./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8fc3dc66 Calling Ultimate with: /root/.sdkman/candidates/java/21.0.5-tem/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.6.800.v20240513-1750.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 --- Real Ultimate output --- This is Ultimate 0.3.0-?-8fc3dc6-m [2025-03-17 15:09:22,299 INFO L188 SettingsManager]: Resetting all preferences to default values... [2025-03-17 15:09:22,348 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2025-03-17 15:09:22,351 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2025-03-17 15:09:22,351 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2025-03-17 15:09:22,372 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2025-03-17 15:09:22,373 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2025-03-17 15:09:22,373 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2025-03-17 15:09:22,373 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2025-03-17 15:09:22,374 INFO L153 SettingsManager]: * Use memory slicer=true [2025-03-17 15:09:22,374 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2025-03-17 15:09:22,374 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2025-03-17 15:09:22,375 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2025-03-17 15:09:22,375 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2025-03-17 15:09:22,375 INFO L153 SettingsManager]: * Use SBE=true [2025-03-17 15:09:22,375 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2025-03-17 15:09:22,375 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * sizeof long=4 [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * sizeof POINTER=4 [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * sizeof long double=12 [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Behaviour of calls to undefined functions=OVERAPPROXIMATE_BEHAVIOUR [2025-03-17 15:09:22,376 INFO L153 SettingsManager]: * Use constant arrays=true [2025-03-17 15:09:22,377 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2025-03-17 15:09:22,377 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2025-03-17 15:09:22,377 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2025-03-17 15:09:22,377 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2025-03-17 15:09:22,377 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:09:22,377 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2025-03-17 15:09:22,377 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Compute procedure contracts=false [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2025-03-17 15:09:22,378 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2025-03-17 15:09:22,378 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 -> ad40c7e9e7b0c80b1cec1e361a82d834fdd8270143479aa0f4bf8bc2b59c2aa5 [2025-03-17 15:09:22,616 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2025-03-17 15:09:22,622 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2025-03-17 15:09:22,624 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2025-03-17 15:09:22,625 INFO L270 PluginConnector]: Initializing CDTParser... [2025-03-17 15:09:22,625 INFO L274 PluginConnector]: CDTParser initialized [2025-03-17 15:09:22,627 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2025-03-17 15:09:23,765 INFO L533 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6200ebb13/077277f65be24858a9cdf68379d23088/FLAG564813b14 [2025-03-17 15:09:23,990 INFO L384 CDTParser]: Found 1 translation units. [2025-03-17 15:09:24,001 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/cohencu-ll_valuebound5.c [2025-03-17 15:09:24,017 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6200ebb13/077277f65be24858a9cdf68379d23088/FLAG564813b14 [2025-03-17 15:09:24,340 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6200ebb13/077277f65be24858a9cdf68379d23088 [2025-03-17 15:09:24,342 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2025-03-17 15:09:24,343 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2025-03-17 15:09:24,344 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2025-03-17 15:09:24,344 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2025-03-17 15:09:24,347 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2025-03-17 15:09:24,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,348 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@404a5b4b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24, skipping insertion in model container [2025-03-17 15:09:24,348 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,361 INFO L175 MainTranslator]: Built tables and reachable declarations [2025-03-17 15:09:24,475 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:09:24,487 INFO L200 MainTranslator]: Completed pre-run [2025-03-17 15:09:24,511 INFO L210 PostProcessor]: Analyzing one entry point: main [2025-03-17 15:09:24,524 INFO L204 MainTranslator]: Completed translation [2025-03-17 15:09:24,525 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24 WrapperNode [2025-03-17 15:09:24,525 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2025-03-17 15:09:24,526 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2025-03-17 15:09:24,526 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2025-03-17 15:09:24,527 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2025-03-17 15:09:24,531 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,537 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,563 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 189 [2025-03-17 15:09:24,563 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2025-03-17 15:09:24,563 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2025-03-17 15:09:24,563 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2025-03-17 15:09:24,563 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2025-03-17 15:09:24,569 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,570 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,571 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,584 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 15:09:24,587 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,587 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,590 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,595 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,596 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,597 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,598 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2025-03-17 15:09:24,601 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2025-03-17 15:09:24,601 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2025-03-17 15:09:24,601 INFO L274 PluginConnector]: IcfgBuilder initialized [2025-03-17 15:09:24,603 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (1/1) ... [2025-03-17 15:09:24,607 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2025-03-17 15:09:24,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:24,630 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 15:09:24,632 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 15:09:24,647 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2025-03-17 15:09:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2025-03-17 15:09:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2025-03-17 15:09:24,648 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2025-03-17 15:09:24,648 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2025-03-17 15:09:24,648 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2025-03-17 15:09:24,683 INFO L256 CfgBuilder]: Building ICFG [2025-03-17 15:09:24,684 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2025-03-17 15:09:25,212 INFO L? ?]: Removed 238 outVars from TransFormulas that were not future-live. [2025-03-17 15:09:25,212 INFO L307 CfgBuilder]: Performing block encoding [2025-03-17 15:09:25,228 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2025-03-17 15:09:25,229 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2025-03-17 15:09:25,229 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:09:25 BoogieIcfgContainer [2025-03-17 15:09:25,229 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2025-03-17 15:09:25,230 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2025-03-17 15:09:25,230 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2025-03-17 15:09:25,233 INFO L274 PluginConnector]: TraceAbstraction initialized [2025-03-17 15:09:25,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.03 03:09:24" (1/3) ... [2025-03-17 15:09:25,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3745f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:09:25, skipping insertion in model container [2025-03-17 15:09:25,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.03 03:09:24" (2/3) ... [2025-03-17 15:09:25,234 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3745f685 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.03 03:09:25, skipping insertion in model container [2025-03-17 15:09:25,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.03 03:09:25" (3/3) ... [2025-03-17 15:09:25,235 INFO L128 eAbstractionObserver]: Analyzing ICFG cohencu-ll_valuebound5.c [2025-03-17 15:09:25,244 INFO L216 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2025-03-17 15:09:25,245 INFO L151 ceAbstractionStarter]: Applying trace abstraction to ICFG cohencu-ll_valuebound5.c that has 2 procedures, 298 locations, 1 initial locations, 1 loop locations, and 138 error locations. [2025-03-17 15:09:25,285 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2025-03-17 15:09:25,292 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;@6f683011, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2025-03-17 15:09:25,292 INFO L334 AbstractCegarLoop]: Starting to check reachability of 138 error locations. [2025-03-17 15:09:25,296 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 15:09:25,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:09:25,299 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:25,299 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:09:25,300 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 15:09:25,303 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:25,303 INFO L85 PathProgramCache]: Analyzing trace with hash 9971997, now seen corresponding path program 1 times [2025-03-17 15:09:25,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:25,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1838890689] [2025-03-17 15:09:25,308 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:25,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:25,354 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:09:25,368 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:09:25,369 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:25,369 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:25,402 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 15:09:25,403 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:25,403 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1838890689] [2025-03-17 15:09:25,403 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1838890689] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:25,403 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:25,404 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:25,405 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1148298383] [2025-03-17 15:09:25,405 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:25,408 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2025-03-17 15:09:25,409 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:25,422 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2025-03-17 15:09:25,422 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2025-03-17 15:09:25,425 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 15:09:25,464 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:25,465 INFO L93 Difference]: Finished difference Result 587 states and 630 transitions. [2025-03-17 15:09:25,465 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2025-03-17 15:09:25,466 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 15:09:25,466 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:25,475 INFO L225 Difference]: With dead ends: 587 [2025-03-17 15:09:25,475 INFO L226 Difference]: Without dead ends: 287 [2025-03-17 15:09:25,478 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 15:09:25,481 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 15:09:25,482 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 15:09:25,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 287 states. [2025-03-17 15:09:25,527 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 287 to 287. [2025-03-17 15:09:25,529 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 15:09:25,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 287 states and 296 transitions. [2025-03-17 15:09:25,537 INFO L78 Accepts]: Start accepts. Automaton has 287 states and 296 transitions. Word has length 4 [2025-03-17 15:09:25,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:25,538 INFO L471 AbstractCegarLoop]: Abstraction has 287 states and 296 transitions. [2025-03-17 15:09:25,539 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 15:09:25,539 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 296 transitions. [2025-03-17 15:09:25,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2025-03-17 15:09:25,540 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:25,540 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1] [2025-03-17 15:09:25,540 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2025-03-17 15:09:25,540 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 15:09:25,541 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:25,541 INFO L85 PathProgramCache]: Analyzing trace with hash 9972958, now seen corresponding path program 1 times [2025-03-17 15:09:25,541 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:25,541 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1009125308] [2025-03-17 15:09:25,541 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:25,541 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:25,546 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 4 statements into 1 equivalence classes. [2025-03-17 15:09:25,557 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 4 of 4 statements. [2025-03-17 15:09:25,558 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:25,558 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:25,610 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 15:09:25,610 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:25,610 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1009125308] [2025-03-17 15:09:25,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1009125308] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:25,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:25,611 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:25,611 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057709066] [2025-03-17 15:09:25,611 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:25,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:25,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:25,612 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:25,612 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:25,612 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 15:09:25,732 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:25,735 INFO L93 Difference]: Finished difference Result 555 states and 574 transitions. [2025-03-17 15:09:25,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:25,736 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 15:09:25,736 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:25,738 INFO L225 Difference]: With dead ends: 555 [2025-03-17 15:09:25,738 INFO L226 Difference]: Without dead ends: 535 [2025-03-17 15:09:25,738 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 15:09:25,739 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 15:09:25,739 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 15:09:25,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 535 states. [2025-03-17 15:09:25,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 535 to 345. [2025-03-17 15:09:25,752 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 15:09:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 345 states and 387 transitions. [2025-03-17 15:09:25,754 INFO L78 Accepts]: Start accepts. Automaton has 345 states and 387 transitions. Word has length 4 [2025-03-17 15:09:25,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:25,754 INFO L471 AbstractCegarLoop]: Abstraction has 345 states and 387 transitions. [2025-03-17 15:09:25,754 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 15:09:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 387 transitions. [2025-03-17 15:09:25,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2025-03-17 15:09:25,767 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:25,767 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 15:09:25,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2025-03-17 15:09:25,767 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 15:09:25,767 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:25,767 INFO L85 PathProgramCache]: Analyzing trace with hash -133308658, now seen corresponding path program 1 times [2025-03-17 15:09:25,767 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:25,767 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1574183062] [2025-03-17 15:09:25,767 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:25,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:25,776 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:09:25,804 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:09:25,805 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:25,805 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:25,806 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [166278910] [2025-03-17 15:09:25,807 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:25,810 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:25,811 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:25,812 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 15:09:25,814 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 15:09:25,843 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 37 statements into 1 equivalence classes. [2025-03-17 15:09:25,855 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 37 of 37 statements. [2025-03-17 15:09:25,855 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:25,855 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:25,857 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:09:25,860 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:25,959 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 15:09:25,959 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:25,959 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:25,959 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1574183062] [2025-03-17 15:09:25,960 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:25,960 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [166278910] [2025-03-17 15:09:25,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [166278910] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:25,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:25,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:25,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1713062185] [2025-03-17 15:09:25,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:25,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:25,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:25,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:25,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:25,961 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 15:09:26,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:26,321 INFO L93 Difference]: Finished difference Result 505 states and 562 transitions. [2025-03-17 15:09:26,321 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:26,322 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 15:09:26,322 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:26,323 INFO L225 Difference]: With dead ends: 505 [2025-03-17 15:09:26,323 INFO L226 Difference]: Without dead ends: 450 [2025-03-17 15:09:26,324 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 15:09:26,324 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:26,325 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 265 Invalid, 380 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 326 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:26,325 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 450 states. [2025-03-17 15:09:26,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 450 to 430. [2025-03-17 15:09:26,338 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 15:09:26,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 500 transitions. [2025-03-17 15:09:26,340 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 500 transitions. Word has length 37 [2025-03-17 15:09:26,340 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:26,340 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 500 transitions. [2025-03-17 15:09:26,340 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 15:09:26,341 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 500 transitions. [2025-03-17 15:09:26,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2025-03-17 15:09:26,341 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:26,341 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 15:09:26,348 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2025-03-17 15:09:26,542 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 15:09:26,542 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 15:09:26,542 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:26,543 INFO L85 PathProgramCache]: Analyzing trace with hash 739405484, now seen corresponding path program 1 times [2025-03-17 15:09:26,543 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:26,543 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642942850] [2025-03-17 15:09:26,543 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:26,543 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:26,548 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 39 statements into 1 equivalence classes. [2025-03-17 15:09:26,559 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 39 of 39 statements. [2025-03-17 15:09:26,559 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:26,559 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:26,643 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 15:09:26,644 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:26,644 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642942850] [2025-03-17 15:09:26,644 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642942850] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:26,644 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:26,644 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:26,644 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1251068612] [2025-03-17 15:09:26,644 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:26,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:26,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:26,648 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:26,648 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:26,648 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 15:09:26,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:26,898 INFO L93 Difference]: Finished difference Result 463 states and 507 transitions. [2025-03-17 15:09:26,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:26,899 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 15:09:26,899 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:26,901 INFO L225 Difference]: With dead ends: 463 [2025-03-17 15:09:26,901 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:26,901 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 15:09:26,902 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 15:09:26,902 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 15:09:26,904 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:26,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-03-17 15:09:26,917 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 15:09:26,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 477 transitions. [2025-03-17 15:09:26,919 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 477 transitions. Word has length 39 [2025-03-17 15:09:26,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:26,919 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 477 transitions. [2025-03-17 15:09:26,919 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 15:09:26,919 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 477 transitions. [2025-03-17 15:09:26,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2025-03-17 15:09:26,920 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:26,921 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 15:09:26,921 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2025-03-17 15:09:26,921 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 15:09:26,921 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:26,921 INFO L85 PathProgramCache]: Analyzing trace with hash 1899073098, now seen corresponding path program 1 times [2025-03-17 15:09:26,921 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:26,921 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [777526306] [2025-03-17 15:09:26,921 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:26,921 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:26,927 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 41 statements into 1 equivalence classes. [2025-03-17 15:09:26,956 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 41 of 41 statements. [2025-03-17 15:09:26,956 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:26,956 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:27,029 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 15:09:27,029 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:27,029 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [777526306] [2025-03-17 15:09:27,029 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [777526306] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:27,029 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:27,029 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:27,029 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1337293593] [2025-03-17 15:09:27,029 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:27,030 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:27,030 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:27,030 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:27,030 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:27,030 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 15:09:27,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:27,281 INFO L93 Difference]: Finished difference Result 442 states and 484 transitions. [2025-03-17 15:09:27,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:27,281 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 15:09:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:27,282 INFO L225 Difference]: With dead ends: 442 [2025-03-17 15:09:27,282 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:27,283 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 15:09:27,283 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, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:27,283 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [262 Valid, 365 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 228 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:27,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:27,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-03-17 15:09:27,295 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 15:09:27,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 475 transitions. [2025-03-17 15:09:27,296 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 475 transitions. Word has length 41 [2025-03-17 15:09:27,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:27,296 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 475 transitions. [2025-03-17 15:09:27,296 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 15:09:27,296 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 475 transitions. [2025-03-17 15:09:27,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2025-03-17 15:09:27,297 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:27,297 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 15:09:27,297 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2025-03-17 15:09:27,297 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 15:09:27,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:27,297 INFO L85 PathProgramCache]: Analyzing trace with hash -1258275897, now seen corresponding path program 1 times [2025-03-17 15:09:27,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:27,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692885776] [2025-03-17 15:09:27,298 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:27,298 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:27,304 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 42 statements into 1 equivalence classes. [2025-03-17 15:09:27,315 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 42 of 42 statements. [2025-03-17 15:09:27,315 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:27,315 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:27,398 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 15:09:27,399 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:27,399 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692885776] [2025-03-17 15:09:27,399 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692885776] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:27,399 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:27,399 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:27,399 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1611404620] [2025-03-17 15:09:27,399 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:27,399 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:27,399 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:27,399 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:27,399 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:27,400 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 15:09:27,665 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:27,666 INFO L93 Difference]: Finished difference Result 442 states and 482 transitions. [2025-03-17 15:09:27,666 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:27,667 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 15:09:27,667 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:27,668 INFO L225 Difference]: With dead ends: 442 [2025-03-17 15:09:27,668 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:27,668 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 15:09:27,669 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, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:27,669 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [261 Valid, 367 Invalid, 235 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:27,670 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:27,682 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 430. [2025-03-17 15:09:27,683 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 15:09:27,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 473 transitions. [2025-03-17 15:09:27,684 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 473 transitions. Word has length 42 [2025-03-17 15:09:27,684 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:27,684 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 473 transitions. [2025-03-17 15:09:27,684 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 15:09:27,684 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 473 transitions. [2025-03-17 15:09:27,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2025-03-17 15:09:27,686 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:27,686 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 15:09:27,686 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2025-03-17 15:09:27,686 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 15:09:27,686 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:27,686 INFO L85 PathProgramCache]: Analyzing trace with hash 1177517446, now seen corresponding path program 1 times [2025-03-17 15:09:27,686 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:27,686 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14708686] [2025-03-17 15:09:27,686 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:27,686 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:27,691 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:09:27,707 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:09:27,707 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:27,707 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:27,707 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1883254648] [2025-03-17 15:09:27,708 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:27,708 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:27,708 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:27,709 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 15:09:27,711 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 15:09:27,738 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 45 statements into 1 equivalence classes. [2025-03-17 15:09:27,748 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 45 of 45 statements. [2025-03-17 15:09:27,748 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:27,748 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:27,750 INFO L256 TraceCheckSpWp]: Trace formula consists of 90 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:09:27,751 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:27,898 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 15:09:27,898 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:27,898 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:27,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14708686] [2025-03-17 15:09:27,898 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:27,898 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1883254648] [2025-03-17 15:09:27,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1883254648] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:27,898 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:27,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:27,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1027023992] [2025-03-17 15:09:27,898 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:27,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:27,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:27,899 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:27,899 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:27,899 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 15:09:28,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:28,199 INFO L93 Difference]: Finished difference Result 447 states and 480 transitions. [2025-03-17 15:09:28,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:28,200 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 15:09:28,200 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:28,201 INFO L225 Difference]: With dead ends: 447 [2025-03-17 15:09:28,201 INFO L226 Difference]: Without dead ends: 438 [2025-03-17 15:09:28,202 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 15:09:28,202 INFO L435 NwaCegarLoop]: 177 mSDtfsCounter, 112 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 336 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 15:09:28,203 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 15:09:28,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 438 states. [2025-03-17 15:09:28,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 438 to 433. [2025-03-17 15:09:28,216 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 15:09:28,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 470 transitions. [2025-03-17 15:09:28,217 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 470 transitions. Word has length 45 [2025-03-17 15:09:28,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:28,217 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 470 transitions. [2025-03-17 15:09:28,217 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 15:09:28,217 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 470 transitions. [2025-03-17 15:09:28,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2025-03-17 15:09:28,218 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:28,218 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 15:09:28,225 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 15:09:28,418 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 15:09:28,418 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 15:09:28,419 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:28,419 INFO L85 PathProgramCache]: Analyzing trace with hash 2143302659, now seen corresponding path program 1 times [2025-03-17 15:09:28,419 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:28,419 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [129743843] [2025-03-17 15:09:28,419 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:28,419 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:28,423 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 46 statements into 1 equivalence classes. [2025-03-17 15:09:28,427 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 46 of 46 statements. [2025-03-17 15:09:28,430 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:28,430 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:28,495 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 15:09:28,495 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:28,495 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [129743843] [2025-03-17 15:09:28,495 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [129743843] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:28,495 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:28,495 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:28,495 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710098690] [2025-03-17 15:09:28,495 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:28,495 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:28,495 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:28,496 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:28,496 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:28,496 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 15:09:28,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:28,771 INFO L93 Difference]: Finished difference Result 446 states and 471 transitions. [2025-03-17 15:09:28,772 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:28,772 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 15:09:28,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:28,773 INFO L225 Difference]: With dead ends: 446 [2025-03-17 15:09:28,773 INFO L226 Difference]: Without dead ends: 440 [2025-03-17 15:09:28,773 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 15:09:28,774 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 15:09:28,774 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 15:09:28,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 440 states. [2025-03-17 15:09:28,783 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 440 to 433. [2025-03-17 15:09:28,785 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 15:09:28,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 433 states and 464 transitions. [2025-03-17 15:09:28,786 INFO L78 Accepts]: Start accepts. Automaton has 433 states and 464 transitions. Word has length 46 [2025-03-17 15:09:28,787 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:28,787 INFO L471 AbstractCegarLoop]: Abstraction has 433 states and 464 transitions. [2025-03-17 15:09:28,787 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 15:09:28,787 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 464 transitions. [2025-03-17 15:09:28,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2025-03-17 15:09:28,788 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:28,788 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 15:09:28,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2025-03-17 15:09:28,788 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 15:09:28,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:28,788 INFO L85 PathProgramCache]: Analyzing trace with hash 2098064447, now seen corresponding path program 1 times [2025-03-17 15:09:28,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:28,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661629718] [2025-03-17 15:09:28,788 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:28,788 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:28,794 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 50 statements into 1 equivalence classes. [2025-03-17 15:09:28,801 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 50 of 50 statements. [2025-03-17 15:09:28,801 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:28,801 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:28,895 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 15:09:28,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:28,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661629718] [2025-03-17 15:09:28,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661629718] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:28,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:28,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2025-03-17 15:09:28,896 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293046752] [2025-03-17 15:09:28,896 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:28,896 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:28,896 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:28,896 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:28,896 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2025-03-17 15:09:28,896 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 15:09:29,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:29,283 INFO L93 Difference]: Finished difference Result 444 states and 465 transitions. [2025-03-17 15:09:29,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:29,283 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 15:09:29,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:29,285 INFO L225 Difference]: With dead ends: 444 [2025-03-17 15:09:29,285 INFO L226 Difference]: Without dead ends: 371 [2025-03-17 15:09:29,285 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 15:09:29,286 INFO L435 NwaCegarLoop]: 189 mSDtfsCounter, 119 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 541 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s 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, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:29,286 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [126 Valid, 345 Invalid, 546 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 541 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:29,286 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2025-03-17 15:09:29,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 367. [2025-03-17 15:09:29,295 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 15:09:29,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 367 states and 389 transitions. [2025-03-17 15:09:29,296 INFO L78 Accepts]: Start accepts. Automaton has 367 states and 389 transitions. Word has length 50 [2025-03-17 15:09:29,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:29,297 INFO L471 AbstractCegarLoop]: Abstraction has 367 states and 389 transitions. [2025-03-17 15:09:29,297 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 15:09:29,297 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 389 transitions. [2025-03-17 15:09:29,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2025-03-17 15:09:29,299 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:29,299 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 15:09:29,299 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2025-03-17 15:09:29,299 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 15:09:29,300 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:29,300 INFO L85 PathProgramCache]: Analyzing trace with hash -1470700964, now seen corresponding path program 1 times [2025-03-17 15:09:29,300 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:29,300 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [580945885] [2025-03-17 15:09:29,300 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:29,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:29,310 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 82 statements into 1 equivalence classes. [2025-03-17 15:09:29,317 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 82 of 82 statements. [2025-03-17 15:09:29,317 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:29,317 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:29,358 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 15:09:29,358 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:29,358 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [580945885] [2025-03-17 15:09:29,358 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [580945885] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:29,358 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:29,358 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:29,358 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1533984322] [2025-03-17 15:09:29,358 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:29,359 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:29,359 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:29,359 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:29,359 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:29,359 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 15:09:29,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:29,561 INFO L93 Difference]: Finished difference Result 367 states and 389 transitions. [2025-03-17 15:09:29,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:29,561 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 15:09:29,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:29,562 INFO L225 Difference]: With dead ends: 367 [2025-03-17 15:09:29,562 INFO L226 Difference]: Without dead ends: 360 [2025-03-17 15:09:29,563 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 15:09:29,563 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 15:09:29,563 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 15:09:29,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-03-17 15:09:29,569 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 360. [2025-03-17 15:09:29,570 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 15:09:29,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 360 states and 382 transitions. [2025-03-17 15:09:29,571 INFO L78 Accepts]: Start accepts. Automaton has 360 states and 382 transitions. Word has length 82 [2025-03-17 15:09:29,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:29,571 INFO L471 AbstractCegarLoop]: Abstraction has 360 states and 382 transitions. [2025-03-17 15:09:29,571 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 15:09:29,571 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 382 transitions. [2025-03-17 15:09:29,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2025-03-17 15:09:29,572 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:29,572 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 15:09:29,572 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2025-03-17 15:09:29,572 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 15:09:29,572 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:29,572 INFO L85 PathProgramCache]: Analyzing trace with hash 1652910517, now seen corresponding path program 1 times [2025-03-17 15:09:29,572 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:29,573 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1943625680] [2025-03-17 15:09:29,573 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:29,573 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:29,577 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 83 statements into 1 equivalence classes. [2025-03-17 15:09:29,583 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 83 of 83 statements. [2025-03-17 15:09:29,583 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:29,583 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:29,632 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 15:09:29,632 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:29,632 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1943625680] [2025-03-17 15:09:29,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1943625680] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:29,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:29,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:29,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101842856] [2025-03-17 15:09:29,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:29,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:29,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:29,632 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:29,632 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:29,633 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 15:09:29,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:29,804 INFO L93 Difference]: Finished difference Result 367 states and 385 transitions. [2025-03-17 15:09:29,804 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:29,804 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 15:09:29,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:29,805 INFO L225 Difference]: With dead ends: 367 [2025-03-17 15:09:29,806 INFO L226 Difference]: Without dead ends: 366 [2025-03-17 15:09:29,806 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 15:09:29,806 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 15:09:29,806 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 15:09:29,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 366 states. [2025-03-17 15:09:29,811 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 366 to 362. [2025-03-17 15:09:29,812 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 15:09:29,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 362 states and 384 transitions. [2025-03-17 15:09:29,813 INFO L78 Accepts]: Start accepts. Automaton has 362 states and 384 transitions. Word has length 83 [2025-03-17 15:09:29,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:29,813 INFO L471 AbstractCegarLoop]: Abstraction has 362 states and 384 transitions. [2025-03-17 15:09:29,813 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 15:09:29,813 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 384 transitions. [2025-03-17 15:09:29,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2025-03-17 15:09:29,813 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:29,813 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 15:09:29,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2025-03-17 15:09:29,817 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 15:09:29,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:29,818 INFO L85 PathProgramCache]: Analyzing trace with hash -299381267, now seen corresponding path program 1 times [2025-03-17 15:09:29,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:29,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2004239255] [2025-03-17 15:09:29,818 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:29,818 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:29,822 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:09:29,827 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:09:29,827 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:29,827 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:29,863 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 15:09:29,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:29,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2004239255] [2025-03-17 15:09:29,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2004239255] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:29,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1498502872] [2025-03-17 15:09:29,863 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:29,863 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:29,863 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:29,865 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 15:09:29,866 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 15:09:29,886 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 84 statements into 1 equivalence classes. [2025-03-17 15:09:29,899 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 84 of 84 statements. [2025-03-17 15:09:29,899 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:29,899 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:29,900 INFO L256 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:09:29,901 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:29,960 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 15:09:29,960 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:29,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1498502872] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:29,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:29,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2025-03-17 15:09:29,961 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [697784436] [2025-03-17 15:09:29,961 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:29,961 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2025-03-17 15:09:29,961 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:29,961 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2025-03-17 15:09:29,961 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:29,961 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 15:09:30,042 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:30,043 INFO L93 Difference]: Finished difference Result 368 states and 384 transitions. [2025-03-17 15:09:30,043 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:30,043 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 15:09:30,043 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:30,044 INFO L225 Difference]: With dead ends: 368 [2025-03-17 15:09:30,044 INFO L226 Difference]: Without dead ends: 360 [2025-03-17 15:09:30,045 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 15:09:30,045 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 15:09:30,045 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 15:09:30,046 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2025-03-17 15:09:30,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 354. [2025-03-17 15:09:30,051 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 15:09:30,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 354 states and 376 transitions. [2025-03-17 15:09:30,052 INFO L78 Accepts]: Start accepts. Automaton has 354 states and 376 transitions. Word has length 84 [2025-03-17 15:09:30,053 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:30,053 INFO L471 AbstractCegarLoop]: Abstraction has 354 states and 376 transitions. [2025-03-17 15:09:30,053 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 15:09:30,053 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 376 transitions. [2025-03-17 15:09:30,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 15:09:30,053 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:30,053 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 15:09:30,059 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 15:09:30,253 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 15:09:30,254 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 15:09:30,254 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:30,254 INFO L85 PathProgramCache]: Analyzing trace with hash -813748389, now seen corresponding path program 1 times [2025-03-17 15:09:30,254 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:30,254 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1484279832] [2025-03-17 15:09:30,254 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:30,254 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:30,259 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:09:30,266 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:09:30,267 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:30,267 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:30,316 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 15:09:30,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:30,317 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1484279832] [2025-03-17 15:09:30,317 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1484279832] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:30,317 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:30,317 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:30,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [746850499] [2025-03-17 15:09:30,318 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:30,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:30,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:30,319 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:30,319 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:30,319 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 15:09:30,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:30,374 INFO L93 Difference]: Finished difference Result 354 states and 376 transitions. [2025-03-17 15:09:30,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:30,374 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 15:09:30,374 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:30,375 INFO L225 Difference]: With dead ends: 354 [2025-03-17 15:09:30,375 INFO L226 Difference]: Without dead ends: 352 [2025-03-17 15:09:30,376 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 15:09:30,376 INFO L435 NwaCegarLoop]: 239 mSDtfsCounter, 184 mSDsluCounter, 13 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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, 0.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:30,376 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [188 Valid, 252 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2025-03-17 15:09:30,376 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 352 states. [2025-03-17 15:09:30,401 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 352 to 352. [2025-03-17 15:09:30,401 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 15:09:30,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 352 states to 352 states and 372 transitions. [2025-03-17 15:09:30,402 INFO L78 Accepts]: Start accepts. Automaton has 352 states and 372 transitions. Word has length 85 [2025-03-17 15:09:30,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:30,402 INFO L471 AbstractCegarLoop]: Abstraction has 352 states and 372 transitions. [2025-03-17 15:09:30,402 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 15:09:30,402 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 372 transitions. [2025-03-17 15:09:30,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2025-03-17 15:09:30,403 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:30,403 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 15:09:30,403 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2025-03-17 15:09:30,403 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 15:09:30,403 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:30,403 INFO L85 PathProgramCache]: Analyzing trace with hash -690884429, now seen corresponding path program 1 times [2025-03-17 15:09:30,403 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:30,403 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [241689338] [2025-03-17 15:09:30,403 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:30,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:30,408 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:09:30,412 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:09:30,412 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:30,412 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:30,446 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 15:09:30,446 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:30,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [241689338] [2025-03-17 15:09:30,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [241689338] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:30,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [857365123] [2025-03-17 15:09:30,446 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:30,446 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:30,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:30,448 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 15:09:30,450 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 15:09:30,471 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 85 statements into 1 equivalence classes. [2025-03-17 15:09:30,485 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 85 of 85 statements. [2025-03-17 15:09:30,485 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:30,485 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:30,485 INFO L256 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 3 conjuncts are in the unsatisfiable core [2025-03-17 15:09:30,487 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:30,547 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 15:09:30,547 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:30,632 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 15:09:30,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [857365123] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:30,633 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:30,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2025-03-17 15:09:30,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916651726] [2025-03-17 15:09:30,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:30,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:09:30,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:30,634 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:09:30,634 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:09:30,634 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 15:09:30,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:30,764 INFO L93 Difference]: Finished difference Result 613 states and 651 transitions. [2025-03-17 15:09:30,764 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:09:30,765 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 15:09:30,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:30,766 INFO L225 Difference]: With dead ends: 613 [2025-03-17 15:09:30,766 INFO L226 Difference]: Without dead ends: 605 [2025-03-17 15:09:30,767 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 15:09:30,767 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 15:09:30,767 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 15:09:30,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 605 states. [2025-03-17 15:09:30,777 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 605 to 410. [2025-03-17 15:09:30,777 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 15:09:30,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 410 states and 470 transitions. [2025-03-17 15:09:30,778 INFO L78 Accepts]: Start accepts. Automaton has 410 states and 470 transitions. Word has length 85 [2025-03-17 15:09:30,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:30,778 INFO L471 AbstractCegarLoop]: Abstraction has 410 states and 470 transitions. [2025-03-17 15:09:30,779 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 15:09:30,779 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 470 transitions. [2025-03-17 15:09:30,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2025-03-17 15:09:30,779 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:30,779 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 15:09:30,785 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 15:09:30,983 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 15:09:30,984 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 15:09:30,984 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:30,984 INFO L85 PathProgramCache]: Analyzing trace with hash 543603849, now seen corresponding path program 1 times [2025-03-17 15:09:30,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:30,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1523498197] [2025-03-17 15:09:30,984 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:30,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:30,989 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 86 statements into 1 equivalence classes. [2025-03-17 15:09:30,993 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 86 of 86 statements. [2025-03-17 15:09:30,993 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:30,993 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:31,036 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 15:09:31,036 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:31,036 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1523498197] [2025-03-17 15:09:31,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1523498197] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:31,036 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:31,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:09:31,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84676191] [2025-03-17 15:09:31,036 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:31,036 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:31,036 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:31,037 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:31,037 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:31,037 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 15:09:31,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:31,208 INFO L93 Difference]: Finished difference Result 414 states and 470 transitions. [2025-03-17 15:09:31,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2025-03-17 15:09:31,209 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 15:09:31,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:31,210 INFO L225 Difference]: With dead ends: 414 [2025-03-17 15:09:31,211 INFO L226 Difference]: Without dead ends: 410 [2025-03-17 15:09:31,211 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 15:09:31,212 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, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:31,212 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 713 Invalid, 164 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:31,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 410 states. [2025-03-17 15:09:31,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 410 to 408. [2025-03-17 15:09:31,222 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 15:09:31,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 408 states to 408 states and 466 transitions. [2025-03-17 15:09:31,223 INFO L78 Accepts]: Start accepts. Automaton has 408 states and 466 transitions. Word has length 86 [2025-03-17 15:09:31,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:31,223 INFO L471 AbstractCegarLoop]: Abstraction has 408 states and 466 transitions. [2025-03-17 15:09:31,223 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 15:09:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 408 states and 466 transitions. [2025-03-17 15:09:31,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2025-03-17 15:09:31,224 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:31,225 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 15:09:31,225 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2025-03-17 15:09:31,225 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 15:09:31,225 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:31,225 INFO L85 PathProgramCache]: Analyzing trace with hash 1222980034, now seen corresponding path program 1 times [2025-03-17 15:09:31,225 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:31,225 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [211523493] [2025-03-17 15:09:31,225 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:31,225 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:31,230 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:09:31,242 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:09:31,242 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:31,242 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:31,243 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [428982685] [2025-03-17 15:09:31,243 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:31,243 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:31,244 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:31,246 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 15:09:31,246 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 15:09:31,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 96 statements into 1 equivalence classes. [2025-03-17 15:09:31,283 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 96 of 96 statements. [2025-03-17 15:09:31,284 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:31,284 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:31,285 INFO L256 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:09:31,288 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:31,359 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 15:09:31,359 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:31,480 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 15:09:31,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [211523493] [2025-03-17 15:09:31,480 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:31,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [428982685] [2025-03-17 15:09:31,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [428982685] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:31,480 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:31,480 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3] total 5 [2025-03-17 15:09:31,480 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1361227077] [2025-03-17 15:09:31,480 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:31,481 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:09:31,481 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:31,481 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:09:31,481 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:09:31,481 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 15:09:31,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:31,635 INFO L93 Difference]: Finished difference Result 611 states and 643 transitions. [2025-03-17 15:09:31,635 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:09:31,635 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 15:09:31,636 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:31,637 INFO L225 Difference]: With dead ends: 611 [2025-03-17 15:09:31,637 INFO L226 Difference]: Without dead ends: 606 [2025-03-17 15:09:31,638 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 15:09:31,638 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 15:09:31,638 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 15:09:31,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 606 states. [2025-03-17 15:09:31,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 606 to 413. [2025-03-17 15:09:31,651 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 15:09:31,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 468 transitions. [2025-03-17 15:09:31,652 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 468 transitions. Word has length 96 [2025-03-17 15:09:31,652 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:31,652 INFO L471 AbstractCegarLoop]: Abstraction has 413 states and 468 transitions. [2025-03-17 15:09:31,653 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 15:09:31,653 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 468 transitions. [2025-03-17 15:09:31,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2025-03-17 15:09:31,654 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:31,654 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 15:09:31,660 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2025-03-17 15:09:31,854 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 15:09:31,854 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 15:09:31,854 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:31,855 INFO L85 PathProgramCache]: Analyzing trace with hash 974714381, now seen corresponding path program 1 times [2025-03-17 15:09:31,855 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:31,855 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [570917784] [2025-03-17 15:09:31,855 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:31,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:31,860 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 102 statements into 1 equivalence classes. [2025-03-17 15:09:31,865 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 102 of 102 statements. [2025-03-17 15:09:31,865 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:31,865 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:31,983 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 15:09:31,984 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:31,984 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [570917784] [2025-03-17 15:09:31,984 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [570917784] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:31,984 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:31,984 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:09:31,984 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [914603747] [2025-03-17 15:09:31,984 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:31,984 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:31,984 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:31,985 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:31,985 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:31,985 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 15:09:32,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:32,128 INFO L93 Difference]: Finished difference Result 419 states and 471 transitions. [2025-03-17 15:09:32,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:32,128 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 15:09:32,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:32,130 INFO L225 Difference]: With dead ends: 419 [2025-03-17 15:09:32,130 INFO L226 Difference]: Without dead ends: 393 [2025-03-17 15:09:32,130 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 15:09:32,130 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, 0.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:32,130 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [240 Valid, 411 Invalid, 157 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:32,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 393 states. [2025-03-17 15:09:32,139 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 393 to 393. [2025-03-17 15:09:32,139 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 15:09:32,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 393 states and 444 transitions. [2025-03-17 15:09:32,140 INFO L78 Accepts]: Start accepts. Automaton has 393 states and 444 transitions. Word has length 102 [2025-03-17 15:09:32,141 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:32,141 INFO L471 AbstractCegarLoop]: Abstraction has 393 states and 444 transitions. [2025-03-17 15:09:32,141 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 15:09:32,141 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 444 transitions. [2025-03-17 15:09:32,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2025-03-17 15:09:32,141 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:32,141 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 15:09:32,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2025-03-17 15:09:32,141 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 15:09:32,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:32,142 INFO L85 PathProgramCache]: Analyzing trace with hash -946676769, now seen corresponding path program 1 times [2025-03-17 15:09:32,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:32,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [992132985] [2025-03-17 15:09:32,142 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:32,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:32,148 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:09:32,160 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:09:32,160 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:32,160 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:32,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [273822442] [2025-03-17 15:09:32,160 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:32,160 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:32,161 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:32,164 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 15:09:32,165 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 15:09:32,188 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 117 statements into 1 equivalence classes. [2025-03-17 15:09:32,205 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 117 of 117 statements. [2025-03-17 15:09:32,205 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:32,205 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:32,206 INFO L256 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 5 conjuncts are in the unsatisfiable core [2025-03-17 15:09:32,207 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:32,413 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2025-03-17 15:09:32,414 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2025-03-17 15:09:32,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:32,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [992132985] [2025-03-17 15:09:32,414 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:32,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [273822442] [2025-03-17 15:09:32,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [273822442] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:32,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:32,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2025-03-17 15:09:32,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1970699042] [2025-03-17 15:09:32,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:32,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:32,414 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:32,415 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:32,415 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2025-03-17 15:09:32,415 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 15:09:32,819 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:32,819 INFO L93 Difference]: Finished difference Result 393 states and 444 transitions. [2025-03-17 15:09:32,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:09:32,819 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 15:09:32,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:32,821 INFO L225 Difference]: With dead ends: 393 [2025-03-17 15:09:32,821 INFO L226 Difference]: Without dead ends: 383 [2025-03-17 15:09:32,821 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:09:32,821 INFO L435 NwaCegarLoop]: 117 mSDtfsCounter, 135 mSDsluCounter, 142 mSDsCounter, 0 mSdLazyCounter, 543 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 553 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 543 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:32,821 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 259 Invalid, 553 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 543 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:32,822 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 383 states. [2025-03-17 15:09:32,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 383 to 383. [2025-03-17 15:09:32,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 383 states, 267 states have (on average 1.453183520599251) internal successors, (388), 360 states have internal predecessors, (388), 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 15:09:32,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 383 states to 383 states and 430 transitions. [2025-03-17 15:09:32,830 INFO L78 Accepts]: Start accepts. Automaton has 383 states and 430 transitions. Word has length 117 [2025-03-17 15:09:32,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:32,830 INFO L471 AbstractCegarLoop]: Abstraction has 383 states and 430 transitions. [2025-03-17 15:09:32,830 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 15:09:32,830 INFO L276 IsEmpty]: Start isEmpty. Operand 383 states and 430 transitions. [2025-03-17 15:09:32,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2025-03-17 15:09:32,830 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:32,830 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 15:09:32,836 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2025-03-17 15:09:33,031 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 15:09:33,031 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 15:09:33,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:33,031 INFO L85 PathProgramCache]: Analyzing trace with hash 717791450, now seen corresponding path program 1 times [2025-03-17 15:09:33,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:33,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1885861094] [2025-03-17 15:09:33,032 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:33,032 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:33,037 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:09:33,046 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:09:33,046 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:33,046 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:33,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [481112241] [2025-03-17 15:09:33,047 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:33,047 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:33,047 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:33,049 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 15:09:33,050 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 15:09:33,073 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 118 statements into 1 equivalence classes. [2025-03-17 15:09:33,090 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 118 of 118 statements. [2025-03-17 15:09:33,090 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:33,090 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:33,091 INFO L256 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:09:33,093 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:33,292 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 15:09:33,292 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:33,733 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:33,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1885861094] [2025-03-17 15:09:33,733 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:33,733 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [481112241] [2025-03-17 15:09:33,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [481112241] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:33,733 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:33,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:09:33,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [153169656] [2025-03-17 15:09:33,733 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:33,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:33,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:33,734 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:33,734 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=32, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:33,734 INFO L87 Difference]: Start difference. First operand 383 states and 430 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 15:09:34,178 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:34,179 INFO L93 Difference]: Finished difference Result 509 states and 589 transitions. [2025-03-17 15:09:34,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:34,179 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 15:09:34,179 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:34,181 INFO L225 Difference]: With dead ends: 509 [2025-03-17 15:09:34,181 INFO L226 Difference]: Without dead ends: 486 [2025-03-17 15:09:34,181 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 15:09:34,181 INFO L435 NwaCegarLoop]: 141 mSDtfsCounter, 131 mSDsluCounter, 259 mSDsCounter, 0 mSdLazyCounter, 771 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 400 SdHoareTripleChecker+Invalid, 793 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 771 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:34,181 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 400 Invalid, 793 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 771 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:34,182 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-03-17 15:09:34,189 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 468. [2025-03-17 15:09:34,190 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 347 states have (on average 1.4610951008645534) internal successors, (507), 440 states have internal predecessors, (507), 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 15:09:34,191 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 559 transitions. [2025-03-17 15:09:34,191 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 559 transitions. Word has length 118 [2025-03-17 15:09:34,191 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:34,191 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 559 transitions. [2025-03-17 15:09:34,191 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 15:09:34,191 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 559 transitions. [2025-03-17 15:09:34,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2025-03-17 15:09:34,192 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:34,192 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 15:09:34,199 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 15:09:34,393 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 15:09:34,393 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 15:09:34,394 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:34,394 INFO L85 PathProgramCache]: Analyzing trace with hash 776698685, now seen corresponding path program 1 times [2025-03-17 15:09:34,394 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:34,394 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1086382639] [2025-03-17 15:09:34,394 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:34,394 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:34,401 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 15:09:34,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 15:09:34,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:34,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:34,480 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 15:09:34,480 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:34,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1086382639] [2025-03-17 15:09:34,480 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1086382639] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:34,480 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [138545271] [2025-03-17 15:09:34,481 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:34,481 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:34,481 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:34,482 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 15:09:34,484 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 15:09:34,504 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 119 statements into 1 equivalence classes. [2025-03-17 15:09:34,520 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 119 of 119 statements. [2025-03-17 15:09:34,520 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:34,520 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:34,521 INFO L256 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:34,522 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:34,661 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 15:09:34,661 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:34,772 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 15:09:34,772 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [138545271] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:34,773 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:34,773 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-17 15:09:34,773 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1637575160] [2025-03-17 15:09:34,773 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:34,773 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:34,773 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:34,774 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:34,774 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:34,774 INFO L87 Difference]: Start difference. First operand 468 states and 559 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 15:09:35,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:35,157 INFO L93 Difference]: Finished difference Result 493 states and 566 transitions. [2025-03-17 15:09:35,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:35,157 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 15:09:35,157 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:35,159 INFO L225 Difference]: With dead ends: 493 [2025-03-17 15:09:35,159 INFO L226 Difference]: Without dead ends: 488 [2025-03-17 15:09:35,159 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 15:09:35,159 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 470 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 534 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 482 SdHoareTripleChecker+Valid, 484 SdHoareTripleChecker+Invalid, 555 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:35,159 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [482 Valid, 484 Invalid, 555 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 534 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:35,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 488 states. [2025-03-17 15:09:35,168 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 488 to 464. [2025-03-17 15:09:35,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 347 states have (on average 1.4351585014409223) internal successors, (498), 436 states have internal predecessors, (498), 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 15:09:35,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 550 transitions. [2025-03-17 15:09:35,170 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 550 transitions. Word has length 119 [2025-03-17 15:09:35,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:35,170 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 550 transitions. [2025-03-17 15:09:35,170 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 15:09:35,170 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 550 transitions. [2025-03-17 15:09:35,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2025-03-17 15:09:35,170 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:35,170 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 15:09:35,176 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 15:09:35,371 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 15:09:35,371 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 15:09:35,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:35,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1692144328, now seen corresponding path program 1 times [2025-03-17 15:09:35,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:35,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019285229] [2025-03-17 15:09:35,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:35,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:35,376 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:09:35,380 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:09:35,380 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:35,381 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:35,439 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 15:09:35,439 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:35,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019285229] [2025-03-17 15:09:35,439 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019285229] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:35,439 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1117382773] [2025-03-17 15:09:35,439 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:35,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:35,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:35,441 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 15:09:35,442 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 15:09:35,468 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 120 statements into 1 equivalence classes. [2025-03-17 15:09:35,484 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 120 of 120 statements. [2025-03-17 15:09:35,484 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:35,484 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:35,484 INFO L256 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:35,486 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:35,641 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 15:09:35,642 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:35,764 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 15:09:35,764 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1117382773] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:35,764 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:35,764 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 3, 3] total 7 [2025-03-17 15:09:35,764 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [507816751] [2025-03-17 15:09:35,764 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:35,766 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:35,766 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:35,766 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:35,766 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:35,766 INFO L87 Difference]: Start difference. First operand 464 states and 550 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 15:09:36,119 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:36,119 INFO L93 Difference]: Finished difference Result 489 states and 557 transitions. [2025-03-17 15:09:36,119 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:36,119 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 15:09:36,120 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:36,121 INFO L225 Difference]: With dead ends: 489 [2025-03-17 15:09:36,121 INFO L226 Difference]: Without dead ends: 484 [2025-03-17 15:09:36,121 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 15:09:36,121 INFO L435 NwaCegarLoop]: 135 mSDtfsCounter, 467 mSDsluCounter, 313 mSDsCounter, 0 mSdLazyCounter, 544 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 479 SdHoareTripleChecker+Valid, 448 SdHoareTripleChecker+Invalid, 565 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 544 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:36,122 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [479 Valid, 448 Invalid, 565 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 544 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:36,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 484 states. [2025-03-17 15:09:36,129 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 484 to 460. [2025-03-17 15:09:36,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 460 states, 347 states have (on average 1.4092219020172911) internal successors, (489), 432 states have internal predecessors, (489), 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 15:09:36,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 460 states and 541 transitions. [2025-03-17 15:09:36,131 INFO L78 Accepts]: Start accepts. Automaton has 460 states and 541 transitions. Word has length 120 [2025-03-17 15:09:36,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:36,131 INFO L471 AbstractCegarLoop]: Abstraction has 460 states and 541 transitions. [2025-03-17 15:09:36,131 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 15:09:36,131 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 541 transitions. [2025-03-17 15:09:36,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2025-03-17 15:09:36,131 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:36,131 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 15:09:36,138 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 15:09:36,332 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 15:09:36,332 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 15:09:36,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:36,333 INFO L85 PathProgramCache]: Analyzing trace with hash -916866405, now seen corresponding path program 1 times [2025-03-17 15:09:36,333 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:36,333 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [497005869] [2025-03-17 15:09:36,333 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:36,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:36,338 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:09:36,346 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:09:36,346 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:36,346 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:36,347 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1355576698] [2025-03-17 15:09:36,347 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:36,347 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:36,347 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:36,349 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 15:09:36,350 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 15:09:36,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 121 statements into 1 equivalence classes. [2025-03-17 15:09:36,387 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 121 of 121 statements. [2025-03-17 15:09:36,387 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:36,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:36,388 INFO L256 TraceCheckSpWp]: Trace formula consists of 194 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:09:36,389 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:36,691 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 15:09:36,691 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:36,872 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 15:09:36,872 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:36,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [497005869] [2025-03-17 15:09:36,872 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:36,872 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1355576698] [2025-03-17 15:09:36,872 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1355576698] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:36,872 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:36,872 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:09:36,872 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1474930139] [2025-03-17 15:09:36,872 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:36,873 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:09:36,873 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:36,873 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:09:36,873 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:36,873 INFO L87 Difference]: Start difference. First operand 460 states and 541 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 15:09:38,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:38,299 INFO L93 Difference]: Finished difference Result 508 states and 548 transitions. [2025-03-17 15:09:38,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:09:38,300 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 15:09:38,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:38,301 INFO L225 Difference]: With dead ends: 508 [2025-03-17 15:09:38,301 INFO L226 Difference]: Without dead ends: 413 [2025-03-17 15:09:38,302 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 15:09:38,304 INFO L435 NwaCegarLoop]: 91 mSDtfsCounter, 320 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 1515 mSolverCounterSat, 65 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 327 SdHoareTripleChecker+Valid, 467 SdHoareTripleChecker+Invalid, 1580 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 65 IncrementalHoareTripleChecker+Valid, 1515 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:38,304 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [327 Valid, 467 Invalid, 1580 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [65 Valid, 1515 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2025-03-17 15:09:38,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 413 states. [2025-03-17 15:09:38,311 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 413 to 407. [2025-03-17 15:09:38,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 407 states, 299 states have (on average 1.3444816053511706) internal successors, (402), 382 states have internal predecessors, (402), 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 15:09:38,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 407 states to 407 states and 448 transitions. [2025-03-17 15:09:38,313 INFO L78 Accepts]: Start accepts. Automaton has 407 states and 448 transitions. Word has length 121 [2025-03-17 15:09:38,313 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:38,313 INFO L471 AbstractCegarLoop]: Abstraction has 407 states and 448 transitions. [2025-03-17 15:09:38,313 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 15:09:38,313 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 448 transitions. [2025-03-17 15:09:38,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2025-03-17 15:09:38,314 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:38,314 INFO L218 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2025-03-17 15:09:38,321 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 15:09:38,514 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 15:09:38,515 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr84ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:38,515 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:38,515 INFO L85 PathProgramCache]: Analyzing trace with hash -781541178, now seen corresponding path program 1 times [2025-03-17 15:09:38,515 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:38,515 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1585159897] [2025-03-17 15:09:38,515 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:38,515 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:38,520 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 163 statements into 1 equivalence classes. [2025-03-17 15:09:38,527 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 163 of 163 statements. [2025-03-17 15:09:38,527 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:38,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:38,592 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2025-03-17 15:09:38,592 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:38,592 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1585159897] [2025-03-17 15:09:38,592 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1585159897] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:09:38,592 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:09:38,592 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2025-03-17 15:09:38,592 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313646438] [2025-03-17 15:09:38,593 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:09:38,593 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2025-03-17 15:09:38,593 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:38,593 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2025-03-17 15:09:38,593 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2025-03-17 15:09:38,593 INFO L87 Difference]: Start difference. First operand 407 states and 448 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 15:09:38,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:38,824 INFO L93 Difference]: Finished difference Result 407 states and 448 transitions. [2025-03-17 15:09:38,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2025-03-17 15:09:38,824 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 163 [2025-03-17 15:09:38,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:38,826 INFO L225 Difference]: With dead ends: 407 [2025-03-17 15:09:38,826 INFO L226 Difference]: Without dead ends: 404 [2025-03-17 15:09:38,827 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 15:09:38,827 INFO L435 NwaCegarLoop]: 109 mSDtfsCounter, 126 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 209 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 153 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 209 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:38,827 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 153 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 209 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:38,828 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 404 states. [2025-03-17 15:09:38,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 404 to 404. [2025-03-17 15:09:38,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 404 states, 299 states have (on average 1.3311036789297659) internal successors, (398), 379 states have internal predecessors, (398), 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 15:09:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 404 states and 444 transitions. [2025-03-17 15:09:38,837 INFO L78 Accepts]: Start accepts. Automaton has 404 states and 444 transitions. Word has length 163 [2025-03-17 15:09:38,837 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:38,837 INFO L471 AbstractCegarLoop]: Abstraction has 404 states and 444 transitions. [2025-03-17 15:09:38,837 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 15:09:38,837 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 444 transitions. [2025-03-17 15:09:38,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2025-03-17 15:09:38,838 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:38,838 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 15:09:38,839 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2025-03-17 15:09:38,839 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr78ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:38,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:38,839 INFO L85 PathProgramCache]: Analyzing trace with hash 610918360, now seen corresponding path program 1 times [2025-03-17 15:09:38,839 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:38,839 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1087569321] [2025-03-17 15:09:38,839 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:38,839 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:38,845 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-17 15:09:38,852 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-17 15:09:38,852 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:38,852 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:38,912 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 15:09:38,913 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:38,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1087569321] [2025-03-17 15:09:38,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1087569321] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:38,913 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1899861532] [2025-03-17 15:09:38,913 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:38,913 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:38,913 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:38,915 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 15:09:38,916 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 15:09:38,940 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 166 statements into 1 equivalence classes. [2025-03-17 15:09:38,960 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 166 of 166 statements. [2025-03-17 15:09:38,960 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:38,960 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:38,961 INFO L256 TraceCheckSpWp]: Trace formula consists of 251 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:38,963 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:39,065 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 15:09:39,065 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:39,204 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 15:09:39,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1899861532] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:39,205 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:39,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2025-03-17 15:09:39,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1408996578] [2025-03-17 15:09:39,205 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:39,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:09:39,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:39,206 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:09:39,206 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2025-03-17 15:09:39,206 INFO L87 Difference]: Start difference. First operand 404 states and 444 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 15:09:39,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:39,471 INFO L93 Difference]: Finished difference Result 427 states and 453 transitions. [2025-03-17 15:09:39,472 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:09:39,472 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 15:09:39,472 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:39,473 INFO L225 Difference]: With dead ends: 427 [2025-03-17 15:09:39,473 INFO L226 Difference]: Without dead ends: 425 [2025-03-17 15:09:39,474 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 15:09:39,474 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 754 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 305 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 754 SdHoareTripleChecker+Valid, 582 SdHoareTripleChecker+Invalid, 345 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 305 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:39,474 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [754 Valid, 582 Invalid, 345 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 305 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:09:39,475 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 425 states. [2025-03-17 15:09:39,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 425 to 402. [2025-03-17 15:09:39,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 299 states have (on average 1.3177257525083612) internal successors, (394), 377 states have internal predecessors, (394), 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 15:09:39,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 440 transitions. [2025-03-17 15:09:39,488 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 440 transitions. Word has length 166 [2025-03-17 15:09:39,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:39,489 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 440 transitions. [2025-03-17 15:09:39,489 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 15:09:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 440 transitions. [2025-03-17 15:09:39,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2025-03-17 15:09:39,490 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:39,490 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 15:09:39,496 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 15:09:39,694 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,SelfDestructingSolverStorable23 [2025-03-17 15:09:39,694 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:39,694 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:39,694 INFO L85 PathProgramCache]: Analyzing trace with hash 1758600106, now seen corresponding path program 1 times [2025-03-17 15:09:39,694 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:39,694 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1347886169] [2025-03-17 15:09:39,694 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:39,695 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:39,702 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-17 15:09:39,716 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-17 15:09:39,717 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:39,717 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:39,718 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [34255570] [2025-03-17 15:09:39,719 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:39,719 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:39,719 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:39,720 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 15:09:39,722 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 15:09:39,749 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 167 statements into 1 equivalence classes. [2025-03-17 15:09:39,771 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 167 of 167 statements. [2025-03-17 15:09:39,771 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:39,771 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:39,772 INFO L256 TraceCheckSpWp]: Trace formula consists of 252 conjuncts, 6 conjuncts are in the unsatisfiable core [2025-03-17 15:09:39,774 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:40,082 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 15:09:40,082 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:40,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:40,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1347886169] [2025-03-17 15:09:40,564 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:40,564 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [34255570] [2025-03-17 15:09:40,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [34255570] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:40,564 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:40,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:09:40,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2010115276] [2025-03-17 15:09:40,564 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:40,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:40,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:40,565 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:40,565 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:40,565 INFO L87 Difference]: Start difference. First operand 402 states and 440 transitions. Second operand has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-17 15:09:40,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:40,904 INFO L93 Difference]: Finished difference Result 403 states and 440 transitions. [2025-03-17 15:09:40,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2025-03-17 15:09:40,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) Word has length 167 [2025-03-17 15:09:40,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:40,906 INFO L225 Difference]: With dead ends: 403 [2025-03-17 15:09:40,906 INFO L226 Difference]: Without dead ends: 402 [2025-03-17 15:09:40,906 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 254 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:40,906 INFO L435 NwaCegarLoop]: 206 mSDtfsCounter, 34 mSDsluCounter, 223 mSDsCounter, 0 mSdLazyCounter, 673 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 429 SdHoareTripleChecker+Invalid, 676 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 673 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:40,906 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 429 Invalid, 676 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 673 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2025-03-17 15:09:40,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-03-17 15:09:40,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2025-03-17 15:09:40,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 299 states have (on average 1.31438127090301) internal successors, (393), 377 states have internal predecessors, (393), 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 15:09:40,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 439 transitions. [2025-03-17 15:09:40,915 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 439 transitions. Word has length 167 [2025-03-17 15:09:40,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:40,915 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 439 transitions. [2025-03-17 15:09:40,915 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 28.75) internal successors, (115), 5 states have internal predecessors, (115), 2 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 2 states have call predecessors, (11), 2 states have call successors, (11) [2025-03-17 15:09:40,915 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 439 transitions. [2025-03-17 15:09:40,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2025-03-17 15:09:40,916 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:40,916 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] [2025-03-17 15:09:40,922 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:41,116 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,SelfDestructingSolverStorable24 [2025-03-17 15:09:41,117 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:41,117 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:41,117 INFO L85 PathProgramCache]: Analyzing trace with hash -1317971434, now seen corresponding path program 1 times [2025-03-17 15:09:41,117 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:41,117 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [653835882] [2025-03-17 15:09:41,117 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:41,117 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:41,122 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-17 15:09:41,132 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-17 15:09:41,134 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:41,134 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:41,137 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2081981994] [2025-03-17 15:09:41,137 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:41,137 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:41,137 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:41,139 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 15:09:41,141 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 15:09:41,166 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 168 statements into 1 equivalence classes. [2025-03-17 15:09:41,189 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 168 of 168 statements. [2025-03-17 15:09:41,189 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:41,189 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:41,191 INFO L256 TraceCheckSpWp]: Trace formula consists of 253 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:09:41,193 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:41,489 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 15:09:41,489 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:41,604 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:41,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [653835882] [2025-03-17 15:09:41,604 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:41,604 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081981994] [2025-03-17 15:09:41,604 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081981994] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:41,604 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:41,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2025-03-17 15:09:41,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103000913] [2025-03-17 15:09:41,604 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:41,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:09:41,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:41,605 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:09:41,605 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2025-03-17 15:09:41,605 INFO L87 Difference]: Start difference. First operand 402 states and 439 transitions. Second operand has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-17 15:09:42,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:42,010 INFO L93 Difference]: Finished difference Result 413 states and 439 transitions. [2025-03-17 15:09:42,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:42,010 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) Word has length 168 [2025-03-17 15:09:42,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:42,011 INFO L225 Difference]: With dead ends: 413 [2025-03-17 15:09:42,011 INFO L226 Difference]: Without dead ends: 412 [2025-03-17 15:09:42,011 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 184 GetRequests, 176 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:42,012 INFO L435 NwaCegarLoop]: 183 mSDtfsCounter, 69 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 894 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 69 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 898 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 894 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:42,012 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [69 Valid, 513 Invalid, 898 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 894 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2025-03-17 15:09:42,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 412 states. [2025-03-17 15:09:42,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 412 to 402. [2025-03-17 15:09:42,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 299 states have (on average 1.3110367892976589) internal successors, (392), 377 states have internal predecessors, (392), 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 15:09:42,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 438 transitions. [2025-03-17 15:09:42,020 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 438 transitions. Word has length 168 [2025-03-17 15:09:42,020 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:42,020 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 438 transitions. [2025-03-17 15:09:42,020 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 23.2) internal successors, (116), 6 states have internal predecessors, (116), 3 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 3 states have call predecessors, (11), 3 states have call successors, (11) [2025-03-17 15:09:42,020 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 438 transitions. [2025-03-17 15:09:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2025-03-17 15:09:42,021 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:42,021 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 15:09:42,027 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:42,221 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,SelfDestructingSolverStorable25 [2025-03-17 15:09:42,221 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:42,222 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:42,222 INFO L85 PathProgramCache]: Analyzing trace with hash 904154790, now seen corresponding path program 1 times [2025-03-17 15:09:42,222 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:42,222 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [921696077] [2025-03-17 15:09:42,222 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:42,222 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:42,227 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-17 15:09:42,238 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 15:09:42,239 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:42,239 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:42,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1013257900] [2025-03-17 15:09:42,240 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:42,240 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:42,240 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:42,241 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 15:09:42,243 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 15:09:42,267 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 171 statements into 1 equivalence classes. [2025-03-17 15:09:42,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 171 of 171 statements. [2025-03-17 15:09:42,290 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:42,290 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:42,291 INFO L256 TraceCheckSpWp]: Trace formula consists of 256 conjuncts, 15 conjuncts are in the unsatisfiable core [2025-03-17 15:09:42,293 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:43,275 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 15:09:43,275 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:43,667 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 15:09:43,667 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:43,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [921696077] [2025-03-17 15:09:43,667 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:43,667 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1013257900] [2025-03-17 15:09:43,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1013257900] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:43,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:43,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-17 15:09:43,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330192239] [2025-03-17 15:09:43,668 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:43,668 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:43,668 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:43,668 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:43,668 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=74, Unknown=0, NotChecked=0, Total=110 [2025-03-17 15:09:43,668 INFO L87 Difference]: Start difference. First operand 402 states and 438 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 15:09:45,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:45,931 INFO L93 Difference]: Finished difference Result 410 states and 438 transitions. [2025-03-17 15:09:45,931 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2025-03-17 15:09:45,931 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 15:09:45,932 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:45,933 INFO L225 Difference]: With dead ends: 410 [2025-03-17 15:09:45,933 INFO L226 Difference]: Without dead ends: 402 [2025-03-17 15:09:45,933 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 15:09:45,936 INFO L435 NwaCegarLoop]: 86 mSDtfsCounter, 450 mSDsluCounter, 206 mSDsCounter, 0 mSdLazyCounter, 1497 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 2.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 455 SdHoareTripleChecker+Valid, 292 SdHoareTripleChecker+Invalid, 1528 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 1497 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2.1s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:45,936 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [455 Valid, 292 Invalid, 1528 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 1497 Invalid, 0 Unknown, 0 Unchecked, 2.1s Time] [2025-03-17 15:09:45,936 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 402 states. [2025-03-17 15:09:45,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 402 to 402. [2025-03-17 15:09:45,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 402 states, 299 states have (on average 1.2842809364548495) internal successors, (384), 377 states have internal predecessors, (384), 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 15:09:45,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 402 states and 430 transitions. [2025-03-17 15:09:45,946 INFO L78 Accepts]: Start accepts. Automaton has 402 states and 430 transitions. Word has length 171 [2025-03-17 15:09:45,947 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:45,947 INFO L471 AbstractCegarLoop]: Abstraction has 402 states and 430 transitions. [2025-03-17 15:09:45,947 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 15:09:45,947 INFO L276 IsEmpty]: Start isEmpty. Operand 402 states and 430 transitions. [2025-03-17 15:09:45,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2025-03-17 15:09:45,948 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:45,948 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 15:09:45,954 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 15:09:46,148 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:46,148 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr59ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:46,148 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:46,149 INFO L85 PathProgramCache]: Analyzing trace with hash 263943380, now seen corresponding path program 1 times [2025-03-17 15:09:46,149 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:46,149 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1583428165] [2025-03-17 15:09:46,149 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:46,149 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:46,154 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 15:09:46,165 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 15:09:46,165 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:46,165 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:46,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [75360538] [2025-03-17 15:09:46,166 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:46,166 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:46,166 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:46,168 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 15:09:46,169 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 15:09:46,193 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 190 statements into 1 equivalence classes. [2025-03-17 15:09:46,217 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 190 of 190 statements. [2025-03-17 15:09:46,217 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:46,217 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:46,219 INFO L256 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 13 conjuncts are in the unsatisfiable core [2025-03-17 15:09:46,221 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:46,800 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 15:09:46,800 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:47,425 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 15:09:47,425 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1583428165] [2025-03-17 15:09:47,425 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:47,425 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [75360538] [2025-03-17 15:09:47,425 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [75360538] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:47,425 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:47,425 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8] total 14 [2025-03-17 15:09:47,425 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133412091] [2025-03-17 15:09:47,425 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:47,426 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2025-03-17 15:09:47,426 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:47,426 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2025-03-17 15:09:47,426 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:09:47,426 INFO L87 Difference]: Start difference. First operand 402 states and 430 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 15:09:48,546 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:48,546 INFO L93 Difference]: Finished difference Result 473 states and 539 transitions. [2025-03-17 15:09:48,547 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:09:48,547 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 15:09:48,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:48,548 INFO L225 Difference]: With dead ends: 473 [2025-03-17 15:09:48,548 INFO L226 Difference]: Without dead ends: 470 [2025-03-17 15:09:48,549 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 15:09:48,549 INFO L435 NwaCegarLoop]: 55 mSDtfsCounter, 187 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 1582 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 1601 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 1582 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:48,549 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 234 Invalid, 1601 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 1582 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2025-03-17 15:09:48,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 470 states. [2025-03-17 15:09:48,568 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 470 to 468. [2025-03-17 15:09:48,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 359 states have (on average 1.3286908077994428) internal successors, (477), 437 states have internal predecessors, (477), 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 15:09:48,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 535 transitions. [2025-03-17 15:09:48,570 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 535 transitions. Word has length 190 [2025-03-17 15:09:48,570 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:48,570 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 535 transitions. [2025-03-17 15:09:48,570 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 15:09:48,570 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 535 transitions. [2025-03-17 15:09:48,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-17 15:09:48,571 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:48,571 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 15:09:48,577 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:48,771 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,SelfDestructingSolverStorable27 [2025-03-17 15:09:48,772 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr120ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:48,772 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:48,772 INFO L85 PathProgramCache]: Analyzing trace with hash -1511755644, now seen corresponding path program 1 times [2025-03-17 15:09:48,772 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:48,772 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1364923897] [2025-03-17 15:09:48,772 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:48,772 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:48,778 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:48,789 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:48,789 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:48,789 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:48,790 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [61098678] [2025-03-17 15:09:48,790 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:48,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:48,790 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:48,792 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 15:09:48,794 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 15:09:48,826 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:48,851 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:48,851 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:48,851 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:48,852 INFO L256 TraceCheckSpWp]: Trace formula consists of 288 conjuncts, 4 conjuncts are in the unsatisfiable core [2025-03-17 15:09:48,854 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:48,975 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 15:09:48,975 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:49,040 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1364923897] [2025-03-17 15:09:49,040 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:49,040 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [61098678] [2025-03-17 15:09:49,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [61098678] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:49,040 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:49,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2025-03-17 15:09:49,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1905306067] [2025-03-17 15:09:49,040 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:49,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2025-03-17 15:09:49,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:49,041 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2025-03-17 15:09:49,041 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2025-03-17 15:09:49,041 INFO L87 Difference]: Start difference. First operand 468 states and 535 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 15:09:49,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:49,137 INFO L93 Difference]: Finished difference Result 609 states and 640 transitions. [2025-03-17 15:09:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2025-03-17 15:09:49,139 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 15:09:49,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:49,140 INFO L225 Difference]: With dead ends: 609 [2025-03-17 15:09:49,141 INFO L226 Difference]: Without dead ends: 608 [2025-03-17 15:09:49,142 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 15:09:49,145 INFO L435 NwaCegarLoop]: 218 mSDtfsCounter, 223 mSDsluCounter, 482 mSDsCounter, 0 mSdLazyCounter, 127 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 700 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 15:09:49,145 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 700 Invalid, 127 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 127 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2025-03-17 15:09:49,147 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 608 states. [2025-03-17 15:09:49,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 608 to 468. [2025-03-17 15:09:49,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 468 states, 359 states have (on average 1.3259052924791086) internal successors, (476), 437 states have internal predecessors, (476), 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 15:09:49,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 468 states to 468 states and 534 transitions. [2025-03-17 15:09:49,160 INFO L78 Accepts]: Start accepts. Automaton has 468 states and 534 transitions. Word has length 191 [2025-03-17 15:09:49,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:49,160 INFO L471 AbstractCegarLoop]: Abstraction has 468 states and 534 transitions. [2025-03-17 15:09:49,160 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 15:09:49,160 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 534 transitions. [2025-03-17 15:09:49,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2025-03-17 15:09:49,161 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:49,161 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 15:09:49,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2025-03-17 15:09:49,365 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,SelfDestructingSolverStorable28 [2025-03-17 15:09:49,365 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr58ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:49,365 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:49,365 INFO L85 PathProgramCache]: Analyzing trace with hash -407689721, now seen corresponding path program 1 times [2025-03-17 15:09:49,365 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:49,366 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [879989492] [2025-03-17 15:09:49,366 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:49,366 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:49,371 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:49,376 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:49,376 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:49,376 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:49,491 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 15:09:49,492 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [879989492] [2025-03-17 15:09:49,492 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [879989492] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:49,492 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [900392914] [2025-03-17 15:09:49,492 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:49,492 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:49,492 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:49,494 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 15:09:49,496 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 15:09:49,523 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 191 statements into 1 equivalence classes. [2025-03-17 15:09:49,548 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 191 of 191 statements. [2025-03-17 15:09:49,548 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:49,548 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:49,549 INFO L256 TraceCheckSpWp]: Trace formula consists of 280 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:49,551 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:49,923 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 15:09:49,923 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:49,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [900392914] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:49,977 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:49,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 10 [2025-03-17 15:09:49,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537395107] [2025-03-17 15:09:49,977 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:49,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:49,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:49,978 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:49,978 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:49,978 INFO L87 Difference]: Start difference. First operand 468 states and 534 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 15:09:51,334 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:51,334 INFO L93 Difference]: Finished difference Result 468 states and 534 transitions. [2025-03-17 15:09:51,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:09:51,334 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 15:09:51,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:51,335 INFO L225 Difference]: With dead ends: 468 [2025-03-17 15:09:51,336 INFO L226 Difference]: Without dead ends: 464 [2025-03-17 15:09:51,336 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 214 GetRequests, 196 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=99, Invalid=281, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:09:51,336 INFO L435 NwaCegarLoop]: 50 mSDtfsCounter, 389 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 1600 mSolverCounterSat, 38 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 389 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 1638 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 38 IncrementalHoareTripleChecker+Valid, 1600 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:51,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [389 Valid, 241 Invalid, 1638 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [38 Valid, 1600 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 15:09:51,336 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 464 states. [2025-03-17 15:09:51,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 464 to 464. [2025-03-17 15:09:51,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 464 states, 359 states have (on average 1.3036211699164346) internal successors, (468), 433 states have internal predecessors, (468), 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 15:09:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 464 states and 526 transitions. [2025-03-17 15:09:51,349 INFO L78 Accepts]: Start accepts. Automaton has 464 states and 526 transitions. Word has length 191 [2025-03-17 15:09:51,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:51,349 INFO L471 AbstractCegarLoop]: Abstraction has 464 states and 526 transitions. [2025-03-17 15:09:51,350 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 15:09:51,350 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 526 transitions. [2025-03-17 15:09:51,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2025-03-17 15:09:51,350 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:51,350 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 15:09:51,356 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2025-03-17 15:09:51,551 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:51,551 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:51,552 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:51,552 INFO L85 PathProgramCache]: Analyzing trace with hash -298020669, now seen corresponding path program 1 times [2025-03-17 15:09:51,552 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:51,553 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983546142] [2025-03-17 15:09:51,553 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:51,553 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:51,562 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-17 15:09:51,573 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-17 15:09:51,574 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:51,574 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:51,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1527984105] [2025-03-17 15:09:51,575 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:51,575 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:51,575 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:51,577 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 15:09:51,579 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 15:09:51,609 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 195 statements into 1 equivalence classes. [2025-03-17 15:09:51,636 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 195 of 195 statements. [2025-03-17 15:09:51,636 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:51,636 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:51,638 INFO L256 TraceCheckSpWp]: Trace formula consists of 284 conjuncts, 12 conjuncts are in the unsatisfiable core [2025-03-17 15:09:51,640 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:52,146 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 15:09:52,146 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:53,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:53,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983546142] [2025-03-17 15:09:53,244 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:53,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1527984105] [2025-03-17 15:09:53,244 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1527984105] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:53,244 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:53,244 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:09:53,244 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940899345] [2025-03-17 15:09:53,244 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:53,244 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:09:53,244 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:53,245 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:09:53,245 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=140, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:09:53,245 INFO L87 Difference]: Start difference. First operand 464 states and 526 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 15:09:53,791 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:53,792 INFO L93 Difference]: Finished difference Result 466 states and 526 transitions. [2025-03-17 15:09:53,792 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:09:53,792 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 15:09:53,792 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:53,793 INFO L225 Difference]: With dead ends: 466 [2025-03-17 15:09:53,793 INFO L226 Difference]: Without dead ends: 430 [2025-03-17 15:09:53,794 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 303 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 56 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:09:53,794 INFO L435 NwaCegarLoop]: 169 mSDtfsCounter, 36 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 1409 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 36 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 1412 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1409 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:53,794 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [36 Valid, 361 Invalid, 1412 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1409 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:53,794 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 430 states. [2025-03-17 15:09:53,805 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 430 to 430. [2025-03-17 15:09:53,805 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 430 states, 327 states have (on average 1.327217125382263) internal successors, (434), 401 states have internal predecessors, (434), 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 15:09:53,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 430 states and 488 transitions. [2025-03-17 15:09:53,806 INFO L78 Accepts]: Start accepts. Automaton has 430 states and 488 transitions. Word has length 195 [2025-03-17 15:09:53,806 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:53,806 INFO L471 AbstractCegarLoop]: Abstraction has 430 states and 488 transitions. [2025-03-17 15:09:53,806 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 15:09:53,806 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 488 transitions. [2025-03-17 15:09:53,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2025-03-17 15:09:53,807 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:53,807 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 15:09:53,815 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 15:09:54,007 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:54,008 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:54,008 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:54,008 INFO L85 PathProgramCache]: Analyzing trace with hash -1223505879, now seen corresponding path program 2 times [2025-03-17 15:09:54,008 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:54,008 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155133880] [2025-03-17 15:09:54,008 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:54,008 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:54,015 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 198 statements into 2 equivalence classes. [2025-03-17 15:09:54,028 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-03-17 15:09:54,028 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:54,028 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:09:54,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1086824914] [2025-03-17 15:09:54,030 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:54,030 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:54,030 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:54,032 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 15:09:54,033 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 15:09:54,060 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 198 statements into 2 equivalence classes. [2025-03-17 15:09:54,089 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 198 of 198 statements. [2025-03-17 15:09:54,089 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:54,089 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:54,092 INFO L256 TraceCheckSpWp]: Trace formula consists of 299 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:09:54,094 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:54,360 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 15:09:54,360 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:54,594 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:54,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155133880] [2025-03-17 15:09:54,594 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:09:54,594 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1086824914] [2025-03-17 15:09:54,594 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1086824914] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:54,594 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:09:54,594 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2025-03-17 15:09:54,594 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1852323590] [2025-03-17 15:09:54,594 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:54,594 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2025-03-17 15:09:54,594 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:54,594 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2025-03-17 15:09:54,595 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:54,595 INFO L87 Difference]: Start difference. First operand 430 states and 488 transitions. Second operand has 7 states, 6 states have (on average 22.666666666666668) internal successors, (136), 7 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 15:09:55,105 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:55,105 INFO L93 Difference]: Finished difference Result 524 states and 599 transitions. [2025-03-17 15:09:55,106 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:09:55,106 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 22.666666666666668) internal successors, (136), 7 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 15:09:55,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:55,107 INFO L225 Difference]: With dead ends: 524 [2025-03-17 15:09:55,107 INFO L226 Difference]: Without dead ends: 502 [2025-03-17 15:09:55,107 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 242 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=56, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:09:55,108 INFO L435 NwaCegarLoop]: 163 mSDtfsCounter, 121 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 1058 mSolverCounterSat, 21 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1079 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 21 IncrementalHoareTripleChecker+Valid, 1058 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:55,108 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 548 Invalid, 1079 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [21 Valid, 1058 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:55,109 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 502 states. [2025-03-17 15:09:55,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 502 to 490. [2025-03-17 15:09:55,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 490 states, 384 states have (on average 1.3125) internal successors, (504), 458 states have internal predecessors, (504), 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 15:09:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 564 transitions. [2025-03-17 15:09:55,129 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 564 transitions. Word has length 198 [2025-03-17 15:09:55,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:55,129 INFO L471 AbstractCegarLoop]: Abstraction has 490 states and 564 transitions. [2025-03-17 15:09:55,129 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 22.666666666666668) internal successors, (136), 7 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 15:09:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 564 transitions. [2025-03-17 15:09:55,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2025-03-17 15:09:55,130 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:55,130 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 15:09:55,136 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 15:09:55,334 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:55,334 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr117ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:55,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:55,334 INFO L85 PathProgramCache]: Analyzing trace with hash 726023630, now seen corresponding path program 2 times [2025-03-17 15:09:55,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:55,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2140436176] [2025-03-17 15:09:55,334 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:55,335 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:55,340 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-17 15:09:55,345 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 15:09:55,345 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:55,345 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:55,449 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 15:09:55,450 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:55,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2140436176] [2025-03-17 15:09:55,450 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2140436176] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:55,450 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [247193426] [2025-03-17 15:09:55,450 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:55,450 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:55,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:55,452 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 15:09:55,454 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 15:09:55,478 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 199 statements into 2 equivalence classes. [2025-03-17 15:09:55,500 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 199 of 199 statements. [2025-03-17 15:09:55,501 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:55,501 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:55,501 INFO L256 TraceCheckSpWp]: Trace formula consists of 300 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:55,503 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:55,773 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 15:09:55,773 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:55,948 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 15:09:55,948 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [247193426] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:55,948 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:55,948 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 15:09:55,948 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [349295973] [2025-03-17 15:09:55,948 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:55,948 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:09:55,948 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:55,949 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:09:55,949 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:55,949 INFO L87 Difference]: Start difference. First operand 490 states and 564 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 15:09:56,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:56,797 INFO L93 Difference]: Finished difference Result 490 states and 564 transitions. [2025-03-17 15:09:56,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2025-03-17 15:09:56,798 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 15:09:56,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:56,799 INFO L225 Difference]: With dead ends: 490 [2025-03-17 15:09:56,799 INFO L226 Difference]: Without dead ends: 486 [2025-03-17 15:09:56,799 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 15:09:56,799 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 534 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 1294 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 534 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 1334 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 1294 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:56,800 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [534 Valid, 549 Invalid, 1334 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 1294 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:09:56,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 486 states. [2025-03-17 15:09:56,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 486 to 486. [2025-03-17 15:09:56,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 486 states, 384 states have (on average 1.2916666666666667) internal successors, (496), 454 states have internal predecessors, (496), 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 15:09:56,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 486 states and 556 transitions. [2025-03-17 15:09:56,814 INFO L78 Accepts]: Start accepts. Automaton has 486 states and 556 transitions. Word has length 199 [2025-03-17 15:09:56,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:56,814 INFO L471 AbstractCegarLoop]: Abstraction has 486 states and 556 transitions. [2025-03-17 15:09:56,814 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 15:09:56,814 INFO L276 IsEmpty]: Start isEmpty. Operand 486 states and 556 transitions. [2025-03-17 15:09:56,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2025-03-17 15:09:56,815 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:56,815 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 15:09:56,822 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 15:09:57,015 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,SelfDestructingSolverStorable32 [2025-03-17 15:09:57,016 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr116ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:57,016 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:57,016 INFO L85 PathProgramCache]: Analyzing trace with hash 1031896263, now seen corresponding path program 2 times [2025-03-17 15:09:57,016 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:57,016 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1482317169] [2025-03-17 15:09:57,016 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:57,016 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:57,022 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-03-17 15:09:57,030 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-03-17 15:09:57,030 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:57,030 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:57,126 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 15:09:57,127 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1482317169] [2025-03-17 15:09:57,127 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1482317169] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:57,127 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [157959503] [2025-03-17 15:09:57,127 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:09:57,127 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:57,127 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:57,129 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 15:09:57,130 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 15:09:57,154 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 200 statements into 2 equivalence classes. [2025-03-17 15:09:57,179 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 200 of 200 statements. [2025-03-17 15:09:57,179 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:09:57,179 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:57,180 INFO L256 TraceCheckSpWp]: Trace formula consists of 301 conjuncts, 7 conjuncts are in the unsatisfiable core [2025-03-17 15:09:57,182 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:57,497 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 15:09:57,497 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:57,672 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 15:09:57,672 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [157959503] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:09:57,672 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2025-03-17 15:09:57,673 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 12 [2025-03-17 15:09:57,673 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089254458] [2025-03-17 15:09:57,673 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:57,673 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2025-03-17 15:09:57,673 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:57,673 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2025-03-17 15:09:57,673 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=101, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:57,674 INFO L87 Difference]: Start difference. First operand 486 states and 556 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 15:09:58,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:09:58,186 INFO L93 Difference]: Finished difference Result 538 states and 603 transitions. [2025-03-17 15:09:58,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:09:58,189 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 15:09:58,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:09:58,190 INFO L225 Difference]: With dead ends: 538 [2025-03-17 15:09:58,190 INFO L226 Difference]: Without dead ends: 536 [2025-03-17 15:09:58,190 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 15:09:58,191 INFO L435 NwaCegarLoop]: 97 mSDtfsCounter, 501 mSDsluCounter, 402 mSDsCounter, 0 mSdLazyCounter, 915 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 508 SdHoareTripleChecker+Valid, 499 SdHoareTripleChecker+Invalid, 942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 915 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:09:58,191 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [508 Valid, 499 Invalid, 942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 915 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2025-03-17 15:09:58,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 536 states. [2025-03-17 15:09:58,204 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 536 to 513. [2025-03-17 15:09:58,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 513 states, 408 states have (on average 1.2769607843137254) internal successors, (521), 478 states have internal predecessors, (521), 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 15:09:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 513 states and 587 transitions. [2025-03-17 15:09:58,205 INFO L78 Accepts]: Start accepts. Automaton has 513 states and 587 transitions. Word has length 200 [2025-03-17 15:09:58,205 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:09:58,205 INFO L471 AbstractCegarLoop]: Abstraction has 513 states and 587 transitions. [2025-03-17 15:09:58,205 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 15:09:58,205 INFO L276 IsEmpty]: Start isEmpty. Operand 513 states and 587 transitions. [2025-03-17 15:09:58,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2025-03-17 15:09:58,206 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:09:58,206 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 15:09:58,215 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 15:09:58,406 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,SelfDestructingSolverStorable33 [2025-03-17 15:09:58,407 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr114ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:09:58,407 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:09:58,407 INFO L85 PathProgramCache]: Analyzing trace with hash -485129883, now seen corresponding path program 1 times [2025-03-17 15:09:58,407 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:09:58,407 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1963423319] [2025-03-17 15:09:58,407 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:58,407 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:09:58,412 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-17 15:09:58,418 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-17 15:09:58,418 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:58,418 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:58,518 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 15:09:58,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:09:58,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1963423319] [2025-03-17 15:09:58,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1963423319] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:58,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [375362178] [2025-03-17 15:09:58,518 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:09:58,518 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:09:58,518 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:09:58,520 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 15:09:58,521 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 15:09:58,545 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 202 statements into 1 equivalence classes. [2025-03-17 15:09:58,578 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 202 of 202 statements. [2025-03-17 15:09:58,579 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:09:58,579 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:09:58,580 INFO L256 TraceCheckSpWp]: Trace formula consists of 303 conjuncts, 8 conjuncts are in the unsatisfiable core [2025-03-17 15:09:58,581 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:09:58,915 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 15:09:58,915 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:09:58,974 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [375362178] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:09:58,975 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:09:58,975 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2025-03-17 15:09:58,975 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [795564356] [2025-03-17 15:09:58,975 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:09:58,975 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:09:58,975 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:09:58,975 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:09:58,975 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:09:58,976 INFO L87 Difference]: Start difference. First operand 513 states and 587 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 15:10:00,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:00,521 INFO L93 Difference]: Finished difference Result 513 states and 587 transitions. [2025-03-17 15:10:00,521 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:10:00,521 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 15:10:00,521 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:00,523 INFO L225 Difference]: With dead ends: 513 [2025-03-17 15:10:00,523 INFO L226 Difference]: Without dead ends: 501 [2025-03-17 15:10:00,523 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 15:10:00,523 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 478 mSDsluCounter, 515 mSDsCounter, 0 mSdLazyCounter, 1382 mSolverCounterSat, 48 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 478 SdHoareTripleChecker+Valid, 635 SdHoareTripleChecker+Invalid, 1430 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 48 IncrementalHoareTripleChecker+Valid, 1382 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:00,523 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [478 Valid, 635 Invalid, 1430 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [48 Valid, 1382 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 15:10:00,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 501 states. [2025-03-17 15:10:00,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 501 to 501. [2025-03-17 15:10:00,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 501 states, 408 states have (on average 1.2401960784313726) internal successors, (506), 466 states have internal predecessors, (506), 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 15:10:00,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 501 states and 572 transitions. [2025-03-17 15:10:00,538 INFO L78 Accepts]: Start accepts. Automaton has 501 states and 572 transitions. Word has length 202 [2025-03-17 15:10:00,538 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:00,538 INFO L471 AbstractCegarLoop]: Abstraction has 501 states and 572 transitions. [2025-03-17 15:10:00,538 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 15:10:00,538 INFO L276 IsEmpty]: Start isEmpty. Operand 501 states and 572 transitions. [2025-03-17 15:10:00,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2025-03-17 15:10:00,539 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:00,539 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 15:10:00,544 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 15:10:00,739 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:00,739 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr111ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:00,740 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:00,740 INFO L85 PathProgramCache]: Analyzing trace with hash 60812072, now seen corresponding path program 1 times [2025-03-17 15:10:00,740 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:00,740 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [104416843] [2025-03-17 15:10:00,740 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:00,740 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:00,744 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-17 15:10:00,755 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-17 15:10:00,756 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:00,756 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:00,756 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2006222738] [2025-03-17 15:10:00,756 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:00,756 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:00,757 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:00,759 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 15:10:00,760 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 15:10:00,785 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 205 statements into 1 equivalence classes. [2025-03-17 15:10:00,812 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 205 of 205 statements. [2025-03-17 15:10:00,812 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:00,812 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:00,814 INFO L256 TraceCheckSpWp]: Trace formula consists of 306 conjuncts, 19 conjuncts are in the unsatisfiable core [2025-03-17 15:10:00,816 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:01,249 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 15:10:01,249 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:01,551 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 15:10:01,551 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:01,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [104416843] [2025-03-17 15:10:01,551 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:01,551 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2006222738] [2025-03-17 15:10:01,552 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2006222738] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:01,552 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:10:01,553 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-17 15:10:01,553 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478765983] [2025-03-17 15:10:01,553 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:01,553 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:10:01,553 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:01,554 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:10:01,554 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=162, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:10:01,554 INFO L87 Difference]: Start difference. First operand 501 states and 572 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 15:10:02,933 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 15:10:04,970 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:04,970 INFO L93 Difference]: Finished difference Result 800 states and 968 transitions. [2025-03-17 15:10:04,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2025-03-17 15:10:04,971 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 15:10:04,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:04,973 INFO L225 Difference]: With dead ends: 800 [2025-03-17 15:10:04,973 INFO L226 Difference]: Without dead ends: 716 [2025-03-17 15:10:04,974 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 394 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=179, Invalid=327, Unknown=0, NotChecked=0, Total=506 [2025-03-17 15:10:04,974 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 1511 mSDsluCounter, 819 mSDsCounter, 0 mSdLazyCounter, 2508 mSolverCounterSat, 128 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1525 SdHoareTripleChecker+Valid, 940 SdHoareTripleChecker+Invalid, 2636 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 128 IncrementalHoareTripleChecker+Valid, 2508 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:04,974 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1525 Valid, 940 Invalid, 2636 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [128 Valid, 2508 Invalid, 0 Unknown, 0 Unchecked, 3.2s Time] [2025-03-17 15:10:04,977 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 716 states. [2025-03-17 15:10:04,998 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 716 to 518. [2025-03-17 15:10:04,999 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 15:10:04,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 518 states and 586 transitions. [2025-03-17 15:10:05,000 INFO L78 Accepts]: Start accepts. Automaton has 518 states and 586 transitions. Word has length 205 [2025-03-17 15:10:05,000 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:05,000 INFO L471 AbstractCegarLoop]: Abstraction has 518 states and 586 transitions. [2025-03-17 15:10:05,000 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 15:10:05,000 INFO L276 IsEmpty]: Start isEmpty. Operand 518 states and 586 transitions. [2025-03-17 15:10:05,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2025-03-17 15:10:05,001 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:05,001 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 15:10:05,011 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 15:10:05,201 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 15:10:05,201 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr77ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:05,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:05,202 INFO L85 PathProgramCache]: Analyzing trace with hash -848226245, now seen corresponding path program 2 times [2025-03-17 15:10:05,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:05,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852377427] [2025-03-17 15:10:05,202 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:05,202 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:05,207 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-17 15:10:05,219 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 15:10:05,220 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:05,220 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:05,221 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [799161209] [2025-03-17 15:10:05,221 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:05,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:05,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:05,225 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 15:10:05,226 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 15:10:05,253 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 247 statements into 2 equivalence classes. [2025-03-17 15:10:05,285 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 247 of 247 statements. [2025-03-17 15:10:05,285 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:05,285 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:05,286 INFO L256 TraceCheckSpWp]: Trace formula consists of 360 conjuncts, 11 conjuncts are in the unsatisfiable core [2025-03-17 15:10:05,289 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:05,802 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 15:10:05,802 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:10,206 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:10,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852377427] [2025-03-17 15:10:10,207 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:10,207 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [799161209] [2025-03-17 15:10:10,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [799161209] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:10,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:10,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2025-03-17 15:10:10,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270800842] [2025-03-17 15:10:10,207 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:10,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2025-03-17 15:10:10,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:10,208 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2025-03-17 15:10:10,208 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=117, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:10:10,208 INFO L87 Difference]: Start difference. First operand 518 states and 586 transitions. Second operand has 9 states, 8 states have (on average 21.25) internal successors, (170), 9 states have internal predecessors, (170), 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 15:10:11,128 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:11,128 INFO L93 Difference]: Finished difference Result 518 states and 586 transitions. [2025-03-17 15:10:11,128 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2025-03-17 15:10:11,128 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 21.25) internal successors, (170), 9 states have internal predecessors, (170), 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 247 [2025-03-17 15:10:11,129 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:11,130 INFO L225 Difference]: With dead ends: 518 [2025-03-17 15:10:11,130 INFO L226 Difference]: Without dead ends: 517 [2025-03-17 15:10:11,130 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 347 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 4.2s TimeCoverageRelationStatistics Valid=121, Invalid=259, Unknown=0, NotChecked=0, Total=380 [2025-03-17 15:10:11,131 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 550 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1235 mSolverCounterSat, 42 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 550 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1277 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 42 IncrementalHoareTripleChecker+Valid, 1235 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:11,131 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [550 Valid, 166 Invalid, 1277 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [42 Valid, 1235 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2025-03-17 15:10:11,131 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2025-03-17 15:10:11,147 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2025-03-17 15:10:11,147 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 15:10:11,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 584 transitions. [2025-03-17 15:10:11,148 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 584 transitions. Word has length 247 [2025-03-17 15:10:11,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:11,148 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 584 transitions. [2025-03-17 15:10:11,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 21.25) internal successors, (170), 9 states have internal predecessors, (170), 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 15:10:11,148 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 584 transitions. [2025-03-17 15:10:11,149 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2025-03-17 15:10:11,149 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:11,149 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 15:10:11,156 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:11,353 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 15:10:11,353 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr76ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:11,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:11,353 INFO L85 PathProgramCache]: Analyzing trace with hash -525209691, now seen corresponding path program 2 times [2025-03-17 15:10:11,353 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:11,353 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122739875] [2025-03-17 15:10:11,353 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:11,353 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:11,362 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-17 15:10:11,375 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-17 15:10:11,375 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:11,375 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:11,376 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1915827282] [2025-03-17 15:10:11,376 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:11,376 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:11,376 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:11,377 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 15:10:11,379 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 15:10:11,412 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 248 statements into 2 equivalence classes. [2025-03-17 15:10:11,439 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 248 of 248 statements. [2025-03-17 15:10:11,439 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:11,439 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:11,440 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 14 conjuncts are in the unsatisfiable core [2025-03-17 15:10:11,442 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:11,966 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 15:10:11,966 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:12,474 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:12,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122739875] [2025-03-17 15:10:12,474 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:12,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1915827282] [2025-03-17 15:10:12,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1915827282] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:12,474 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:12,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2025-03-17 15:10:12,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [774411193] [2025-03-17 15:10:12,474 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:12,475 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:12,475 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:12,475 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:12,475 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=161, Unknown=0, NotChecked=0, Total=210 [2025-03-17 15:10:12,475 INFO L87 Difference]: Start difference. First operand 517 states and 584 transitions. Second operand has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 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 15:10:13,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:13,150 INFO L93 Difference]: Finished difference Result 518 states and 584 transitions. [2025-03-17 15:10:13,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2025-03-17 15:10:13,150 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 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 248 [2025-03-17 15:10:13,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:13,152 INFO L225 Difference]: With dead ends: 518 [2025-03-17 15:10:13,152 INFO L226 Difference]: Without dead ends: 517 [2025-03-17 15:10:13,152 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 329 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=185, Unknown=0, NotChecked=0, Total=240 [2025-03-17 15:10:13,152 INFO L435 NwaCegarLoop]: 180 mSDtfsCounter, 58 mSDsluCounter, 352 mSDsCounter, 0 mSdLazyCounter, 1885 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 532 SdHoareTripleChecker+Invalid, 1888 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1885 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:13,152 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 532 Invalid, 1888 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1885 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:10:13,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2025-03-17 15:10:13,167 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2025-03-17 15:10:13,168 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 15:10:13,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 583 transitions. [2025-03-17 15:10:13,168 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 583 transitions. Word has length 248 [2025-03-17 15:10:13,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:13,169 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 583 transitions. [2025-03-17 15:10:13,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 19.0) internal successors, (171), 10 states have internal predecessors, (171), 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 15:10:13,169 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 583 transitions. [2025-03-17 15:10:13,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2025-03-17 15:10:13,170 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:13,170 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 15:10:13,176 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 15:10:13,370 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 15:10:13,370 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr73ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:13,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:13,370 INFO L85 PathProgramCache]: Analyzing trace with hash 44079799, now seen corresponding path program 2 times [2025-03-17 15:10:13,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:13,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1835000192] [2025-03-17 15:10:13,371 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:13,371 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:13,376 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-03-17 15:10:13,387 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-03-17 15:10:13,388 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:13,388 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:13,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [654954202] [2025-03-17 15:10:13,389 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:13,389 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:13,390 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:13,391 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 15:10:13,393 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 15:10:13,420 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 251 statements into 2 equivalence classes. [2025-03-17 15:10:13,457 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 251 of 251 statements. [2025-03-17 15:10:13,457 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:13,457 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:13,460 INFO L256 TraceCheckSpWp]: Trace formula consists of 364 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:10:13,462 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:13,934 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 15:10:13,934 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:14,107 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:14,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1835000192] [2025-03-17 15:10:14,107 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:14,107 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [654954202] [2025-03-17 15:10:14,107 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [654954202] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:14,107 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:14,107 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2025-03-17 15:10:14,107 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417501503] [2025-03-17 15:10:14,107 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:14,108 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2025-03-17 15:10:14,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:14,110 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2025-03-17 15:10:14,110 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:14,110 INFO L87 Difference]: Start difference. First operand 517 states and 583 transitions. Second operand has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 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 15:10:15,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:15,410 INFO L93 Difference]: Finished difference Result 517 states and 583 transitions. [2025-03-17 15:10:15,410 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2025-03-17 15:10:15,411 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 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 251 [2025-03-17 15:10:15,411 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:15,412 INFO L225 Difference]: With dead ends: 517 [2025-03-17 15:10:15,412 INFO L226 Difference]: Without dead ends: 515 [2025-03-17 15:10:15,412 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 266 GetRequests, 250 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=95, Invalid=211, Unknown=0, NotChecked=0, Total=306 [2025-03-17 15:10:15,413 INFO L435 NwaCegarLoop]: 46 mSDtfsCounter, 488 mSDsluCounter, 120 mSDsCounter, 0 mSdLazyCounter, 1129 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 488 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 1165 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1129 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:15,413 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [488 Valid, 166 Invalid, 1165 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1129 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2025-03-17 15:10:15,413 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-03-17 15:10:15,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-03-17 15:10:15,429 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 15:10:15,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 579 transitions. [2025-03-17 15:10:15,429 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 579 transitions. Word has length 251 [2025-03-17 15:10:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:15,430 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 579 transitions. [2025-03-17 15:10:15,430 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 24.857142857142858) internal successors, (174), 8 states have internal predecessors, (174), 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 15:10:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 579 transitions. [2025-03-17 15:10:15,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2025-03-17 15:10:15,430 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:15,431 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 15:10:15,437 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2025-03-17 15:10:15,635 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 15:10:15,635 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr72ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:15,635 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:15,635 INFO L85 PathProgramCache]: Analyzing trace with hash 1366473889, now seen corresponding path program 1 times [2025-03-17 15:10:15,635 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:15,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1535943072] [2025-03-17 15:10:15,635 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:15,641 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-03-17 15:10:15,651 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-03-17 15:10:15,651 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,651 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:15,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031735424] [2025-03-17 15:10:15,652 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:15,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:15,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:15,654 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 15:10:15,655 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 15:10:15,680 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 252 statements into 1 equivalence classes. [2025-03-17 15:10:15,706 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 252 of 252 statements. [2025-03-17 15:10:15,706 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:15,706 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:15,707 INFO L256 TraceCheckSpWp]: Trace formula consists of 365 conjuncts, 21 conjuncts are in the unsatisfiable core [2025-03-17 15:10:15,710 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:16,336 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 15:10:16,336 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:16,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:16,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1535943072] [2025-03-17 15:10:16,434 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:16,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031735424] [2025-03-17 15:10:16,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031735424] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:16,434 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2025-03-17 15:10:16,434 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2025-03-17 15:10:16,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1916630680] [2025-03-17 15:10:16,434 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:16,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2025-03-17 15:10:16,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:16,435 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2025-03-17 15:10:16,435 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=120, Unknown=0, NotChecked=0, Total=156 [2025-03-17 15:10:16,435 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 15:10:17,108 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:17,108 INFO L93 Difference]: Finished difference Result 518 states and 579 transitions. [2025-03-17 15:10:17,108 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2025-03-17 15:10:17,109 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 15:10:17,109 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:17,110 INFO L225 Difference]: With dead ends: 518 [2025-03-17 15:10:17,110 INFO L226 Difference]: Without dead ends: 515 [2025-03-17 15:10:17,110 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 15:10:17,111 INFO L435 NwaCegarLoop]: 155 mSDtfsCounter, 54 mSDsluCounter, 265 mSDsCounter, 0 mSdLazyCounter, 2162 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 54 SdHoareTripleChecker+Valid, 420 SdHoareTripleChecker+Invalid, 2167 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 2162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:17,111 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [54 Valid, 420 Invalid, 2167 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 2162 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2025-03-17 15:10:17,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 515 states. [2025-03-17 15:10:17,126 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 515 to 515. [2025-03-17 15:10:17,127 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 15:10:17,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 515 states to 515 states and 576 transitions. [2025-03-17 15:10:17,127 INFO L78 Accepts]: Start accepts. Automaton has 515 states and 576 transitions. Word has length 252 [2025-03-17 15:10:17,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:17,127 INFO L471 AbstractCegarLoop]: Abstraction has 515 states and 576 transitions. [2025-03-17 15:10:17,128 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 15:10:17,128 INFO L276 IsEmpty]: Start isEmpty. Operand 515 states and 576 transitions. [2025-03-17 15:10:17,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2025-03-17 15:10:17,128 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:17,128 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 15:10:17,135 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:17,329 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 15:10:17,329 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr126ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:17,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:17,329 INFO L85 PathProgramCache]: Analyzing trace with hash -700640996, now seen corresponding path program 1 times [2025-03-17 15:10:17,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:17,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919594836] [2025-03-17 15:10:17,330 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:17,330 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:17,335 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-03-17 15:10:17,350 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-03-17 15:10:17,350 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:17,350 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:17,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1603668823] [2025-03-17 15:10:17,351 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:17,351 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:17,351 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:17,353 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 15:10:17,354 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 15:10:17,384 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 260 statements into 1 equivalence classes. [2025-03-17 15:10:17,416 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 260 of 260 statements. [2025-03-17 15:10:17,416 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:17,416 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:17,418 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 9 conjuncts are in the unsatisfiable core [2025-03-17 15:10:17,420 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:17,567 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 15:10:17,567 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:17,819 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 15:10:17,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919594836] [2025-03-17 15:10:17,819 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2025-03-17 15:10:17,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1603668823] [2025-03-17 15:10:17,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1603668823] provided 0 perfect and 2 imperfect interpolant sequences [2025-03-17 15:10:17,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:10:17,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2025-03-17 15:10:17,819 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1875675813] [2025-03-17 15:10:17,819 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:17,819 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2025-03-17 15:10:17,819 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:17,820 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2025-03-17 15:10:17,820 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2025-03-17 15:10:17,820 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 15:10:18,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:18,055 INFO L93 Difference]: Finished difference Result 660 states and 705 transitions. [2025-03-17 15:10:18,056 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2025-03-17 15:10:18,056 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 15:10:18,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:18,057 INFO L225 Difference]: With dead ends: 660 [2025-03-17 15:10:18,058 INFO L226 Difference]: Without dead ends: 658 [2025-03-17 15:10:18,058 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 520 GetRequests, 510 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=53, Invalid=79, Unknown=0, NotChecked=0, Total=132 [2025-03-17 15:10:18,058 INFO L435 NwaCegarLoop]: 353 mSDtfsCounter, 979 mSDsluCounter, 1142 mSDsCounter, 0 mSdLazyCounter, 495 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 990 SdHoareTripleChecker+Valid, 1495 SdHoareTripleChecker+Invalid, 532 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 495 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:18,058 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [990 Valid, 1495 Invalid, 532 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 495 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2025-03-17 15:10:18,059 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 658 states. [2025-03-17 15:10:18,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 658 to 514. [2025-03-17 15:10:18,075 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 15:10:18,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 572 transitions. [2025-03-17 15:10:18,076 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 572 transitions. Word has length 260 [2025-03-17 15:10:18,076 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:18,076 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 572 transitions. [2025-03-17 15:10:18,076 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 15:10:18,076 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 572 transitions. [2025-03-17 15:10:18,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2025-03-17 15:10:18,077 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:18,077 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 15:10:18,084 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Ended with exit code 0 [2025-03-17 15:10:18,278 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:18,278 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:18,278 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:18,278 INFO L85 PathProgramCache]: Analyzing trace with hash -83864993, now seen corresponding path program 1 times [2025-03-17 15:10:18,278 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:18,278 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1233498888] [2025-03-17 15:10:18,279 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2025-03-17 15:10:18,279 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:18,284 INFO L108 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY partitioned 274 statements into 1 equivalence classes. [2025-03-17 15:10:18,290 INFO L111 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) and asserted 274 of 274 statements. [2025-03-17 15:10:18,291 INFO L114 AnnotateAndAsserter]: Assert order NOT_INCREMENTALLY issued 1 check-sat command(s) [2025-03-17 15:10:18,291 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:18,371 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 15:10:18,371 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:18,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1233498888] [2025-03-17 15:10:18,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1233498888] provided 1 perfect and 0 imperfect interpolant sequences [2025-03-17 15:10:18,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2025-03-17 15:10:18,372 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2025-03-17 15:10:18,372 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1230763570] [2025-03-17 15:10:18,372 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2025-03-17 15:10:18,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2025-03-17 15:10:18,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:18,372 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2025-03-17 15:10:18,372 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2025-03-17 15:10:18,372 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 15:10:18,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:18,736 INFO L93 Difference]: Finished difference Result 514 states and 572 transitions. [2025-03-17 15:10:18,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2025-03-17 15:10:18,736 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 15:10:18,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:18,738 INFO L225 Difference]: With dead ends: 514 [2025-03-17 15:10:18,738 INFO L226 Difference]: Without dead ends: 512 [2025-03-17 15:10:18,738 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 15:10:18,738 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 15:10:18,738 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 15:10:18,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2025-03-17 15:10:18,756 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 512. [2025-03-17 15:10:18,756 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 15:10:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 512 states and 568 transitions. [2025-03-17 15:10:18,757 INFO L78 Accepts]: Start accepts. Automaton has 512 states and 568 transitions. Word has length 274 [2025-03-17 15:10:18,757 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:18,757 INFO L471 AbstractCegarLoop]: Abstraction has 512 states and 568 transitions. [2025-03-17 15:10:18,757 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 15:10:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 568 transitions. [2025-03-17 15:10:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2025-03-17 15:10:18,758 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:18,758 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 15:10:18,758 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable41 [2025-03-17 15:10:18,758 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:18,758 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:18,759 INFO L85 PathProgramCache]: Analyzing trace with hash 1695152596, now seen corresponding path program 2 times [2025-03-17 15:10:18,759 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:18,759 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1781880005] [2025-03-17 15:10:18,759 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:18,759 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:18,765 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 275 statements into 2 equivalence classes. [2025-03-17 15:10:18,773 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 275 of 275 statements. [2025-03-17 15:10:18,773 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:18,773 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:18,936 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 15:10:18,936 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2025-03-17 15:10:18,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1781880005] [2025-03-17 15:10:18,936 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1781880005] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:18,936 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [775070703] [2025-03-17 15:10:18,936 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2025-03-17 15:10:18,936 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:18,936 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:18,938 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 15:10:18,939 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 15:10:18,969 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 partitioned 275 statements into 2 equivalence classes. [2025-03-17 15:10:18,998 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) and asserted 275 of 275 statements. [2025-03-17 15:10:18,998 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2025-03-17 15:10:18,999 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:18,999 INFO L256 TraceCheckSpWp]: Trace formula consists of 392 conjuncts, 10 conjuncts are in the unsatisfiable core [2025-03-17 15:10:19,002 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2025-03-17 15:10:19,455 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 15:10:19,455 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2025-03-17 15:10:20,559 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [775070703] provided 0 perfect and 1 imperfect interpolant sequences [2025-03-17 15:10:20,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2025-03-17 15:10:20,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8] total 15 [2025-03-17 15:10:20,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [446840928] [2025-03-17 15:10:20,559 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2025-03-17 15:10:20,560 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2025-03-17 15:10:20,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2025-03-17 15:10:20,560 INFO L144 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2025-03-17 15:10:20,560 INFO L146 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=353, Unknown=0, NotChecked=0, Total=420 [2025-03-17 15:10:20,561 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 15:10:22,197 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2025-03-17 15:10:22,197 INFO L93 Difference]: Finished difference Result 512 states and 568 transitions. [2025-03-17 15:10:22,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2025-03-17 15:10:22,197 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 15:10:22,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2025-03-17 15:10:22,199 INFO L225 Difference]: With dead ends: 512 [2025-03-17 15:10:22,199 INFO L226 Difference]: Without dead ends: 476 [2025-03-17 15:10:22,199 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 385 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 191 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=179, Invalid=751, Unknown=0, NotChecked=0, Total=930 [2025-03-17 15:10:22,199 INFO L435 NwaCegarLoop]: 61 mSDtfsCounter, 551 mSDsluCounter, 300 mSDsCounter, 0 mSdLazyCounter, 2153 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 551 SdHoareTripleChecker+Valid, 361 SdHoareTripleChecker+Invalid, 2193 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 2153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2025-03-17 15:10:22,199 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [551 Valid, 361 Invalid, 2193 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [40 Valid, 2153 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2025-03-17 15:10:22,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 476 states. [2025-03-17 15:10:22,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 476 to 476. [2025-03-17 15:10:22,216 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 15:10:22,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 476 states to 476 states and 528 transitions. [2025-03-17 15:10:22,216 INFO L78 Accepts]: Start accepts. Automaton has 476 states and 528 transitions. Word has length 275 [2025-03-17 15:10:22,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2025-03-17 15:10:22,217 INFO L471 AbstractCegarLoop]: Abstraction has 476 states and 528 transitions. [2025-03-17 15:10:22,217 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 15:10:22,217 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 528 transitions. [2025-03-17 15:10:22,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2025-03-17 15:10:22,219 INFO L210 NwaCegarLoop]: Found error trace [2025-03-17 15:10:22,219 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 15:10:22,225 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2025-03-17 15:10:22,419 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:22,419 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr118ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 135 more)] === [2025-03-17 15:10:22,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2025-03-17 15:10:22,420 INFO L85 PathProgramCache]: Analyzing trace with hash -521635464, now seen corresponding path program 3 times [2025-03-17 15:10:22,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2025-03-17 15:10:22,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1464561400] [2025-03-17 15:10:22,420 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:10:22,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2025-03-17 15:10:22,426 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 278 statements into 8 equivalence classes. [2025-03-17 15:10:22,451 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) and asserted 278 of 278 statements. [2025-03-17 15:10:22,451 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 8 check-sat command(s) [2025-03-17 15:10:22,451 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unknown [2025-03-17 15:10:22,454 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2060852106] [2025-03-17 15:10:22,454 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2025-03-17 15:10:22,454 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2025-03-17 15:10:22,454 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2025-03-17 15:10:22,456 INFO L229 MonitoredProcess]: Starting monitored process 31 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2025-03-17 15:10:22,457 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2025-03-17 15:10:22,496 INFO L108 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 partitioned 278 statements into 8 equivalence classes. [2025-03-17 15:10:22,527 INFO L111 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) and asserted 91 of 278 statements. [2025-03-17 15:10:22,527 INFO L114 AnnotateAndAsserter]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2025-03-17 15:10:22,527 INFO L115 AnnotateAndAsserter]: Conjunction of SSA is unsat [2025-03-17 15:10:22,528 INFO L256 TraceCheckSpWp]: Trace formula consists of 164 conjuncts, 29 conjuncts are in the unsatisfiable core [2025-03-17 15:10:22,530 INFO L279 TraceCheckSpWp]: Computing forward predicates...