34,112 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:34,113 INFO L93 Difference]: Finished difference Result 520 states and 597 transitions. [2025-03-17 15:09:34,113 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:09:34,113 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) Word has length 202 [2025-03-17 15:09:34,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:34,114 INFO L225 Difference]: With dead ends: 520 [2025-03-17 15:09:34,114 INFO L226 Difference]: Without dead ends: 506 [2025-03-17 15:09:34,114 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 203 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=112, Invalid=308, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:09:34,115 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 591 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 1350 mSolverCounterSat, 57 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 591 SdHoareTripleChecker+Valid, 614 SdHoareTripleChecker+Invalid, 1407 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 57 IncrementalHoareTripleChecker+Valid, 1350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:34,115 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [591 Valid, 614 Invalid, 1407 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [57 Valid, 1350 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 15:09:34,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 506 states. [2025-03-17 15:09:34,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 506 to 502. [2025-03-17 15:09:34,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 502 states, 408 states have (on average 1.2450980392156863) internal successors, (508), 467 states have internal predecessors, (508), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-17 15:09:34,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 574 transitions. [2025-03-17 15:09:34,129 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 574 transitions. Word has length 202 [2025-03-17 15:09:34,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:34,129 INFO L471 AbstractCegarLoop]: Abstraction has 502 states and 574 transitions. [2025-03-17 15:09:34,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 25.2) internal successors, (252), 11 states have internal predecessors, (252), 5 states have call successors, (23), 1 states have call predecessors, (23), 1 states have return successors, (23), 5 states have call predecessors, (23), 5 states have call successors, (23) [2025-03-17 15:09:34,129 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 574 transitions. [2025-03-17 15:09:34,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-17 15:09:34,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:34,130 INFO L218 NwaCegarLoop]: trace histogram [13, 13, 13, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 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 15:09:34,138 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Ended with exit code 0 [2025-03-17 15:09:34,331 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable32 [2025-03-17 15:09:34,331 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:34,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:34,331 INFO L85 PathProgramCache]: Analyzing trace with hash 60812072, now seen corresponding path program 1 times [2025-03-17 15:09:34,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:34,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [978752397] [2025-03-17 15:09:34,331 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:34,331 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:34,337 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-17 15:09:34,347 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-17 15:09:34,349 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:34,349 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:34,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1023751488] [2025-03-17 15:09:34,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:34,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:34,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:34,353 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:34,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2025-03-17 15:09:34,379 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-17 15:09:34,403 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-17 15:09:34,403 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:34,403 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:34,404 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:09:34,406 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:34,810 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:34,810 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 432 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 312 trivial. 0 not checked. [2025-03-17 15:09:35,089 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:35,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [978752397] [2025-03-17 15:09:35,089 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:35,089 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1023751488] [2025-03-17 15:09:35,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1023751488] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:35,089 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:35,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-17 15:09:35,089 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243033822] [2025-03-17 15:09:35,089 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:35,089 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:09:35,089 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:35,090 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:09:35,090 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:09:35,090 INFO L87 Difference]: Start difference. First operand 502 states and 574 transitions. Second operand has 16 states, 15 states have (on average 18.733333333333334) internal successors, (281), 16 states have internal predecessors, (281), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-17 15:09:36,483 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.10s for a HTC check with result INVALID. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=true, quantifiers [] [2025-03-17 15:09:38,866 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:38,866 INFO L93 Difference]: Finished difference Result 801 states and 971 transitions. [2025-03-17 15:09:38,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:09:38,867 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 18.733333333333334) internal successors, (281), 16 states have internal predecessors, (281), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) Word has length 205 [2025-03-17 15:09:38,867 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:38,869 INFO L225 Difference]: With dead ends: 801 [2025-03-17 15:09:38,869 INFO L226 Difference]: Without dead ends: 717 [2025-03-17 15:09:38,870 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:09:38,870 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 1319 mSDsluCounter, 867 mSDsCounter, 0 mSdLazyCounter, 2632 mSolverCounterSat, 116 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1333 SdHoareTripleChecker+Valid, 988 SdHoareTripleChecker+Invalid, 2748 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 116 IncrementalHoareTripleChecker+Valid, 2632 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:38,870 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1333 Valid, 988 Invalid, 2748 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [116 Valid, 2632 Invalid, 0 Unknown, 0 Unchecked, 3.6s Time] [2025-03-17 15:09:38,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 717 states. [2025-03-17 15:09:38,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 717 to 519. [2025-03-17 15:09:38,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 519 states, 424 states have (on average 1.224056603773585) internal successors, (519), 482 states have internal predecessors, (519), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:38,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 519 states and 589 transitions. [2025-03-17 15:09:38,889 INFO L78 Accepts]: Start accepts. Automaton has 519 states and 589 transitions. Word has length 205 [2025-03-17 15:09:38,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:38,889 INFO L471 AbstractCegarLoop]: Abstraction has 519 states and 589 transitions. [2025-03-17 15:09:38,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 18.733333333333334) internal successors, (281), 16 states have internal predecessors, (281), 6 states have call successors, (26), 1 states have call predecessors, (26), 1 states have return successors, (26), 6 states have call predecessors, (26), 6 states have call successors, (26) [2025-03-17 15:09:38,889 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 589 transitions. [2025-03-17 15:09:38,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2025-03-17 15:09:38,890 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:38,890 INFO L218 NwaCegarLoop]: trace histogram [15, 15, 15, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2025-03-17 15:09:38,896 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Ended with exit code 0 [2025-03-17 15:09:39,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:39,091 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:39,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:39,091 INFO L85 PathProgramCache]: Analyzing trace with hash 668503511, now seen corresponding path program 1 times [2025-03-17 15:09:39,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:39,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [727263486] [2025-03-17 15:09:39,091 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:39,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:39,097 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 243 statements into 1 equivalence classes. [2025-03-17 15:09:39,104 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 243 of 243 statements. [2025-03-17 15:09:39,105 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:39,105 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:39,137 INFO L134 CoverageAnalysis]: Checked inductivity of 600 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 546 trivial. 0 not checked. [2025-03-17 15:09:39,137 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:39,137 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [727263486] [2025-03-17 15:09:39,137 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [727263486] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:39,137 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:39,137 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:39,137 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [788033064] [2025-03-17 15:09:39,137 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:39,138 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:39,138 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:39,138 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:39,138 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:39,138 INFO L87 Difference]: Start difference. First operand 519 states and 589 transitions. Second operand has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:09:39,298 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:39,299 INFO L93 Difference]: Finished difference Result 519 states and 589 transitions. [2025-03-17 15:09:39,299 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:39,299 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) Word has length 243 [2025-03-17 15:09:39,299 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:39,300 INFO L225 Difference]: With dead ends: 519 [2025-03-17 15:09:39,300 INFO L226 Difference]: Without dead ends: 518 [2025-03-17 15:09:39,301 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 15:09:39,301 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 121 mSDsluCounter, 43 mSDsCounter, 0 mSdLazyCounter, 178 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 179 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 178 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:39,301 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 143 Invalid, 179 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 178 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:39,301 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 518 states. [2025-03-17 15:09:39,316 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 518 to 518. [2025-03-17 15:09:39,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 518 states, 424 states have (on average 1.2169811320754718) internal successors, (516), 481 states have internal predecessors, (516), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:39,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 586 transitions. [2025-03-17 15:09:39,317 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 586 transitions. Word has length 243 [2025-03-17 15:09:39,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:39,317 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 586 transitions. [2025-03-17 15:09:39,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 43.5) internal successors, (87), 3 states have internal predecessors, (87), 2 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 2 states have call predecessors, (7), 2 states have call successors, (7) [2025-03-17 15:09:39,318 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 586 transitions. [2025-03-17 15:09:39,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-03-17 15:09:39,318 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:39,318 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:39,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34 [2025-03-17 15:09:39,319 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:39,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:39,319 INFO L85 PathProgramCache]: Analyzing trace with hash -848226245, now seen corresponding path program 2 times [2025-03-17 15:09:39,319 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:39,319 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18219845] [2025-03-17 15:09:39,319 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:39,319 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:39,325 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-17 15:09:39,336 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 15:09:39,336 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:39,336 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:39,337 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1114360414] [2025-03-17 15:09:39,337 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:39,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:39,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:39,339 INFO L229 MonitoredProcess]: Starting monitored process 24 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:39,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2025-03-17 15:09:39,366 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-17 15:09:39,396 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 15:09:39,397 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:39,397 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:39,398 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:09:39,400 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:40,102 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-17 15:09:40,103 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:40,401 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:40,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18219845] [2025-03-17 15:09:40,401 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:40,401 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1114360414] [2025-03-17 15:09:40,401 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1114360414] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:40,401 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:40,401 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:09:40,402 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794650424] [2025-03-17 15:09:40,402 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:40,402 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:40,402 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:40,402 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:40,402 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:40,402 INFO L87 Difference]: Start difference. First operand 518 states and 586 transitions. Second operand has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-17 15:09:41,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:41,073 INFO L93 Difference]: Finished difference Result 518 states and 586 transitions. [2025-03-17 15:09:41,074 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:09:41,074 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) Word has length 247 [2025-03-17 15:09:41,074 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:41,075 INFO L225 Difference]: With dead ends: 518 [2025-03-17 15:09:41,075 INFO L226 Difference]: Without dead ends: 517 [2025-03-17 15:09:41,075 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 344 GetRequests, 332 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=65, Invalid=117, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:09:41,076 INFO L435 NwaCegarLoop]: 111 mSDtfsCounter, 403 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 403 SdHoareTripleChecker+Valid, 372 SdHoareTripleChecker+Invalid, 1008 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:41,076 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [403 Valid, 372 Invalid, 1008 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:09:41,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2025-03-17 15:09:41,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2025-03-17 15:09:41,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 424 states have (on average 1.2122641509433962) internal successors, (514), 480 states have internal predecessors, (514), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:41,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 584 transitions. [2025-03-17 15:09:41,092 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 584 transitions. Word has length 247 [2025-03-17 15:09:41,092 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:41,092 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 584 transitions. [2025-03-17 15:09:41,092 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.285714285714285) internal successors, (170), 8 states have internal predecessors, (170), 3 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 3 states have call predecessors, (16), 3 states have call successors, (16) [2025-03-17 15:09:41,092 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 584 transitions. [2025-03-17 15:09:41,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-17 15:09:41,093 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:41,093 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:41,099 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2025-03-17 15:09:41,293 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:41,294 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:41,294 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:41,294 INFO L85 PathProgramCache]: Analyzing trace with hash -525209691, now seen corresponding path program 1 times [2025-03-17 15:09:41,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:41,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1129797344] [2025-03-17 15:09:41,294 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:41,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:41,300 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-03-17 15:09:41,310 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-03-17 15:09:41,310 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:41,310 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:41,313 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [204044205] [2025-03-17 15:09:41,313 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:41,313 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:41,313 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:41,316 INFO L229 MonitoredProcess]: Starting monitored process 25 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:41,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2025-03-17 15:09:41,345 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 248 statements into 1 equivalence classes. [2025-03-17 15:09:41,383 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 248 of 248 statements. [2025-03-17 15:09:41,383 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:41,383 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:41,386 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:09:41,387 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:41,625 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-17 15:09:41,625 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:41,903 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1129797344] [2025-03-17 15:09:41,903 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:41,903 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [204044205] [2025-03-17 15:09:41,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [204044205] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:41,903 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:41,903 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:09:41,903 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1527651990] [2025-03-17 15:09:41,903 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:41,903 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:41,903 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:41,903 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:41,904 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:09:41,904 INFO L87 Difference]: Start difference. First operand 517 states and 584 transitions. Second operand has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-17 15:09:42,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:42,224 INFO L93 Difference]: Finished difference Result 518 states and 584 transitions. [2025-03-17 15:09:42,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:09:42,225 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) Word has length 248 [2025-03-17 15:09:42,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:42,226 INFO L225 Difference]: With dead ends: 518 [2025-03-17 15:09:42,226 INFO L226 Difference]: Without dead ends: 517 [2025-03-17 15:09:42,226 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 301 GetRequests, 291 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:09:42,227 INFO L435 NwaCegarLoop]: 238 mSDtfsCounter, 92 mSDsluCounter, 944 mSDsCounter, 0 mSdLazyCounter, 749 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 92 SdHoareTripleChecker+Valid, 1182 SdHoareTripleChecker+Invalid, 754 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 749 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:42,227 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [92 Valid, 1182 Invalid, 754 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 749 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:42,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2025-03-17 15:09:42,245 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2025-03-17 15:09:42,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 424 states have (on average 1.2099056603773586) internal successors, (513), 480 states have internal predecessors, (513), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:42,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 583 transitions. [2025-03-17 15:09:42,246 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 583 transitions. Word has length 248 [2025-03-17 15:09:42,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:42,247 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 583 transitions. [2025-03-17 15:09:42,247 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.428571428571427) internal successors, (171), 8 states have internal predecessors, (171), 5 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 5 states have call predecessors, (16), 5 states have call successors, (16) [2025-03-17 15:09:42,247 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 583 transitions. [2025-03-17 15:09:42,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-03-17 15:09:42,248 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:42,248 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:42,254 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2025-03-17 15:09:42,448 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2025-03-17 15:09:42,448 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:42,449 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:42,449 INFO L85 PathProgramCache]: Analyzing trace with hash 44079799, now seen corresponding path program 2 times [2025-03-17 15:09:42,449 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:42,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1544155230] [2025-03-17 15:09:42,449 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:42,449 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:42,455 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-03-17 15:09:42,469 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-03-17 15:09:42,471 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:42,471 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:42,472 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1718586782] [2025-03-17 15:09:42,474 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:42,474 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:42,474 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:42,475 INFO L229 MonitoredProcess]: Starting monitored process 26 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:42,477 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2025-03-17 15:09:42,506 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-03-17 15:09:42,559 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-03-17 15:09:42,559 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:42,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:42,560 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:09:42,562 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:43,063 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-17 15:09:43,063 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:43,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1544155230] [2025-03-17 15:09:43,230 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:43,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1718586782] [2025-03-17 15:09:43,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1718586782] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:43,230 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:43,230 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:09:43,230 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189784613] [2025-03-17 15:09:43,230 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:43,230 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:09:43,230 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:43,231 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:09:43,231 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:09:43,231 INFO L87 Difference]: Start difference. First operand 517 states and 583 transitions. Second operand has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:09:44,758 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:44,758 INFO L93 Difference]: Finished difference Result 517 states and 583 transitions. [2025-03-17 15:09:44,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2025-03-17 15:09:44,759 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 251 [2025-03-17 15:09:44,759 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:44,760 INFO L225 Difference]: With dead ends: 517 [2025-03-17 15:09:44,760 INFO L226 Difference]: Without dead ends: 515 [2025-03-17 15:09:44,761 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=113, Invalid=267, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:09:44,761 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 566 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1368 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 566 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1411 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 1368 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:44,761 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [566 Valid, 166 Invalid, 1411 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 1368 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 15:09:44,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-03-17 15:09:44,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-03-17 15:09:44,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 424 states have (on average 1.2004716981132075) internal successors, (509), 478 states have internal predecessors, (509), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:44,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 579 transitions. [2025-03-17 15:09:44,777 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 579 transitions. Word has length 251 [2025-03-17 15:09:44,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:44,777 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 579 transitions. [2025-03-17 15:09:44,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.333333333333332) internal successors, (174), 10 states have internal predecessors, (174), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:09:44,777 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 579 transitions. [2025-03-17 15:09:44,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-03-17 15:09:44,778 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:44,778 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:44,785 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:44,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 26 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2025-03-17 15:09:44,979 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:44,979 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:44,979 INFO L85 PathProgramCache]: Analyzing trace with hash 1366473889, now seen corresponding path program 1 times [2025-03-17 15:09:44,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:44,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [126716457] [2025-03-17 15:09:44,979 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:44,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:44,987 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-03-17 15:09:45,004 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-03-17 15:09:45,005 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:45,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:45,005 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436784883] [2025-03-17 15:09:45,006 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:45,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:45,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:45,008 INFO L229 MonitoredProcess]: Starting monitored process 27 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:45,009 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2025-03-17 15:09:45,038 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-03-17 15:09:45,068 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-03-17 15:09:45,068 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:45,068 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:45,069 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:09:45,072 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:45,705 INFO L134 CoverageAnalysis]: Checked inductivity of 644 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-17 15:09:45,706 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:45,809 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:45,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [126716457] [2025-03-17 15:09:45,809 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:45,809 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436784883] [2025-03-17 15:09:45,809 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436784883] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:45,809 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:45,809 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:09:45,810 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [784798589] [2025-03-17 15:09:45,810 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:45,810 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:45,810 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:45,810 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:45,810 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:45,810 INFO L87 Difference]: Start difference. First operand 515 states and 579 transitions. Second operand has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:09:46,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:46,631 INFO L93 Difference]: Finished difference Result 518 states and 579 transitions. [2025-03-17 15:09:46,631 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:09:46,631 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) Word has length 252 [2025-03-17 15:09:46,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:46,632 INFO L225 Difference]: With dead ends: 518 [2025-03-17 15:09:46,632 INFO L226 Difference]: Without dead ends: 515 [2025-03-17 15:09:46,633 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 259 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=140, Unknown=0, NotChecked=0, Total=182 [2025-03-17 15:09:46,633 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 54 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 2423 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 2428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2423 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:46,633 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 447 Invalid, 2428 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2423 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:09:46,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-03-17 15:09:46,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-03-17 15:09:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 515 states, 424 states have (on average 1.1933962264150944) internal successors, (506), 478 states have internal predecessors, (506), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 576 transitions. [2025-03-17 15:09:46,651 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 576 transitions. Word has length 252 [2025-03-17 15:09:46,651 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:46,651 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 576 transitions. [2025-03-17 15:09:46,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 17.5) internal successors, (175), 11 states have internal predecessors, (175), 4 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 4 states have call predecessors, (16), 4 states have call successors, (16) [2025-03-17 15:09:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 576 transitions. [2025-03-17 15:09:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2025-03-17 15:09:46,652 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:46,652 INFO L218 NwaCegarLoop]: trace histogram [16, 16, 16, 4, 4, 4, 4, 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, 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 15:09:46,658 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:46,853 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2025-03-17 15:09:46,854 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:46,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:46,854 INFO L85 PathProgramCache]: Analyzing trace with hash -700640996, now seen corresponding path program 1 times [2025-03-17 15:09:46,854 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:46,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [705347599] [2025-03-17 15:09:46,854 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:46,854 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:46,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-03-17 15:09:46,873 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-03-17 15:09:46,873 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:46,873 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:46,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [67439934] [2025-03-17 15:09:46,874 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:46,874 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:46,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:46,877 INFO L229 MonitoredProcess]: Starting monitored process 28 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:46,878 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2025-03-17 15:09:46,911 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-03-17 15:09:46,939 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-03-17 15:09:46,939 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:46,939 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:46,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:09:46,942 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:47,066 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-17 15:09:47,066 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:47,317 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 0 proven. 219 refuted. 0 times theorem prover too weak. 480 trivial. 0 not checked. [2025-03-17 15:09:47,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:47,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [705347599] [2025-03-17 15:09:47,317 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:47,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [67439934] [2025-03-17 15:09:47,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [67439934] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:47,317 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:47,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:09:47,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1650394172] [2025-03-17 15:09:47,317 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:47,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:09:47,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:47,318 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:09:47,318 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:47,318 INFO L87 Difference]: Start difference. First operand 515 states and 576 transitions. Second operand has 10 states, 9 states have (on average 40.111111111111114) internal successors, (361), 10 states have internal predecessors, (361), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-17 15:09:47,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:47,576 INFO L93 Difference]: Finished difference Result 660 states and 705 transitions. [2025-03-17 15:09:47,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:09:47,576 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 40.111111111111114) internal successors, (361), 10 states have internal predecessors, (361), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) Word has length 260 [2025-03-17 15:09:47,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:47,578 INFO L225 Difference]: With dead ends: 660 [2025-03-17 15:09:47,578 INFO L226 Difference]: Without dead ends: 658 [2025-03-17 15:09:47,578 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:09:47,579 INFO L435 NwaCegarLoop]: 353 mSDtfsCounter, 1525 mSDsluCounter, 1173 mSDsCounter, 0 mSdLazyCounter, 497 mSolverCounterSat, 60 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1536 SdHoareTripleChecker+Valid, 1526 SdHoareTripleChecker+Invalid, 557 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 60 IncrementalHoareTripleChecker+Valid, 497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:47,579 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1536 Valid, 1526 Invalid, 557 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [60 Valid, 497 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:47,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2025-03-17 15:09:47,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 514. [2025-03-17 15:09:47,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 424 states have (on average 1.1839622641509433) internal successors, (502), 477 states have internal predecessors, (502), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:47,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 572 transitions. [2025-03-17 15:09:47,597 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 572 transitions. Word has length 260 [2025-03-17 15:09:47,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:47,597 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 572 transitions. [2025-03-17 15:09:47,598 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 40.111111111111114) internal successors, (361), 10 states have internal predecessors, (361), 8 states have call successors, (32), 1 states have call predecessors, (32), 1 states have return successors, (32), 8 states have call predecessors, (32), 8 states have call successors, (32) [2025-03-17 15:09:47,598 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 572 transitions. [2025-03-17 15:09:47,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-03-17 15:09:47,598 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:47,599 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:47,604 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2025-03-17 15:09:47,799 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2025-03-17 15:09:47,799 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:47,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:47,799 INFO L85 PathProgramCache]: Analyzing trace with hash -83864993, now seen corresponding path program 1 times [2025-03-17 15:09:47,799 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:47,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1193063092] [2025-03-17 15:09:47,800 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:47,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:47,806 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-03-17 15:09:47,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-03-17 15:09:47,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:47,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:47,888 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 164 proven. 0 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-17 15:09:47,888 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:47,888 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1193063092] [2025-03-17 15:09:47,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1193063092] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:47,888 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:47,888 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:09:47,888 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1999583816] [2025-03-17 15:09:47,888 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:47,889 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:09:47,889 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:47,889 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:09:47,889 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:09:47,889 INFO L87 Difference]: Start difference. First operand 514 states and 572 transitions. Second operand has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-17 15:09:48,236 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:48,236 INFO L93 Difference]: Finished difference Result 514 states and 572 transitions. [2025-03-17 15:09:48,237 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:48,237 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) Word has length 274 [2025-03-17 15:09:48,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:48,238 INFO L225 Difference]: With dead ends: 514 [2025-03-17 15:09:48,238 INFO L226 Difference]: Without dead ends: 512 [2025-03-17 15:09:48,239 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:48,239 INFO L435 NwaCegarLoop]: 153 mSDtfsCounter, 253 mSDsluCounter, 175 mSDsCounter, 0 mSdLazyCounter, 500 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 328 SdHoareTripleChecker+Invalid, 516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 500 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:48,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [253 Valid, 328 Invalid, 516 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 500 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:48,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2025-03-17 15:09:48,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2025-03-17 15:09:48,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 512 states, 424 states have (on average 1.1745283018867925) internal successors, (498), 475 states have internal predecessors, (498), 35 states have call successors, (35), 1 states have call predecessors, (35), 1 states have return successors, (35), 35 states have call predecessors, (35), 35 states have call successors, (35) [2025-03-17 15:09:48,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 568 transitions. [2025-03-17 15:09:48,257 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 568 transitions. Word has length 274 [2025-03-17 15:09:48,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:48,257 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 568 transitions. [2025-03-17 15:09:48,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 38.4) internal successors, (192), 6 states have internal predecessors, (192), 3 states have call successors, (17), 1 states have call predecessors, (17), 1 states have return successors, (17), 3 states have call predecessors, (17), 3 states have call successors, (17) [2025-03-17 15:09:48,257 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 568 transitions. [2025-03-17 15:09:48,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-17 15:09:48,258 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:48,258 INFO L218 NwaCegarLoop]: trace histogram [17, 17, 17, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2025-03-17 15:09:48,258 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40 [2025-03-17 15:09:48,258 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:48,259 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:48,259 INFO L85 PathProgramCache]: Analyzing trace with hash 1695152596, now seen corresponding path program 2 times [2025-03-17 15:09:48,259 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:48,259 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902449127] [2025-03-17 15:09:48,259 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:48,259 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:48,265 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 275 statements into 2 equivalence classes. [2025-03-17 15:09:48,274 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 275 of 275 statements. [2025-03-17 15:09:48,274 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:48,274 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:48,442 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-17 15:09:48,442 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:48,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902449127] [2025-03-17 15:09:48,443 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902449127] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:48,443 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [29356602] [2025-03-17 15:09:48,443 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:48,443 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:48,443 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:48,445 INFO L229 MonitoredProcess]: Starting monitored process 29 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:48,446 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2025-03-17 15:09:48,474 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 275 statements into 2 equivalence classes. [2025-03-17 15:09:48,508 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 275 of 275 statements. [2025-03-17 15:09:48,508 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:48,509 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:48,510 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:09:48,516 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:48,984 INFO L134 CoverageAnalysis]: Checked inductivity of 708 backedges. 0 proven. 164 refuted. 0 times theorem prover too weak. 544 trivial. 0 not checked. [2025-03-17 15:09:48,984 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:49,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [29356602] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:49,820 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:49,820 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-17 15:09:49,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1863457425] [2025-03-17 15:09:49,820 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:49,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:09:49,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:49,821 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:09:49,821 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:09:49,821 INFO L87 Difference]: Start difference. First operand 512 states and 568 transitions. Second operand has 16 states, 15 states have (on average 25.4) internal successors, (381), 16 states have internal predecessors, (381), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-17 15:09:51,751 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:51,751 INFO L93 Difference]: Finished difference Result 512 states and 568 transitions. [2025-03-17 15:09:51,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:09:51,752 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 25.4) internal successors, (381), 16 states have internal predecessors, (381), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) Word has length 275 [2025-03-17 15:09:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:51,753 INFO L225 Difference]: With dead ends: 512 [2025-03-17 15:09:51,753 INFO L226 Difference]: Without dead ends: 476 [2025-03-17 15:09:51,753 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2025-03-17 15:09:51,753 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 579 mSDsluCounter, 386 mSDsCounter, 0 mSdLazyCounter, 2704 mSolverCounterSat, 43 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 579 SdHoareTripleChecker+Valid, 447 SdHoareTripleChecker+Invalid, 2747 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 43 IncrementalHoareTripleChecker+Valid, 2704 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:51,754 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [579 Valid, 447 Invalid, 2747 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [43 Valid, 2704 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2025-03-17 15:09:51,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-17 15:09:51,769 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2025-03-17 15:09:51,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 476 states, 392 states have (on average 1.1785714285714286) internal successors, (462), 441 states have internal predecessors, (462), 33 states have call successors, (33), 1 states have call predecessors, (33), 1 states have return successors, (33), 33 states have call predecessors, (33), 33 states have call successors, (33) [2025-03-17 15:09:51,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 528 transitions. [2025-03-17 15:09:51,770 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 528 transitions. Word has length 275 [2025-03-17 15:09:51,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:51,770 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 528 transitions. [2025-03-17 15:09:51,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 25.4) internal successors, (381), 16 states have internal predecessors, (381), 6 states have call successors, (34), 1 states have call predecessors, (34), 1 states have return successors, (34), 6 states have call predecessors, (34), 6 states have call successors, (34) [2025-03-17 15:09:51,770 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 528 transitions. [2025-03-17 15:09:51,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-03-17 15:09:51,771 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:51,771 INFO L218 NwaCegarLoop]: trace histogram [18, 18, 18, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 1, 1, 1, 1] [2025-03-17 15:09:51,778 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:51,972 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:51,972 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:51,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:51,972 INFO L85 PathProgramCache]: Analyzing trace with hash -521635464, now seen corresponding path program 3 times [2025-03-17 15:09:51,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:51,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1005072270] [2025-03-17 15:09:51,972 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:09:51,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:51,979 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 278 statements into 8 equivalence classes. [2025-03-17 15:09:52,005 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 278 of 278 statements. [2025-03-17 15:09:52,005 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-17 15:09:52,005 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:52,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [148311169] [2025-03-17 15:09:52,006 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:09:52,006 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:52,006 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:52,011 INFO L229 MonitoredProcess]: Starting monitored process 30 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:09:52,012 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2025-03-17 15:09:52,043 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 278 statements into 8 equivalence classes. [2025-03-17 15:09:52,065 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 91 of 278 statements. [2025-03-17 15:09:52,065 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-17 15:09:52,065 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:52,066 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:09:52,068 INFO L279 TraceCheckSpWp]: Computing forward predicates...