./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/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_1.5.800.v20200727-1323.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/egcd-ll_unwindbound20.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 4aef2940f6d326843487f003443fc222e2136d386047f492f8bd5c7e21afc8f5 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:23:59,255 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:23:59,319 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:23:59,325 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:23:59,337 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:23:59,374 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:23:59,374 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:23:59,375 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:23:59,376 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:23:59,377 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:23:59,378 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:23:59,378 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:23:59,379 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:23:59,379 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:23:59,380 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:23:59,380 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:23:59,382 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:23:59,382 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:23:59,382 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:23:59,382 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:23:59,382 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:23:59,383 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:23:59,383 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:23:59,383 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:23:59,384 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:23:59,384 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:23:59,384 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:23:59,384 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:23:59,385 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:23:59,385 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:23:59,385 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:23:59,385 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:23:59,385 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:23:59,386 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:23:59,386 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:23:59,389 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:23:59,390 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:23:59,390 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:23:59,391 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:23:59,391 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:23:59,391 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:23:59,392 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:23:59,392 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:23:59,392 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:23:59,392 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4aef2940f6d326843487f003443fc222e2136d386047f492f8bd5c7e21afc8f5 [2024-11-17 04:23:59,634 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:23:59,661 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:23:59,664 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:23:59,666 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:23:59,666 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:23:59,668 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c [2024-11-17 04:24:01,078 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:24:01,266 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:24:01,267 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/egcd-ll_unwindbound20.c [2024-11-17 04:24:01,279 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/611ede96b/833e8a009f934759912b1d4f2732731a/FLAGa904a447c [2024-11-17 04:24:01,303 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/611ede96b/833e8a009f934759912b1d4f2732731a [2024-11-17 04:24:01,305 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:24:01,306 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:24:01,308 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:24:01,308 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:24:01,313 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:24:01,314 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,315 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79f587b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01, skipping insertion in model container [2024-11-17 04:24:01,315 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,333 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:24:01,519 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:24:01,527 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:24:01,546 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:24:01,562 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:24:01,562 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01 WrapperNode [2024-11-17 04:24:01,563 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:24:01,564 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:24:01,564 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:24:01,564 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:24:01,571 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,582 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,612 INFO L138 Inliner]: procedures = 14, calls = 17, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 123 [2024-11-17 04:24:01,613 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:24:01,613 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:24:01,613 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:24:01,614 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:24:01,625 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,625 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,627 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,645 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]. [2024-11-17 04:24:01,645 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,645 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,652 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,652 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,653 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,654 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,659 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:24:01,660 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:24:01,660 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:24:01,661 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:24:01,662 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (1/1) ... [2024-11-17 04:24:01,673 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:24:01,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:01,694 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) [2024-11-17 04:24:01,700 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 [2024-11-17 04:24:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:24:01,736 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:24:01,736 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:24:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:24:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:24:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:24:01,737 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:24:01,737 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:24:01,794 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:24:01,796 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:24:02,288 INFO L? ?]: Removed 159 outVars from TransFormulas that were not future-live. [2024-11-17 04:24:02,290 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:24:02,307 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:24:02,308 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:24:02,309 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:24:02 BoogieIcfgContainer [2024-11-17 04:24:02,309 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:24:02,312 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:24:02,312 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:24:02,316 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:24:02,317 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:24:01" (1/3) ... [2024-11-17 04:24:02,317 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721e430c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:24:02, skipping insertion in model container [2024-11-17 04:24:02,318 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:24:01" (2/3) ... [2024-11-17 04:24:02,319 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@721e430c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:24:02, skipping insertion in model container [2024-11-17 04:24:02,319 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:24:02" (3/3) ... [2024-11-17 04:24:02,320 INFO L112 eAbstractionObserver]: Analyzing ICFG egcd-ll_unwindbound20.c [2024-11-17 04:24:02,337 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:24:02,338 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 58 error locations. [2024-11-17 04:24:02,405 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:24:02,412 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;@5aa83e39, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:24:02,412 INFO L334 AbstractCegarLoop]: Starting to check reachability of 58 error locations. [2024-11-17 04:24:02,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 153 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 141 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-17 04:24:02,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:24:02,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:02,426 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:02,427 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:02,433 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:02,433 INFO L85 PathProgramCache]: Analyzing trace with hash 373124208, now seen corresponding path program 1 times [2024-11-17 04:24:02,443 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:02,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1713226542] [2024-11-17 04:24:02,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:02,444 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:02,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:02,618 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:02,627 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:02,628 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:02,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1713226542] [2024-11-17 04:24:02,629 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1713226542] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:02,629 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:02,630 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:02,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [477733493] [2024-11-17 04:24:02,633 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:02,637 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:24:02,638 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:02,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:24:02,662 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:24:02,665 INFO L87 Difference]: Start difference. First operand has 153 states, 83 states have (on average 1.7710843373493976) internal successors, (147), 141 states have internal predecessors, (147), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:24:02,702 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:02,702 INFO L93 Difference]: Finished difference Result 302 states and 334 transitions. [2024-11-17 04:24:02,704 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:24:02,705 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) Word has length 15 [2024-11-17 04:24:02,705 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:02,714 INFO L225 Difference]: With dead ends: 302 [2024-11-17 04:24:02,715 INFO L226 Difference]: Without dead ends: 146 [2024-11-17 04:24:02,719 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:24:02,724 INFO L432 NwaCegarLoop]: 161 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, 161 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 [2024-11-17 04:24:02,725 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:02,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 146 states. [2024-11-17 04:24:02,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 146 to 146. [2024-11-17 04:24:02,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 78 states have (on average 1.7692307692307692) internal successors, (138), 135 states have internal predecessors, (138), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:24:02,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 154 transitions. [2024-11-17 04:24:02,796 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 154 transitions. Word has length 15 [2024-11-17 04:24:02,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:02,796 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 154 transitions. [2024-11-17 04:24:02,796 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 states have internal predecessors, (8), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:24:02,796 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 154 transitions. [2024-11-17 04:24:02,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:24:02,797 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:02,798 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:02,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:24:02,798 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:02,800 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:02,800 INFO L85 PathProgramCache]: Analyzing trace with hash -1395198000, now seen corresponding path program 1 times [2024-11-17 04:24:02,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:02,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [466736239] [2024-11-17 04:24:02,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:02,802 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:02,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:02,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:02,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:02,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:02,994 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:02,994 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:02,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [466736239] [2024-11-17 04:24:02,995 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [466736239] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:02,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:02,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:02,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [933605027] [2024-11-17 04:24:02,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:02,997 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:02,997 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:03,001 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:03,002 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:03,002 INFO L87 Difference]: Start difference. First operand 146 states and 154 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:03,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:03,078 INFO L93 Difference]: Finished difference Result 212 states and 222 transitions. [2024-11-17 04:24:03,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:24:03,083 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 15 [2024-11-17 04:24:03,083 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:03,084 INFO L225 Difference]: With dead ends: 212 [2024-11-17 04:24:03,084 INFO L226 Difference]: Without dead ends: 151 [2024-11-17 04:24:03,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:24:03,086 INFO L432 NwaCegarLoop]: 149 mSDtfsCounter, 11 mSDsluCounter, 286 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 435 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:03,089 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 435 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:03,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-17 04:24:03,102 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 151. [2024-11-17 04:24:03,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 151 states, 83 states have (on average 1.7228915662650603) internal successors, (143), 140 states have internal predecessors, (143), 8 states have call successors, (8), 2 states have call predecessors, (8), 2 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-17 04:24:03,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 151 states and 159 transitions. [2024-11-17 04:24:03,105 INFO L78 Accepts]: Start accepts. Automaton has 151 states and 159 transitions. Word has length 15 [2024-11-17 04:24:03,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:03,106 INFO L471 AbstractCegarLoop]: Abstraction has 151 states and 159 transitions. [2024-11-17 04:24:03,106 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:03,106 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 159 transitions. [2024-11-17 04:24:03,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:24:03,107 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:03,107 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:03,107 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:24:03,107 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:03,108 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:03,108 INFO L85 PathProgramCache]: Analyzing trace with hash -165159412, now seen corresponding path program 1 times [2024-11-17 04:24:03,108 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:03,108 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [379831117] [2024-11-17 04:24:03,108 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:03,109 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:03,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:03,125 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1916189133] [2024-11-17 04:24:03,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:03,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:03,126 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:03,127 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) [2024-11-17 04:24:03,130 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:24:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,188 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:24:03,193 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:03,249 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:03,249 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:03,249 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [379831117] [2024-11-17 04:24:03,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:03,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1916189133] [2024-11-17 04:24:03,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1916189133] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:03,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:03,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:03,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107224622] [2024-11-17 04:24:03,251 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:03,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:03,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:03,252 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:03,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:03,253 INFO L87 Difference]: Start difference. First operand 151 states and 159 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:03,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:03,631 INFO L93 Difference]: Finished difference Result 240 states and 287 transitions. [2024-11-17 04:24:03,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:03,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 19 [2024-11-17 04:24:03,632 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:03,634 INFO L225 Difference]: With dead ends: 240 [2024-11-17 04:24:03,634 INFO L226 Difference]: Without dead ends: 236 [2024-11-17 04:24:03,634 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:03,638 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 78 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 157 SdHoareTripleChecker+Invalid, 153 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:03,639 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 157 Invalid, 153 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:03,640 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 236 states. [2024-11-17 04:24:03,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 236 to 189. [2024-11-17 04:24:03,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 116 states have (on average 1.7672413793103448) internal successors, (205), 173 states have internal predecessors, (205), 13 states have call successors, (13), 2 states have call predecessors, (13), 2 states have return successors, (13), 13 states have call predecessors, (13), 13 states have call successors, (13) [2024-11-17 04:24:03,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 231 transitions. [2024-11-17 04:24:03,656 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 231 transitions. Word has length 19 [2024-11-17 04:24:03,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:03,657 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 231 transitions. [2024-11-17 04:24:03,657 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:03,657 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 231 transitions. [2024-11-17 04:24:03,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:24:03,658 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:03,658 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:03,674 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:24:03,858 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 [2024-11-17 04:24:03,859 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:03,859 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:03,859 INFO L85 PathProgramCache]: Analyzing trace with hash 195598154, now seen corresponding path program 1 times [2024-11-17 04:24:03,860 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:03,860 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [120436752] [2024-11-17 04:24:03,860 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:03,860 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:03,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:03,878 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1261198461] [2024-11-17 04:24:03,878 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:03,878 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:03,878 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:03,880 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) [2024-11-17 04:24:03,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:24:03,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:03,921 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:24:03,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:03,939 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:03,939 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:03,939 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:03,939 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [120436752] [2024-11-17 04:24:03,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:03,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1261198461] [2024-11-17 04:24:03,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1261198461] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:03,940 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:03,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:03,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015097294] [2024-11-17 04:24:03,940 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:03,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:03,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:03,942 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:03,942 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:03,942 INFO L87 Difference]: Start difference. First operand 189 states and 231 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:04,383 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:04,383 INFO L93 Difference]: Finished difference Result 301 states and 367 transitions. [2024-11-17 04:24:04,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:04,384 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 21 [2024-11-17 04:24:04,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:04,386 INFO L225 Difference]: With dead ends: 301 [2024-11-17 04:24:04,386 INFO L226 Difference]: Without dead ends: 293 [2024-11-17 04:24:04,387 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 19 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:04,388 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 92 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 91 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 237 SdHoareTripleChecker+Invalid, 98 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 91 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:04,388 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 237 Invalid, 98 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 91 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:04,389 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-11-17 04:24:04,416 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 249. [2024-11-17 04:24:04,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 249 states, 170 states have (on average 1.7294117647058824) internal successors, (294), 227 states have internal predecessors, (294), 19 states have call successors, (19), 2 states have call predecessors, (19), 2 states have return successors, (19), 19 states have call predecessors, (19), 19 states have call successors, (19) [2024-11-17 04:24:04,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 249 states and 332 transitions. [2024-11-17 04:24:04,422 INFO L78 Accepts]: Start accepts. Automaton has 249 states and 332 transitions. Word has length 21 [2024-11-17 04:24:04,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:04,422 INFO L471 AbstractCegarLoop]: Abstraction has 249 states and 332 transitions. [2024-11-17 04:24:04,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:04,423 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 332 transitions. [2024-11-17 04:24:04,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-11-17 04:24:04,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:04,424 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:04,438 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:04,625 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,SelfDestructingSolverStorable3 [2024-11-17 04:24:04,626 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:04,626 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:04,626 INFO L85 PathProgramCache]: Analyzing trace with hash -1008732024, now seen corresponding path program 1 times [2024-11-17 04:24:04,626 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:04,626 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1515472019] [2024-11-17 04:24:04,627 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:04,627 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:04,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:04,656 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1144640045] [2024-11-17 04:24:04,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:04,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:04,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:04,665 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) [2024-11-17 04:24:04,667 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:24:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:04,703 INFO L255 TraceCheckSpWp]: Trace formula consists of 69 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:24:04,704 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:04,796 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:04,797 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:04,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:04,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1515472019] [2024-11-17 04:24:04,797 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:04,798 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1144640045] [2024-11-17 04:24:04,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1144640045] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:04,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:04,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:04,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [139489636] [2024-11-17 04:24:04,799 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:04,799 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:04,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:04,800 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:04,800 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:04,800 INFO L87 Difference]: Start difference. First operand 249 states and 332 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:05,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:05,072 INFO L93 Difference]: Finished difference Result 287 states and 353 transitions. [2024-11-17 04:24:05,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:05,072 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 23 [2024-11-17 04:24:05,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:05,074 INFO L225 Difference]: With dead ends: 287 [2024-11-17 04:24:05,074 INFO L226 Difference]: Without dead ends: 273 [2024-11-17 04:24:05,075 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:05,075 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 69 mSDsluCounter, 58 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 75 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 178 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:05,076 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [75 Valid, 154 Invalid, 178 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:05,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-17 04:24:05,085 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 216. [2024-11-17 04:24:05,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 216 states, 142 states have (on average 1.6408450704225352) internal successors, (233), 199 states have internal predecessors, (233), 14 states have call successors, (14), 2 states have call predecessors, (14), 2 states have return successors, (14), 14 states have call predecessors, (14), 14 states have call successors, (14) [2024-11-17 04:24:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 216 states and 261 transitions. [2024-11-17 04:24:05,087 INFO L78 Accepts]: Start accepts. Automaton has 216 states and 261 transitions. Word has length 23 [2024-11-17 04:24:05,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:05,087 INFO L471 AbstractCegarLoop]: Abstraction has 216 states and 261 transitions. [2024-11-17 04:24:05,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-17 04:24:05,088 INFO L276 IsEmpty]: Start isEmpty. Operand 216 states and 261 transitions. [2024-11-17 04:24:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2024-11-17 04:24:05,088 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:05,089 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:05,104 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:24:05,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:05,293 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:05,293 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:05,293 INFO L85 PathProgramCache]: Analyzing trace with hash -745073679, now seen corresponding path program 1 times [2024-11-17 04:24:05,294 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:05,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1313314850] [2024-11-17 04:24:05,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:05,294 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:05,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:05,311 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [460144648] [2024-11-17 04:24:05,312 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:05,312 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:05,312 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:05,314 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) [2024-11-17 04:24:05,318 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:24:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:05,401 INFO L255 TraceCheckSpWp]: Trace formula consists of 80 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:24:05,402 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:05,467 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:05,471 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:05,471 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:05,471 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1313314850] [2024-11-17 04:24:05,471 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:05,472 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [460144648] [2024-11-17 04:24:05,472 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [460144648] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:05,472 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:05,472 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:05,472 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976191994] [2024-11-17 04:24:05,472 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:05,472 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:05,473 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:05,473 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:05,473 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:05,473 INFO L87 Difference]: Start difference. First operand 216 states and 261 transitions. Second operand has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:05,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:05,854 INFO L93 Difference]: Finished difference Result 393 states and 496 transitions. [2024-11-17 04:24:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:05,854 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 30 [2024-11-17 04:24:05,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:05,857 INFO L225 Difference]: With dead ends: 393 [2024-11-17 04:24:05,857 INFO L226 Difference]: Without dead ends: 385 [2024-11-17 04:24:05,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 28 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:05,858 INFO L432 NwaCegarLoop]: 139 mSDtfsCounter, 93 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 93 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 242 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 93 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:05,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 242 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 93 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:05,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-11-17 04:24:05,871 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 302. [2024-11-17 04:24:05,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.639269406392694) internal successors, (359), 276 states have internal predecessors, (359), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:05,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 405 transitions. [2024-11-17 04:24:05,873 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 405 transitions. Word has length 30 [2024-11-17 04:24:05,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:05,873 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 405 transitions. [2024-11-17 04:24:05,874 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 10.5) internal successors, (21), 3 states have internal predecessors, (21), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:05,874 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 405 transitions. [2024-11-17 04:24:05,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2024-11-17 04:24:05,874 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:05,874 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:05,891 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:24:06,078 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:06,079 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:06,079 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:06,079 INFO L85 PathProgramCache]: Analyzing trace with hash 1243735631, now seen corresponding path program 1 times [2024-11-17 04:24:06,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:06,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [274016087] [2024-11-17 04:24:06,080 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:06,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:06,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:06,102 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [188120407] [2024-11-17 04:24:06,102 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:06,102 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:06,102 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:06,108 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) [2024-11-17 04:24:06,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:24:06,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:06,153 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:06,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:06,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:06,233 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:06,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:06,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [274016087] [2024-11-17 04:24:06,234 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:06,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [188120407] [2024-11-17 04:24:06,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [188120407] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:06,234 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:06,234 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:06,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1530590496] [2024-11-17 04:24:06,235 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:06,235 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:06,235 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:06,236 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:06,236 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:06,236 INFO L87 Difference]: Start difference. First operand 302 states and 405 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:06,673 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:06,673 INFO L93 Difference]: Finished difference Result 361 states and 474 transitions. [2024-11-17 04:24:06,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:06,674 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 32 [2024-11-17 04:24:06,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:06,676 INFO L225 Difference]: With dead ends: 361 [2024-11-17 04:24:06,676 INFO L226 Difference]: Without dead ends: 359 [2024-11-17 04:24:06,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 31 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:06,677 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 192 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 203 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 207 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:06,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [203 Valid, 188 Invalid, 207 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-17 04:24:06,689 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 302. [2024-11-17 04:24:06,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.6210045662100456) internal successors, (355), 276 states have internal predecessors, (355), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:06,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 401 transitions. [2024-11-17 04:24:06,694 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 401 transitions. Word has length 32 [2024-11-17 04:24:06,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:06,695 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 401 transitions. [2024-11-17 04:24:06,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:06,695 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 401 transitions. [2024-11-17 04:24:06,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2024-11-17 04:24:06,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:06,696 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:06,712 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:24:06,896 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:06,897 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:06,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:06,897 INFO L85 PathProgramCache]: Analyzing trace with hash -98901022, now seen corresponding path program 1 times [2024-11-17 04:24:06,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:06,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [855145384] [2024-11-17 04:24:06,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:06,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:06,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:06,912 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [44176838] [2024-11-17 04:24:06,912 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:06,912 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:06,912 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:06,914 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) [2024-11-17 04:24:06,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:24:06,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:06,966 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:06,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:07,032 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:07,032 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:07,032 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:07,032 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [855145384] [2024-11-17 04:24:07,032 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:07,033 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [44176838] [2024-11-17 04:24:07,033 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [44176838] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:07,033 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:07,033 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:07,033 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [315389668] [2024-11-17 04:24:07,033 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:07,034 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:07,034 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:07,034 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:07,034 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:07,035 INFO L87 Difference]: Start difference. First operand 302 states and 401 transitions. Second operand has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:07,348 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:07,348 INFO L93 Difference]: Finished difference Result 361 states and 470 transitions. [2024-11-17 04:24:07,348 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:07,349 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 33 [2024-11-17 04:24:07,349 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:07,350 INFO L225 Difference]: With dead ends: 361 [2024-11-17 04:24:07,351 INFO L226 Difference]: Without dead ends: 359 [2024-11-17 04:24:07,351 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:07,352 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 191 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 168 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 169 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 168 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:07,352 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [202 Valid, 177 Invalid, 169 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 168 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:07,353 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 359 states. [2024-11-17 04:24:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 359 to 302. [2024-11-17 04:24:07,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 219 states have (on average 1.6027397260273972) internal successors, (351), 276 states have internal predecessors, (351), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:07,364 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 397 transitions. [2024-11-17 04:24:07,364 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 397 transitions. Word has length 33 [2024-11-17 04:24:07,365 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:07,365 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 397 transitions. [2024-11-17 04:24:07,365 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.0) internal successors, (24), 4 states have internal predecessors, (24), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:07,365 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 397 transitions. [2024-11-17 04:24:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:24:07,366 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:07,366 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:07,385 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:07,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:07,568 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:07,568 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:07,568 INFO L85 PathProgramCache]: Analyzing trace with hash 1229035693, now seen corresponding path program 1 times [2024-11-17 04:24:07,568 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:07,568 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964638856] [2024-11-17 04:24:07,569 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:07,569 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:07,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:07,583 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [787760650] [2024-11-17 04:24:07,584 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:07,584 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:07,584 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:07,586 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) [2024-11-17 04:24:07,587 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:24:07,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:07,626 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:07,627 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:07,686 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:07,687 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:07,687 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:07,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964638856] [2024-11-17 04:24:07,687 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:07,687 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [787760650] [2024-11-17 04:24:07,687 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [787760650] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:07,688 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:07,688 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:07,688 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [816561337] [2024-11-17 04:24:07,688 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:07,689 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:07,689 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:07,689 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:07,689 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:07,690 INFO L87 Difference]: Start difference. First operand 302 states and 397 transitions. Second operand has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:08,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:08,770 INFO L93 Difference]: Finished difference Result 383 states and 476 transitions. [2024-11-17 04:24:08,770 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:08,770 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 34 [2024-11-17 04:24:08,771 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:08,773 INFO L225 Difference]: With dead ends: 383 [2024-11-17 04:24:08,773 INFO L226 Difference]: Without dead ends: 381 [2024-11-17 04:24:08,773 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 31 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:08,775 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 98 mSDsluCounter, 160 mSDsCounter, 0 mSdLazyCounter, 236 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 104 SdHoareTripleChecker+Valid, 246 SdHoareTripleChecker+Invalid, 237 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 236 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:08,775 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [104 Valid, 246 Invalid, 237 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 236 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:24:08,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-17 04:24:08,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 303. [2024-11-17 04:24:08,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 303 states, 220 states have (on average 1.5863636363636364) internal successors, (349), 277 states have internal predecessors, (349), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:08,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 303 states and 395 transitions. [2024-11-17 04:24:08,799 INFO L78 Accepts]: Start accepts. Automaton has 303 states and 395 transitions. Word has length 34 [2024-11-17 04:24:08,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:08,800 INFO L471 AbstractCegarLoop]: Abstraction has 303 states and 395 transitions. [2024-11-17 04:24:08,802 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.333333333333334) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:08,803 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 395 transitions. [2024-11-17 04:24:08,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:24:08,803 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:08,804 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:08,822 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:24:09,004 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:09,005 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:09,006 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:09,006 INFO L85 PathProgramCache]: Analyzing trace with hash -554599104, now seen corresponding path program 1 times [2024-11-17 04:24:09,006 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:09,006 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209529157] [2024-11-17 04:24:09,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:09,006 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:09,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:09,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1963203729] [2024-11-17 04:24:09,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:09,037 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:09,037 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:09,040 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) [2024-11-17 04:24:09,042 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-17 04:24:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:09,087 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:09,088 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:09,176 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:24:09,176 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:09,177 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:09,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209529157] [2024-11-17 04:24:09,177 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:09,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1963203729] [2024-11-17 04:24:09,177 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1963203729] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:09,177 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:09,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:09,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [669903994] [2024-11-17 04:24:09,178 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:09,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:09,178 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:09,178 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:09,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:09,179 INFO L87 Difference]: Start difference. First operand 303 states and 395 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:10,195 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:10,195 INFO L93 Difference]: Finished difference Result 383 states and 472 transitions. [2024-11-17 04:24:10,195 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:10,196 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) Word has length 35 [2024-11-17 04:24:10,196 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:10,198 INFO L225 Difference]: With dead ends: 383 [2024-11-17 04:24:10,198 INFO L226 Difference]: Without dead ends: 381 [2024-11-17 04:24:10,198 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 34 GetRequests, 32 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:10,199 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 161 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:10,199 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 224 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:24:10,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 381 states. [2024-11-17 04:24:10,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 381 to 304. [2024-11-17 04:24:10,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 304 states, 221 states have (on average 1.5701357466063348) internal successors, (347), 278 states have internal predecessors, (347), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:10,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 393 transitions. [2024-11-17 04:24:10,213 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 393 transitions. Word has length 35 [2024-11-17 04:24:10,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:10,214 INFO L471 AbstractCegarLoop]: Abstraction has 304 states and 393 transitions. [2024-11-17 04:24:10,214 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 2 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 2 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-17 04:24:10,214 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 393 transitions. [2024-11-17 04:24:10,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:24:10,215 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:10,215 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:10,231 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:10,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-17 04:24:10,416 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr41ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:10,416 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:10,416 INFO L85 PathProgramCache]: Analyzing trace with hash 536119252, now seen corresponding path program 1 times [2024-11-17 04:24:10,417 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:10,417 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [200994935] [2024-11-17 04:24:10,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:10,417 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:10,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:10,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1517530484] [2024-11-17 04:24:10,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:10,439 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:10,439 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:10,442 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) [2024-11-17 04:24:10,448 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-17 04:24:10,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:10,488 INFO L255 TraceCheckSpWp]: Trace formula consists of 97 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:10,493 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:24:10,589 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:10,589 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:10,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [200994935] [2024-11-17 04:24:10,589 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:10,589 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1517530484] [2024-11-17 04:24:10,589 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1517530484] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:10,589 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:10,589 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:10,589 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791604821] [2024-11-17 04:24:10,589 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:10,590 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:10,590 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:10,590 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:10,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:10,591 INFO L87 Difference]: Start difference. First operand 304 states and 393 transitions. Second operand has 4 states, 3 states have (on average 9.666666666666666) internal successors, (29), 4 states have internal predecessors, (29), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:10,906 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:10,906 INFO L93 Difference]: Finished difference Result 332 states and 416 transitions. [2024-11-17 04:24:10,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:10,908 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-17 04:24:10,908 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:10,910 INFO L225 Difference]: With dead ends: 332 [2024-11-17 04:24:10,910 INFO L226 Difference]: Without dead ends: 330 [2024-11-17 04:24:10,910 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 42 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:10,911 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 240 mSDsluCounter, 75 mSDsCounter, 0 mSdLazyCounter, 138 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 250 SdHoareTripleChecker+Valid, 169 SdHoareTripleChecker+Invalid, 143 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 138 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:10,911 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [250 Valid, 169 Invalid, 143 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 138 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:10,912 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-17 04:24:10,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 305. [2024-11-17 04:24:10,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 305 states, 222 states have (on average 1.5585585585585586) internal successors, (346), 279 states have internal predecessors, (346), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:10,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 305 states to 305 states and 392 transitions. [2024-11-17 04:24:10,927 INFO L78 Accepts]: Start accepts. Automaton has 305 states and 392 transitions. Word has length 43 [2024-11-17 04:24:10,928 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:10,928 INFO L471 AbstractCegarLoop]: Abstraction has 305 states and 392 transitions. [2024-11-17 04:24:10,928 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:10,928 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 392 transitions. [2024-11-17 04:24:10,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:24:10,929 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:10,929 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:10,946 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:11,131 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:11,131 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr40ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:11,131 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:11,131 INFO L85 PathProgramCache]: Analyzing trace with hash -560172304, now seen corresponding path program 1 times [2024-11-17 04:24:11,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:11,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189756891] [2024-11-17 04:24:11,132 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,132 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:11,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:11,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1149351674] [2024-11-17 04:24:11,158 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:11,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:11,162 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) [2024-11-17 04:24:11,164 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-17 04:24:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:11,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 98 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:11,206 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:11,293 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:24:11,294 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:11,294 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:11,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189756891] [2024-11-17 04:24:11,294 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:11,294 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1149351674] [2024-11-17 04:24:11,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1149351674] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:11,295 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:11,295 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:11,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1681477087] [2024-11-17 04:24:11,296 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:11,296 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:11,296 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:11,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:11,297 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:11,297 INFO L87 Difference]: Start difference. First operand 305 states and 392 transitions. Second operand has 4 states, 3 states have (on average 10.0) internal successors, (30), 4 states have internal predecessors, (30), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:11,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:11,764 INFO L93 Difference]: Finished difference Result 332 states and 413 transitions. [2024-11-17 04:24:11,766 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:11,766 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 44 [2024-11-17 04:24:11,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:11,768 INFO L225 Difference]: With dead ends: 332 [2024-11-17 04:24:11,768 INFO L226 Difference]: Without dead ends: 330 [2024-11-17 04:24:11,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:11,769 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 176 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 158 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 186 SdHoareTripleChecker+Valid, 184 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 158 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:11,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [186 Valid, 184 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 158 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:11,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 330 states. [2024-11-17 04:24:11,778 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 330 to 306. [2024-11-17 04:24:11,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 223 states have (on average 1.547085201793722) internal successors, (345), 280 states have internal predecessors, (345), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:11,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 391 transitions. [2024-11-17 04:24:11,781 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 391 transitions. Word has length 44 [2024-11-17 04:24:11,782 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:11,782 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 391 transitions. [2024-11-17 04:24:11,782 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), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:11,782 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 391 transitions. [2024-11-17 04:24:11,783 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-11-17 04:24:11,786 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:11,786 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:11,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-17 04:24:11,990 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,SelfDestructingSolverStorable11 [2024-11-17 04:24:11,991 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:11,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:11,992 INFO L85 PathProgramCache]: Analyzing trace with hash -185472174, now seen corresponding path program 1 times [2024-11-17 04:24:11,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:11,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1231092203] [2024-11-17 04:24:11,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:11,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:12,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:12,019 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1671310005] [2024-11-17 04:24:12,019 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:12,019 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:12,019 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:12,021 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) [2024-11-17 04:24:12,026 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-17 04:24:12,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:12,066 INFO L255 TraceCheckSpWp]: Trace formula consists of 99 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:12,067 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:12,112 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:24:12,112 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:12,115 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1231092203] [2024-11-17 04:24:12,115 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:12,115 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671310005] [2024-11-17 04:24:12,115 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671310005] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:12,115 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:12,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:12,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585632355] [2024-11-17 04:24:12,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:12,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:12,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:12,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:12,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:12,117 INFO L87 Difference]: Start difference. First operand 306 states and 391 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:12,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:12,825 INFO L93 Difference]: Finished difference Result 338 states and 400 transitions. [2024-11-17 04:24:12,825 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:12,826 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 45 [2024-11-17 04:24:12,826 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:12,827 INFO L225 Difference]: With dead ends: 338 [2024-11-17 04:24:12,828 INFO L226 Difference]: Without dead ends: 336 [2024-11-17 04:24:12,828 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 44 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:12,828 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 147 mSDsluCounter, 112 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 153 SdHoareTripleChecker+Valid, 222 SdHoareTripleChecker+Invalid, 150 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:12,829 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [153 Valid, 222 Invalid, 150 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:12,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-17 04:24:12,840 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 307. [2024-11-17 04:24:12,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 307 states, 224 states have (on average 1.5357142857142858) internal successors, (344), 281 states have internal predecessors, (344), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:12,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 307 states and 390 transitions. [2024-11-17 04:24:12,843 INFO L78 Accepts]: Start accepts. Automaton has 307 states and 390 transitions. Word has length 45 [2024-11-17 04:24:12,844 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:12,844 INFO L471 AbstractCegarLoop]: Abstraction has 307 states and 390 transitions. [2024-11-17 04:24:12,844 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:12,844 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 390 transitions. [2024-11-17 04:24:12,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-17 04:24:12,845 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:12,845 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:24:12,863 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-17 04:24:13,046 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,SelfDestructingSolverStorable12 [2024-11-17 04:24:13,046 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:13,046 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:13,046 INFO L85 PathProgramCache]: Analyzing trace with hash -1454670034, now seen corresponding path program 1 times [2024-11-17 04:24:13,047 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:13,047 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1827687307] [2024-11-17 04:24:13,047 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:13,048 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:13,067 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [215735509] [2024-11-17 04:24:13,067 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:13,068 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:13,068 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:13,072 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) [2024-11-17 04:24:13,079 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-17 04:24:13,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:13,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 100 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:13,116 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:13,204 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:24:13,204 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:13,204 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:13,204 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1827687307] [2024-11-17 04:24:13,205 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:13,205 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [215735509] [2024-11-17 04:24:13,205 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [215735509] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:13,205 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:13,205 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:13,205 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013797056] [2024-11-17 04:24:13,205 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:13,206 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:13,206 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:13,206 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:13,206 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:13,206 INFO L87 Difference]: Start difference. First operand 307 states and 390 transitions. Second operand has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:14,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:14,014 INFO L93 Difference]: Finished difference Result 338 states and 397 transitions. [2024-11-17 04:24:14,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:14,014 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-17 04:24:14,014 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:14,016 INFO L225 Difference]: With dead ends: 338 [2024-11-17 04:24:14,016 INFO L226 Difference]: Without dead ends: 336 [2024-11-17 04:24:14,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:14,017 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 146 mSDsluCounter, 114 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 152 SdHoareTripleChecker+Valid, 249 SdHoareTripleChecker+Invalid, 149 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:14,017 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [152 Valid, 249 Invalid, 149 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:24:14,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 336 states. [2024-11-17 04:24:14,028 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 336 to 308. [2024-11-17 04:24:14,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 308 states, 225 states have (on average 1.5244444444444445) internal successors, (343), 282 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:14,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 389 transitions. [2024-11-17 04:24:14,033 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 389 transitions. Word has length 46 [2024-11-17 04:24:14,033 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:14,033 INFO L471 AbstractCegarLoop]: Abstraction has 308 states and 389 transitions. [2024-11-17 04:24:14,033 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.666666666666666) internal successors, (32), 4 states have internal predecessors, (32), 2 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-17 04:24:14,033 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 389 transitions. [2024-11-17 04:24:14,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-17 04:24:14,034 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:14,034 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:14,051 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-17 04:24:14,234 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,SelfDestructingSolverStorable13 [2024-11-17 04:24:14,235 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:14,236 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:14,236 INFO L85 PathProgramCache]: Analyzing trace with hash 2111006016, now seen corresponding path program 1 times [2024-11-17 04:24:14,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:14,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2033872426] [2024-11-17 04:24:14,236 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:14,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:14,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,300 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,303 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,309 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:14,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,311 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,313 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:14,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:14,316 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:14,316 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2033872426] [2024-11-17 04:24:14,316 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2033872426] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:14,316 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:14,316 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:14,317 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399827180] [2024-11-17 04:24:14,317 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:14,317 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:14,317 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:14,318 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:14,318 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:14,318 INFO L87 Difference]: Start difference. First operand 308 states and 389 transitions. Second operand has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (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) [2024-11-17 04:24:14,372 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:14,373 INFO L93 Difference]: Finished difference Result 399 states and 506 transitions. [2024-11-17 04:24:14,373 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:14,373 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (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 53 [2024-11-17 04:24:14,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:14,376 INFO L225 Difference]: With dead ends: 399 [2024-11-17 04:24:14,376 INFO L226 Difference]: Without dead ends: 397 [2024-11-17 04:24:14,376 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:14,377 INFO L432 NwaCegarLoop]: 191 mSDtfsCounter, 47 mSDsluCounter, 129 mSDsCounter, 0 mSdLazyCounter, 40 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 50 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 40 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:14,377 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [50 Valid, 320 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 40 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:14,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2024-11-17 04:24:14,390 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 310. [2024-11-17 04:24:14,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 310 states, 228 states have (on average 1.5043859649122806) internal successors, (343), 284 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 310 states and 389 transitions. [2024-11-17 04:24:14,392 INFO L78 Accepts]: Start accepts. Automaton has 310 states and 389 transitions. Word has length 53 [2024-11-17 04:24:14,392 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:14,392 INFO L471 AbstractCegarLoop]: Abstraction has 310 states and 389 transitions. [2024-11-17 04:24:14,393 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.0) internal successors, (34), 3 states have internal predecessors, (34), 1 states have call successors, (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) [2024-11-17 04:24:14,393 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 389 transitions. [2024-11-17 04:24:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-17 04:24:14,394 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:14,394 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:14,394 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-17 04:24:14,395 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr24ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:14,395 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:14,395 INFO L85 PathProgramCache]: Analyzing trace with hash 1016677081, now seen corresponding path program 1 times [2024-11-17 04:24:14,395 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:14,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1941817315] [2024-11-17 04:24:14,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:14,395 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,450 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,455 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:14,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,461 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,464 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:14,465 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:14,465 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1941817315] [2024-11-17 04:24:14,465 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1941817315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:14,465 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:14,465 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:14,465 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743101996] [2024-11-17 04:24:14,465 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:14,466 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:14,466 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:14,466 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:14,466 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:14,467 INFO L87 Difference]: Start difference. First operand 310 states and 389 transitions. Second operand has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-17 04:24:14,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:14,515 INFO L93 Difference]: Finished difference Result 398 states and 500 transitions. [2024-11-17 04:24:14,538 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:14,539 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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 54 [2024-11-17 04:24:14,539 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:14,540 INFO L225 Difference]: With dead ends: 398 [2024-11-17 04:24:14,540 INFO L226 Difference]: Without dead ends: 396 [2024-11-17 04:24:14,540 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:14,541 INFO L432 NwaCegarLoop]: 179 mSDtfsCounter, 46 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 307 SdHoareTripleChecker+Invalid, 38 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:14,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 307 Invalid, 38 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:14,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 396 states. [2024-11-17 04:24:14,560 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 396 to 312. [2024-11-17 04:24:14,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 312 states, 231 states have (on average 1.4761904761904763) internal successors, (341), 286 states have internal predecessors, (341), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:14,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 312 states and 387 transitions. [2024-11-17 04:24:14,562 INFO L78 Accepts]: Start accepts. Automaton has 312 states and 387 transitions. Word has length 54 [2024-11-17 04:24:14,563 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:14,563 INFO L471 AbstractCegarLoop]: Abstraction has 312 states and 387 transitions. [2024-11-17 04:24:14,564 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 17.5) internal successors, (35), 3 states have internal predecessors, (35), 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) [2024-11-17 04:24:14,564 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 387 transitions. [2024-11-17 04:24:14,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 04:24:14,564 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:14,565 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:14,565 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-17 04:24:14,565 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:14,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:14,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1452279549, now seen corresponding path program 1 times [2024-11-17 04:24:14,566 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:14,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1474465003] [2024-11-17 04:24:14,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:14,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,637 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:14,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,644 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:14,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,650 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:14,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,654 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:14,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:14,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:14,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:14,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1474465003] [2024-11-17 04:24:14,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1474465003] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:14,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:14,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:14,664 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [53323594] [2024-11-17 04:24:14,664 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:14,665 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:14,665 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:14,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:14,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:14,666 INFO L87 Difference]: Start difference. First operand 312 states and 387 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:15,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:15,490 INFO L93 Difference]: Finished difference Result 400 states and 496 transitions. [2024-11-17 04:24:15,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:24:15,490 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-17 04:24:15,490 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:15,492 INFO L225 Difference]: With dead ends: 400 [2024-11-17 04:24:15,492 INFO L226 Difference]: Without dead ends: 399 [2024-11-17 04:24:15,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:24:15,493 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 189 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 203 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 195 SdHoareTripleChecker+Valid, 201 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 203 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:15,493 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [195 Valid, 201 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 203 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-11-17 04:24:15,494 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 399 states. [2024-11-17 04:24:15,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 399 to 314. [2024-11-17 04:24:15,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 233 states have (on average 1.4721030042918455) internal successors, (343), 288 states have internal predecessors, (343), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:15,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 389 transitions. [2024-11-17 04:24:15,506 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 389 transitions. Word has length 55 [2024-11-17 04:24:15,506 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:15,506 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 389 transitions. [2024-11-17 04:24:15,506 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 389 transitions. [2024-11-17 04:24:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-17 04:24:15,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:15,507 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:15,507 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-17 04:24:15,507 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:15,508 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:15,508 INFO L85 PathProgramCache]: Analyzing trace with hash 1452280990, now seen corresponding path program 1 times [2024-11-17 04:24:15,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:15,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1607308797] [2024-11-17 04:24:15,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:15,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:15,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:15,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:15,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:15,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:15,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:15,603 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:15,603 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:15,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1607308797] [2024-11-17 04:24:15,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1607308797] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:15,603 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:15,604 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:15,604 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399330532] [2024-11-17 04:24:15,604 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:15,604 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:15,604 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:15,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:15,605 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:15,605 INFO L87 Difference]: Start difference. First operand 314 states and 389 transitions. Second operand has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:16,363 INFO L93 Difference]: Finished difference Result 399 states and 494 transitions. [2024-11-17 04:24:16,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:24:16,363 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 55 [2024-11-17 04:24:16,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:16,364 INFO L225 Difference]: With dead ends: 399 [2024-11-17 04:24:16,365 INFO L226 Difference]: Without dead ends: 398 [2024-11-17 04:24:16,365 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:24:16,365 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 190 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 216 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 225 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 216 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:16,366 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 190 Invalid, 225 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 216 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:16,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 398 states. [2024-11-17 04:24:16,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 398 to 314. [2024-11-17 04:24:16,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 314 states, 233 states have (on average 1.4678111587982832) internal successors, (342), 288 states have internal predecessors, (342), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:16,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 314 states and 388 transitions. [2024-11-17 04:24:16,380 INFO L78 Accepts]: Start accepts. Automaton has 314 states and 388 transitions. Word has length 55 [2024-11-17 04:24:16,380 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:16,380 INFO L471 AbstractCegarLoop]: Abstraction has 314 states and 388 transitions. [2024-11-17 04:24:16,381 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 12.0) internal successors, (36), 4 states have internal predecessors, (36), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,381 INFO L276 IsEmpty]: Start isEmpty. Operand 314 states and 388 transitions. [2024-11-17 04:24:16,381 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-11-17 04:24:16,381 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:16,381 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:16,381 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2024-11-17 04:24:16,382 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:16,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:16,382 INFO L85 PathProgramCache]: Analyzing trace with hash 846511398, now seen corresponding path program 1 times [2024-11-17 04:24:16,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:16,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [967561639] [2024-11-17 04:24:16,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:16,382 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,447 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:16,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,458 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:16,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,462 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,469 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,473 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:16,473 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:16,474 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [967561639] [2024-11-17 04:24:16,474 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [967561639] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:16,474 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:16,474 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:24:16,474 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103026622] [2024-11-17 04:24:16,474 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:16,474 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:24:16,474 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:16,475 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:24:16,475 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:16,475 INFO L87 Difference]: Start difference. First operand 314 states and 388 transitions. Second operand has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:16,645 INFO L93 Difference]: Finished difference Result 381 states and 462 transitions. [2024-11-17 04:24:16,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:16,645 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 60 [2024-11-17 04:24:16,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:16,647 INFO L225 Difference]: With dead ends: 381 [2024-11-17 04:24:16,647 INFO L226 Difference]: Without dead ends: 377 [2024-11-17 04:24:16,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:24:16,648 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 52 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 141 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 141 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:16,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 179 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 141 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:16,649 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-17 04:24:16,660 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 328. [2024-11-17 04:24:16,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 328 states, 247 states have (on average 1.4453441295546559) internal successors, (357), 302 states have internal predecessors, (357), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:16,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 328 states to 328 states and 403 transitions. [2024-11-17 04:24:16,662 INFO L78 Accepts]: Start accepts. Automaton has 328 states and 403 transitions. Word has length 60 [2024-11-17 04:24:16,663 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:16,663 INFO L471 AbstractCegarLoop]: Abstraction has 328 states and 403 transitions. [2024-11-17 04:24:16,663 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 20.5) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,663 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 403 transitions. [2024-11-17 04:24:16,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-17 04:24:16,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:16,664 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:16,664 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-17 04:24:16,664 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr57ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:16,665 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:16,665 INFO L85 PathProgramCache]: Analyzing trace with hash 1106499523, now seen corresponding path program 1 times [2024-11-17 04:24:16,665 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:16,665 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [445143808] [2024-11-17 04:24:16,665 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:16,665 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:16,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:16,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,766 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:16,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:16,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:16,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:16,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,779 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:16,779 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:16,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [445143808] [2024-11-17 04:24:16,779 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [445143808] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:16,779 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39263688] [2024-11-17 04:24:16,779 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:16,779 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:16,779 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:16,781 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) [2024-11-17 04:24:16,782 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-17 04:24:16,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:16,824 INFO L255 TraceCheckSpWp]: Trace formula consists of 126 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:16,825 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:16,904 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:16,905 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:16,905 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39263688] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:16,905 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:16,905 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:24:16,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [28103141] [2024-11-17 04:24:16,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:16,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:24:16,906 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:16,906 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:24:16,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:16,907 INFO L87 Difference]: Start difference. First operand 328 states and 403 transitions. Second operand has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,935 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:16,935 INFO L93 Difference]: Finished difference Result 328 states and 403 transitions. [2024-11-17 04:24:16,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:16,936 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 64 [2024-11-17 04:24:16,936 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:16,937 INFO L225 Difference]: With dead ends: 328 [2024-11-17 04:24:16,938 INFO L226 Difference]: Without dead ends: 327 [2024-11-17 04:24:16,938 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:24:16,938 INFO L432 NwaCegarLoop]: 144 mSDtfsCounter, 114 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 114 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:16,939 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [114 Valid, 287 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:16,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 327 states. [2024-11-17 04:24:16,952 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 327 to 327. [2024-11-17 04:24:16,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 327 states, 247 states have (on average 1.4331983805668016) internal successors, (354), 301 states have internal predecessors, (354), 23 states have call successors, (23), 2 states have call predecessors, (23), 2 states have return successors, (23), 23 states have call predecessors, (23), 23 states have call successors, (23) [2024-11-17 04:24:16,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 400 transitions. [2024-11-17 04:24:16,954 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 400 transitions. Word has length 64 [2024-11-17 04:24:16,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:16,954 INFO L471 AbstractCegarLoop]: Abstraction has 327 states and 400 transitions. [2024-11-17 04:24:16,955 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.25) internal successors, (45), 5 states have internal predecessors, (45), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:16,955 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 400 transitions. [2024-11-17 04:24:16,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2024-11-17 04:24:16,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:16,956 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:16,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-17 04:24:17,156 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable19 [2024-11-17 04:24:17,156 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:17,157 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:17,157 INFO L85 PathProgramCache]: Analyzing trace with hash 584780093, now seen corresponding path program 1 times [2024-11-17 04:24:17,157 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:17,157 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948436015] [2024-11-17 04:24:17,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:17,157 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:17,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,254 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:17,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,257 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:17,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,279 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,283 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:17,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,286 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:24:17,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948436015] [2024-11-17 04:24:17,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948436015] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:17,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [149755160] [2024-11-17 04:24:17,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:17,287 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:17,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:17,288 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) [2024-11-17 04:24:17,290 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-17 04:24:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:17,341 INFO L255 TraceCheckSpWp]: Trace formula consists of 129 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:24:17,343 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:17,570 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:24:17,570 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:17,570 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [149755160] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:17,570 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:17,570 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:24:17,571 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1638585452] [2024-11-17 04:24:17,571 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:17,571 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:17,571 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:17,571 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:17,572 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=54, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:17,572 INFO L87 Difference]: Start difference. First operand 327 states and 400 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:18,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:18,357 INFO L93 Difference]: Finished difference Result 395 states and 496 transitions. [2024-11-17 04:24:18,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:24:18,358 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 66 [2024-11-17 04:24:18,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:18,360 INFO L225 Difference]: With dead ends: 395 [2024-11-17 04:24:18,360 INFO L226 Difference]: Without dead ends: 394 [2024-11-17 04:24:18,360 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:18,361 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 88 mSDsluCounter, 76 mSDsCounter, 0 mSdLazyCounter, 386 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 91 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 391 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 386 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:18,361 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [91 Valid, 160 Invalid, 391 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 386 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:18,364 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 394 states. [2024-11-17 04:24:18,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 394 to 336. [2024-11-17 04:24:18,380 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 255 states have (on average 1.419607843137255) internal successors, (362), 309 states have internal predecessors, (362), 24 states have call successors, (24), 2 states have call predecessors, (24), 2 states have return successors, (24), 24 states have call predecessors, (24), 24 states have call successors, (24) [2024-11-17 04:24:18,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 410 transitions. [2024-11-17 04:24:18,381 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 410 transitions. Word has length 66 [2024-11-17 04:24:18,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:18,381 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 410 transitions. [2024-11-17 04:24:18,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:18,382 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 410 transitions. [2024-11-17 04:24:18,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-17 04:24:18,382 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:18,382 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:24:18,399 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Ended with exit code 0 [2024-11-17 04:24:18,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:18,587 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr56ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:18,587 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:18,588 INFO L85 PathProgramCache]: Analyzing trace with hash -58253050, now seen corresponding path program 1 times [2024-11-17 04:24:18,588 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:18,588 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [46474363] [2024-11-17 04:24:18,588 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:18,588 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:18,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:18,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,666 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:18,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:18,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:18,682 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [46474363] [2024-11-17 04:24:18,683 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [46474363] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:18,683 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2081298376] [2024-11-17 04:24:18,683 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:18,683 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:18,683 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:18,685 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) [2024-11-17 04:24:18,687 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-17 04:24:18,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:18,732 INFO L255 TraceCheckSpWp]: Trace formula consists of 127 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:18,734 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:18,807 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:18,807 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:18,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2081298376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:18,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:18,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6] total 9 [2024-11-17 04:24:18,808 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063751273] [2024-11-17 04:24:18,808 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:18,808 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:24:18,808 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:18,809 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:24:18,809 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:18,809 INFO L87 Difference]: Start difference. First operand 336 states and 410 transitions. Second operand has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:18,904 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:18,904 INFO L93 Difference]: Finished difference Result 420 states and 508 transitions. [2024-11-17 04:24:18,905 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:24:18,905 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 65 [2024-11-17 04:24:18,905 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:18,907 INFO L225 Difference]: With dead ends: 420 [2024-11-17 04:24:18,907 INFO L226 Difference]: Without dead ends: 419 [2024-11-17 04:24:18,907 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 81 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:24:18,908 INFO L432 NwaCegarLoop]: 196 mSDtfsCounter, 110 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 110 SdHoareTripleChecker+Valid, 629 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:18,908 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [110 Valid, 629 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:24:18,909 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 419 states. [2024-11-17 04:24:18,929 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 419 to 381. [2024-11-17 04:24:18,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 381 states, 293 states have (on average 1.4402730375426622) internal successors, (422), 348 states have internal predecessors, (422), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:24:18,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 381 states and 484 transitions. [2024-11-17 04:24:18,932 INFO L78 Accepts]: Start accepts. Automaton has 381 states and 484 transitions. Word has length 65 [2024-11-17 04:24:18,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:18,932 INFO L471 AbstractCegarLoop]: Abstraction has 381 states and 484 transitions. [2024-11-17 04:24:18,932 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.5) internal successors, (46), 5 states have internal predecessors, (46), 2 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:18,933 INFO L276 IsEmpty]: Start isEmpty. Operand 381 states and 484 transitions. [2024-11-17 04:24:18,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-17 04:24:18,933 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:18,933 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:18,953 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:19,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:19,134 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:19,134 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:19,135 INFO L85 PathProgramCache]: Analyzing trace with hash 948313707, now seen corresponding path program 1 times [2024-11-17 04:24:19,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:19,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [76136216] [2024-11-17 04:24:19,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:19,135 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:19,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,256 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:19,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,280 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:19,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,284 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:19,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,288 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:19,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,292 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 54 [2024-11-17 04:24:19,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,299 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:24:19,299 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:19,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [76136216] [2024-11-17 04:24:19,300 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [76136216] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:19,300 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1159845475] [2024-11-17 04:24:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:19,300 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:19,300 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:19,302 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) [2024-11-17 04:24:19,303 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-17 04:24:19,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:19,348 INFO L255 TraceCheckSpWp]: Trace formula consists of 130 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:24:19,350 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:19,564 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:24:19,564 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:19,564 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1159845475] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:19,564 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:19,564 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [7] total 9 [2024-11-17 04:24:19,565 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458685520] [2024-11-17 04:24:19,565 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:19,565 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:19,567 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:19,567 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:19,567 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:19,568 INFO L87 Difference]: Start difference. First operand 381 states and 484 transitions. Second operand has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:20,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:20,280 INFO L93 Difference]: Finished difference Result 435 states and 562 transitions. [2024-11-17 04:24:20,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:20,281 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) Word has length 67 [2024-11-17 04:24:20,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:20,286 INFO L225 Difference]: With dead ends: 435 [2024-11-17 04:24:20,286 INFO L226 Difference]: Without dead ends: 434 [2024-11-17 04:24:20,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:24:20,287 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 67 mSDsluCounter, 73 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 70 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 384 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:20,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [70 Valid, 154 Invalid, 384 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:20,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 434 states. [2024-11-17 04:24:20,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 434 to 382. [2024-11-17 04:24:20,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 382 states, 294 states have (on average 1.435374149659864) internal successors, (422), 349 states have internal predecessors, (422), 31 states have call successors, (31), 3 states have call predecessors, (31), 3 states have return successors, (31), 29 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:24:20,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 382 states to 382 states and 484 transitions. [2024-11-17 04:24:20,308 INFO L78 Accepts]: Start accepts. Automaton has 382 states and 484 transitions. Word has length 67 [2024-11-17 04:24:20,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:20,309 INFO L471 AbstractCegarLoop]: Abstraction has 382 states and 484 transitions. [2024-11-17 04:24:20,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.333333333333334) internal successors, (43), 4 states have internal predecessors, (43), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 3 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:20,309 INFO L276 IsEmpty]: Start isEmpty. Operand 382 states and 484 transitions. [2024-11-17 04:24:20,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:24:20,310 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:20,310 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:20,327 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-17 04:24:20,510 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,SelfDestructingSolverStorable22 [2024-11-17 04:24:20,511 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr25ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:20,511 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:20,511 INFO L85 PathProgramCache]: Analyzing trace with hash -249721833, now seen corresponding path program 1 times [2024-11-17 04:24:20,511 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:20,512 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2044689699] [2024-11-17 04:24:20,512 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:20,512 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,583 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:20,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,587 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,589 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,591 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:20,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,593 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,596 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:20,596 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:20,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2044689699] [2024-11-17 04:24:20,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2044689699] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:20,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [472789982] [2024-11-17 04:24:20,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:20,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:20,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:20,600 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) [2024-11-17 04:24:20,601 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-17 04:24:20,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:20,650 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:24:20,651 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:20,742 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:20,742 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:20,841 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:20,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [472789982] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:20,841 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:20,841 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 5, 6] total 13 [2024-11-17 04:24:20,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734878844] [2024-11-17 04:24:20,842 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:20,842 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:24:20,842 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:20,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:24:20,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=51, Invalid=105, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:24:20,843 INFO L87 Difference]: Start difference. First operand 382 states and 484 transitions. Second operand has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-17 04:24:21,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:21,015 INFO L93 Difference]: Finished difference Result 985 states and 1186 transitions. [2024-11-17 04:24:21,015 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:24:21,015 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) Word has length 68 [2024-11-17 04:24:21,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:21,019 INFO L225 Difference]: With dead ends: 985 [2024-11-17 04:24:21,019 INFO L226 Difference]: Without dead ends: 885 [2024-11-17 04:24:21,021 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=114, Invalid=228, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:24:21,023 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 337 mSDsluCounter, 642 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 337 SdHoareTripleChecker+Valid, 787 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:21,023 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [337 Valid, 787 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:24:21,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 885 states. [2024-11-17 04:24:21,084 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 885 to 747. [2024-11-17 04:24:21,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 747 states, 625 states have (on average 1.4128) internal successors, (883), 685 states have internal predecessors, (883), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-17 04:24:21,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 747 states to 747 states and 1007 transitions. [2024-11-17 04:24:21,087 INFO L78 Accepts]: Start accepts. Automaton has 747 states and 1007 transitions. Word has length 68 [2024-11-17 04:24:21,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:21,088 INFO L471 AbstractCegarLoop]: Abstraction has 747 states and 1007 transitions. [2024-11-17 04:24:21,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 8.076923076923077) internal successors, (105), 13 states have internal predecessors, (105), 5 states have call successors, (15), 3 states have call predecessors, (15), 3 states have return successors, (15), 5 states have call predecessors, (15), 5 states have call successors, (15) [2024-11-17 04:24:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1007 transitions. [2024-11-17 04:24:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-17 04:24:21,089 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:21,089 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:21,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-11-17 04:24:21,289 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:21,290 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:21,290 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:21,290 INFO L85 PathProgramCache]: Analyzing trace with hash -1459274835, now seen corresponding path program 1 times [2024-11-17 04:24:21,290 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:21,290 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [909658797] [2024-11-17 04:24:21,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:21,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:21,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:21,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2136947512] [2024-11-17 04:24:21,303 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:21,303 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:21,303 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:21,305 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) [2024-11-17 04:24:21,307 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-17 04:24:21,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:21,352 INFO L255 TraceCheckSpWp]: Trace formula consists of 131 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:21,353 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:21,554 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:21,554 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:21,724 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:21,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [909658797] [2024-11-17 04:24:21,724 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:21,724 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2136947512] [2024-11-17 04:24:21,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2136947512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:21,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:21,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-17 04:24:21,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007196503] [2024-11-17 04:24:21,725 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:21,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:21,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:21,725 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:21,725 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:21,726 INFO L87 Difference]: Start difference. First operand 747 states and 1007 transitions. Second operand has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:22,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:22,165 INFO L93 Difference]: Finished difference Result 792 states and 1070 transitions. [2024-11-17 04:24:22,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:22,165 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-17 04:24:22,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:22,168 INFO L225 Difference]: With dead ends: 792 [2024-11-17 04:24:22,168 INFO L226 Difference]: Without dead ends: 790 [2024-11-17 04:24:22,169 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:22,169 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 41 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 250 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 250 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:22,169 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 209 Invalid, 252 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 250 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:22,170 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-17 04:24:22,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 750. [2024-11-17 04:24:22,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 750 states, 628 states have (on average 1.4044585987261147) internal successors, (882), 688 states have internal predecessors, (882), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-17 04:24:22,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 750 states to 750 states and 1006 transitions. [2024-11-17 04:24:22,238 INFO L78 Accepts]: Start accepts. Automaton has 750 states and 1006 transitions. Word has length 68 [2024-11-17 04:24:22,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:22,238 INFO L471 AbstractCegarLoop]: Abstraction has 750 states and 1006 transitions. [2024-11-17 04:24:22,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.333333333333332) internal successors, (49), 4 states have internal predecessors, (49), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:22,239 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 1006 transitions. [2024-11-17 04:24:22,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 70 [2024-11-17 04:24:22,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:22,240 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1] [2024-11-17 04:24:22,257 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-17 04:24:22,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:22,441 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:22,441 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:22,441 INFO L85 PathProgramCache]: Analyzing trace with hash 2007120469, now seen corresponding path program 1 times [2024-11-17 04:24:22,442 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:22,442 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1140201337] [2024-11-17 04:24:22,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:22,442 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:22,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1120551275] [2024-11-17 04:24:22,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:22,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:22,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:22,463 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) [2024-11-17 04:24:22,465 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-17 04:24:22,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:22,516 INFO L255 TraceCheckSpWp]: Trace formula consists of 132 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:22,517 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:22,733 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:22,734 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:23,396 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:23,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1140201337] [2024-11-17 04:24:23,397 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:23,397 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1120551275] [2024-11-17 04:24:23,397 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1120551275] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:23,397 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:23,397 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3] total 3 [2024-11-17 04:24:23,397 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [264066407] [2024-11-17 04:24:23,397 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:23,398 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:23,398 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:23,398 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:23,398 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:23,398 INFO L87 Difference]: Start difference. First operand 750 states and 1006 transitions. Second operand has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:23,645 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:23,646 INFO L93 Difference]: Finished difference Result 792 states and 1063 transitions. [2024-11-17 04:24:23,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:24:23,646 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 69 [2024-11-17 04:24:23,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:23,650 INFO L225 Difference]: With dead ends: 792 [2024-11-17 04:24:23,652 INFO L226 Difference]: Without dead ends: 790 [2024-11-17 04:24:23,652 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 87 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:24:23,653 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 82 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 150 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 150 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:23,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 156 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 150 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:23,654 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2024-11-17 04:24:23,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 753. [2024-11-17 04:24:23,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 631 states have (on average 1.3961965134706815) internal successors, (881), 691 states have internal predecessors, (881), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-17 04:24:23,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1005 transitions. [2024-11-17 04:24:23,696 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1005 transitions. Word has length 69 [2024-11-17 04:24:23,696 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:23,696 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1005 transitions. [2024-11-17 04:24:23,696 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.666666666666668) internal successors, (50), 4 states have internal predecessors, (50), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:23,696 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1005 transitions. [2024-11-17 04:24:23,697 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 04:24:23,697 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:23,697 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:23,713 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-17 04:24:23,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:23,898 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr51ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:23,898 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:23,898 INFO L85 PathProgramCache]: Analyzing trace with hash -408707671, now seen corresponding path program 1 times [2024-11-17 04:24:23,898 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:23,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1046616290] [2024-11-17 04:24:23,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:23,899 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:23,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:23,911 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1248112683] [2024-11-17 04:24:23,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:23,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:23,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:23,914 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) [2024-11-17 04:24:23,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-17 04:24:23,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:23,986 INFO L255 TraceCheckSpWp]: Trace formula consists of 135 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:23,987 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:24,058 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-17 04:24:24,058 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:24,058 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:24,058 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1046616290] [2024-11-17 04:24:24,058 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:24,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1248112683] [2024-11-17 04:24:24,059 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1248112683] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:24,059 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:24,059 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:24,059 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [771064477] [2024-11-17 04:24:24,059 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:24,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:24,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:24,062 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:24,062 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:24,062 INFO L87 Difference]: Start difference. First operand 753 states and 1005 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:24,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:24,434 INFO L93 Difference]: Finished difference Result 807 states and 1058 transitions. [2024-11-17 04:24:24,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:24,435 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 72 [2024-11-17 04:24:24,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:24,438 INFO L225 Difference]: With dead ends: 807 [2024-11-17 04:24:24,438 INFO L226 Difference]: Without dead ends: 806 [2024-11-17 04:24:24,439 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:24,439 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 128 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 145 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:24,440 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 185 Invalid, 145 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:24,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-17 04:24:24,477 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 753. [2024-11-17 04:24:24,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 753 states, 631 states have (on average 1.3914421553090333) internal successors, (878), 691 states have internal predecessors, (878), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-17 04:24:24,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 753 states and 1002 transitions. [2024-11-17 04:24:24,481 INFO L78 Accepts]: Start accepts. Automaton has 753 states and 1002 transitions. Word has length 72 [2024-11-17 04:24:24,481 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:24,481 INFO L471 AbstractCegarLoop]: Abstraction has 753 states and 1002 transitions. [2024-11-17 04:24:24,481 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:24,481 INFO L276 IsEmpty]: Start isEmpty. Operand 753 states and 1002 transitions. [2024-11-17 04:24:24,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-11-17 04:24:24,482 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:24,482 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 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] [2024-11-17 04:24:24,499 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-17 04:24:24,687 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,SelfDestructingSolverStorable26 [2024-11-17 04:24:24,688 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr50ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:24,688 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:24,688 INFO L85 PathProgramCache]: Analyzing trace with hash 214964177, now seen corresponding path program 1 times [2024-11-17 04:24:24,688 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:24,688 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [953542067] [2024-11-17 04:24:24,688 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:24,688 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:24,712 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1548662902] [2024-11-17 04:24:24,712 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:24,712 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:24,713 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:24,718 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) [2024-11-17 04:24:24,728 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-17 04:24:24,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:24,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:24,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:24,976 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-17 04:24:24,977 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:24:24,977 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:24,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [953542067] [2024-11-17 04:24:24,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:24,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1548662902] [2024-11-17 04:24:24,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1548662902] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:24:24,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:24:24,977 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:24:24,977 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922939379] [2024-11-17 04:24:24,977 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:24:24,978 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:24:24,978 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:24,978 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:24:24,978 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:24,978 INFO L87 Difference]: Start difference. First operand 753 states and 1002 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:25,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:25,723 INFO L93 Difference]: Finished difference Result 809 states and 1055 transitions. [2024-11-17 04:24:25,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:24:25,724 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 73 [2024-11-17 04:24:25,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:25,727 INFO L225 Difference]: With dead ends: 809 [2024-11-17 04:24:25,727 INFO L226 Difference]: Without dead ends: 806 [2024-11-17 04:24:25,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:24:25,728 INFO L432 NwaCegarLoop]: 90 mSDtfsCounter, 128 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 137 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 134 SdHoareTripleChecker+Valid, 188 SdHoareTripleChecker+Invalid, 144 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 137 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:25,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [134 Valid, 188 Invalid, 144 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 137 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:25,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 806 states. [2024-11-17 04:24:25,787 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 806 to 762. [2024-11-17 04:24:25,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 762 states, 640 states have (on average 1.3828125) internal successors, (885), 700 states have internal predecessors, (885), 62 states have call successors, (62), 6 states have call predecessors, (62), 6 states have return successors, (62), 55 states have call predecessors, (62), 62 states have call successors, (62) [2024-11-17 04:24:25,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 762 states and 1009 transitions. [2024-11-17 04:24:25,792 INFO L78 Accepts]: Start accepts. Automaton has 762 states and 1009 transitions. Word has length 73 [2024-11-17 04:24:25,793 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:25,793 INFO L471 AbstractCegarLoop]: Abstraction has 762 states and 1009 transitions. [2024-11-17 04:24:25,793 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-17 04:24:25,793 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 1009 transitions. [2024-11-17 04:24:25,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-17 04:24:25,794 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:25,794 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:25,811 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:25,994 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,SelfDestructingSolverStorable27 [2024-11-17 04:24:25,995 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr49ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:25,995 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:25,996 INFO L85 PathProgramCache]: Analyzing trace with hash 280358814, now seen corresponding path program 1 times [2024-11-17 04:24:25,996 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:25,996 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1106141268] [2024-11-17 04:24:25,996 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:25,996 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:26,010 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1773067716] [2024-11-17 04:24:26,010 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:26,011 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:26,011 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:26,012 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) [2024-11-17 04:24:26,015 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-17 04:24:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:26,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 146 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:26,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:26,423 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:24:26,423 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:26,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:26,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1106141268] [2024-11-17 04:24:26,572 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:26,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1773067716] [2024-11-17 04:24:26,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1773067716] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:26,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:26,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:26,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [350249576] [2024-11-17 04:24:26,573 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:26,573 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:26,573 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:26,574 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:26,574 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:26,574 INFO L87 Difference]: Start difference. First operand 762 states and 1009 transitions. Second operand has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:27,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:27,000 INFO L93 Difference]: Finished difference Result 931 states and 1238 transitions. [2024-11-17 04:24:27,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:24:27,001 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 79 [2024-11-17 04:24:27,001 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:27,004 INFO L225 Difference]: With dead ends: 931 [2024-11-17 04:24:27,004 INFO L226 Difference]: Without dead ends: 927 [2024-11-17 04:24:27,005 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:27,005 INFO L432 NwaCegarLoop]: 79 mSDtfsCounter, 417 mSDsluCounter, 283 mSDsCounter, 0 mSdLazyCounter, 394 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 431 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 409 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 394 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:27,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [431 Valid, 362 Invalid, 409 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 394 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:24:27,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 927 states. [2024-11-17 04:24:27,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 927 to 832. [2024-11-17 04:24:27,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 832 states, 702 states have (on average 1.3945868945868947) internal successors, (979), 764 states have internal predecessors, (979), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-17 04:24:27,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 832 states to 832 states and 1119 transitions. [2024-11-17 04:24:27,098 INFO L78 Accepts]: Start accepts. Automaton has 832 states and 1119 transitions. Word has length 79 [2024-11-17 04:24:27,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:27,098 INFO L471 AbstractCegarLoop]: Abstraction has 832 states and 1119 transitions. [2024-11-17 04:24:27,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.666666666666666) internal successors, (58), 7 states have internal predecessors, (58), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:27,102 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1119 transitions. [2024-11-17 04:24:27,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2024-11-17 04:24:27,103 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:27,103 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:27,129 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:27,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-17 04:24:27,304 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr48ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:27,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:27,304 INFO L85 PathProgramCache]: Analyzing trace with hash 101188727, now seen corresponding path program 1 times [2024-11-17 04:24:27,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:27,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404961146] [2024-11-17 04:24:27,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:27,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:27,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:27,316 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1289217409] [2024-11-17 04:24:27,316 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:27,316 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:27,316 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:27,318 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) [2024-11-17 04:24:27,322 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Waiting until timeout for monitored process [2024-11-17 04:24:27,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:27,371 INFO L255 TraceCheckSpWp]: Trace formula consists of 147 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:27,372 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:27,686 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 14 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:24:27,686 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:28,459 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:28,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404961146] [2024-11-17 04:24:28,460 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:28,460 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1289217409] [2024-11-17 04:24:28,460 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1289217409] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:28,460 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:28,460 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:28,460 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021848812] [2024-11-17 04:24:28,460 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:28,461 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:28,461 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:28,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:28,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:28,461 INFO L87 Difference]: Start difference. First operand 832 states and 1119 transitions. Second operand has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:28,840 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:28,840 INFO L93 Difference]: Finished difference Result 854 states and 1132 transitions. [2024-11-17 04:24:28,840 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:28,840 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 80 [2024-11-17 04:24:28,841 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:28,843 INFO L225 Difference]: With dead ends: 854 [2024-11-17 04:24:28,843 INFO L226 Difference]: Without dead ends: 848 [2024-11-17 04:24:28,844 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 110 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:24:28,845 INFO L432 NwaCegarLoop]: 122 mSDtfsCounter, 221 mSDsluCounter, 301 mSDsCounter, 0 mSdLazyCounter, 476 mSolverCounterSat, 15 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 224 SdHoareTripleChecker+Valid, 423 SdHoareTripleChecker+Invalid, 491 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 15 IncrementalHoareTripleChecker+Valid, 476 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:28,845 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [224 Valid, 423 Invalid, 491 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [15 Valid, 476 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:24:28,846 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 848 states. [2024-11-17 04:24:28,885 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 848 to 826. [2024-11-17 04:24:28,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 826 states, 702 states have (on average 1.3504273504273505) internal successors, (948), 758 states have internal predecessors, (948), 70 states have call successors, (70), 6 states have call predecessors, (70), 6 states have return successors, (70), 61 states have call predecessors, (70), 70 states have call successors, (70) [2024-11-17 04:24:28,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 826 states and 1088 transitions. [2024-11-17 04:24:28,888 INFO L78 Accepts]: Start accepts. Automaton has 826 states and 1088 transitions. Word has length 80 [2024-11-17 04:24:28,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:28,889 INFO L471 AbstractCegarLoop]: Abstraction has 826 states and 1088 transitions. [2024-11-17 04:24:28,889 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 9.833333333333334) internal successors, (59), 7 states have internal predecessors, (59), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:28,889 INFO L276 IsEmpty]: Start isEmpty. Operand 826 states and 1088 transitions. [2024-11-17 04:24:28,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2024-11-17 04:24:28,890 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:28,890 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:28,906 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:29,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:29,091 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr47ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:29,091 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:29,092 INFO L85 PathProgramCache]: Analyzing trace with hash -1158116676, now seen corresponding path program 1 times [2024-11-17 04:24:29,092 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:29,092 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1707605862] [2024-11-17 04:24:29,092 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:29,092 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:29,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:29,103 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1031903962] [2024-11-17 04:24:29,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:29,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:29,104 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:29,106 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) [2024-11-17 04:24:29,107 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Waiting until timeout for monitored process [2024-11-17 04:24:29,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:29,155 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:24:29,157 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:29,531 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 3 proven. 15 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:24:29,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:29,666 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:29,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1707605862] [2024-11-17 04:24:29,666 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:29,666 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1031903962] [2024-11-17 04:24:29,667 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1031903962] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:29,667 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:29,667 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:24:29,667 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1881895507] [2024-11-17 04:24:29,667 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:29,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:24:29,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:29,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:24:29,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:24:29,668 INFO L87 Difference]: Start difference. First operand 826 states and 1088 transitions. Second operand has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:30,712 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:30,713 INFO L93 Difference]: Finished difference Result 1083 states and 1474 transitions. [2024-11-17 04:24:30,713 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:24:30,713 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 81 [2024-11-17 04:24:30,713 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:30,717 INFO L225 Difference]: With dead ends: 1083 [2024-11-17 04:24:30,717 INFO L226 Difference]: Without dead ends: 1075 [2024-11-17 04:24:30,718 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 101 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:24:30,719 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 358 mSDsluCounter, 281 mSDsCounter, 0 mSdLazyCounter, 948 mSolverCounterSat, 34 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 364 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 982 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 34 IncrementalHoareTripleChecker+Valid, 948 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:30,719 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [364 Valid, 358 Invalid, 982 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [34 Valid, 948 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:24:30,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1075 states. [2024-11-17 04:24:30,772 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1075 to 1041. [2024-11-17 04:24:30,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1041 states, 897 states have (on average 1.3857302118171684) internal successors, (1243), 955 states have internal predecessors, (1243), 90 states have call successors, (90), 6 states have call predecessors, (90), 6 states have return successors, (90), 79 states have call predecessors, (90), 90 states have call successors, (90) [2024-11-17 04:24:30,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1041 states to 1041 states and 1423 transitions. [2024-11-17 04:24:30,777 INFO L78 Accepts]: Start accepts. Automaton has 1041 states and 1423 transitions. Word has length 81 [2024-11-17 04:24:30,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:30,777 INFO L471 AbstractCegarLoop]: Abstraction has 1041 states and 1423 transitions. [2024-11-17 04:24:30,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.571428571428571) internal successors, (60), 8 states have internal predecessors, (60), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 1041 states and 1423 transitions. [2024-11-17 04:24:30,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-11-17 04:24:30,778 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:30,778 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:30,795 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (25)] Ended with exit code 0 [2024-11-17 04:24:30,979 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:30,979 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr46ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:30,980 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:30,980 INFO L85 PathProgramCache]: Analyzing trace with hash -1541878507, now seen corresponding path program 1 times [2024-11-17 04:24:30,980 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:30,980 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [710273388] [2024-11-17 04:24:30,980 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:30,980 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:30,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:30,994 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1956624224] [2024-11-17 04:24:30,994 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:30,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:30,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:30,996 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) [2024-11-17 04:24:30,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Waiting until timeout for monitored process [2024-11-17 04:24:31,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:31,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:24:31,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:31,413 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:24:31,413 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:32,317 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:32,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [710273388] [2024-11-17 04:24:32,318 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:32,318 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1956624224] [2024-11-17 04:24:32,318 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1956624224] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:32,318 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:32,318 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:24:32,318 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929411199] [2024-11-17 04:24:32,318 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:32,318 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:24:32,318 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:32,319 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:24:32,319 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=100, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:24:32,319 INFO L87 Difference]: Start difference. First operand 1041 states and 1423 transitions. Second operand has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:33,100 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:33,100 INFO L93 Difference]: Finished difference Result 1171 states and 1601 transitions. [2024-11-17 04:24:33,101 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:24:33,101 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 82 [2024-11-17 04:24:33,101 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:33,105 INFO L225 Difference]: With dead ends: 1171 [2024-11-17 04:24:33,105 INFO L226 Difference]: Without dead ends: 1169 [2024-11-17 04:24:33,106 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 118 GetRequests, 103 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=77, Invalid=195, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:24:33,107 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 509 mSDsluCounter, 260 mSDsCounter, 0 mSdLazyCounter, 871 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 515 SdHoareTripleChecker+Valid, 336 SdHoareTripleChecker+Invalid, 907 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 871 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:33,107 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [515 Valid, 336 Invalid, 907 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 871 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:24:33,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1169 states. [2024-11-17 04:24:33,174 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1169 to 1093. [2024-11-17 04:24:33,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1093 states, 944 states have (on average 1.3760593220338984) internal successors, (1299), 1002 states have internal predecessors, (1299), 95 states have call successors, (95), 6 states have call predecessors, (95), 6 states have return successors, (95), 84 states have call predecessors, (95), 95 states have call successors, (95) [2024-11-17 04:24:33,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 1093 states and 1489 transitions. [2024-11-17 04:24:33,179 INFO L78 Accepts]: Start accepts. Automaton has 1093 states and 1489 transitions. Word has length 82 [2024-11-17 04:24:33,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:33,179 INFO L471 AbstractCegarLoop]: Abstraction has 1093 states and 1489 transitions. [2024-11-17 04:24:33,180 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 8.714285714285714) internal successors, (61), 8 states have internal predecessors, (61), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1489 transitions. [2024-11-17 04:24:33,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-17 04:24:33,181 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:33,181 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:33,198 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:33,381 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,SelfDestructingSolverStorable31 [2024-11-17 04:24:33,382 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr45ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:33,382 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:33,382 INFO L85 PathProgramCache]: Analyzing trace with hash -553593382, now seen corresponding path program 1 times [2024-11-17 04:24:33,382 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:33,382 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1993873519] [2024-11-17 04:24:33,382 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:33,383 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:33,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:33,395 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1194678627] [2024-11-17 04:24:33,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:33,396 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:33,396 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:33,398 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) [2024-11-17 04:24:33,399 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Waiting until timeout for monitored process [2024-11-17 04:24:33,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:33,450 INFO L255 TraceCheckSpWp]: Trace formula consists of 150 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:24:33,451 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:33,911 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 20 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-17 04:24:33,911 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:34,075 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:34,075 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1993873519] [2024-11-17 04:24:34,076 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:34,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1194678627] [2024-11-17 04:24:34,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1194678627] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:34,076 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:34,076 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2024-11-17 04:24:34,076 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100063085] [2024-11-17 04:24:34,076 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:34,076 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:24:34,076 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:34,077 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:24:34,077 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=145, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:24:34,077 INFO L87 Difference]: Start difference. First operand 1093 states and 1489 transitions. Second operand has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:35,390 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:35,390 INFO L93 Difference]: Finished difference Result 1180 states and 1596 transitions. [2024-11-17 04:24:35,391 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:24:35,391 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) Word has length 83 [2024-11-17 04:24:35,391 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:35,396 INFO L225 Difference]: With dead ends: 1180 [2024-11-17 04:24:35,396 INFO L226 Difference]: Without dead ends: 1094 [2024-11-17 04:24:35,397 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 35 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:24:35,398 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 442 mSDsluCounter, 330 mSDsCounter, 0 mSdLazyCounter, 1663 mSolverCounterSat, 36 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 458 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1699 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 36 IncrementalHoareTripleChecker+Valid, 1663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:35,398 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [458 Valid, 391 Invalid, 1699 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [36 Valid, 1663 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:24:35,399 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1094 states. [2024-11-17 04:24:35,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1094 to 952. [2024-11-17 04:24:35,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 952 states, 819 states have (on average 1.3772893772893773) internal successors, (1128), 875 states have internal predecessors, (1128), 79 states have call successors, (79), 6 states have call predecessors, (79), 6 states have return successors, (79), 70 states have call predecessors, (79), 79 states have call successors, (79) [2024-11-17 04:24:35,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 952 states to 952 states and 1286 transitions. [2024-11-17 04:24:35,460 INFO L78 Accepts]: Start accepts. Automaton has 952 states and 1286 transitions. Word has length 83 [2024-11-17 04:24:35,461 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:35,461 INFO L471 AbstractCegarLoop]: Abstraction has 952 states and 1286 transitions. [2024-11-17 04:24:35,461 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 5.909090909090909) internal successors, (65), 11 states have internal predecessors, (65), 3 states have call successors, (6), 1 states have call predecessors, (6), 3 states have return successors, (6), 5 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:35,461 INFO L276 IsEmpty]: Start isEmpty. Operand 952 states and 1286 transitions. [2024-11-17 04:24:35,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-17 04:24:35,462 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:35,462 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 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] [2024-11-17 04:24:35,479 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (27)] Ended with exit code 0 [2024-11-17 04:24:35,662 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,SelfDestructingSolverStorable32 [2024-11-17 04:24:35,663 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr44ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:35,663 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:35,663 INFO L85 PathProgramCache]: Analyzing trace with hash 18474419, now seen corresponding path program 1 times [2024-11-17 04:24:35,663 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:35,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925855933] [2024-11-17 04:24:35,663 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:35,664 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:35,675 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [653849389] [2024-11-17 04:24:35,675 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:35,675 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:35,675 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:35,678 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) [2024-11-17 04:24:35,679 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Waiting until timeout for monitored process [2024-11-17 04:24:35,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:35,725 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:35,727 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:36,056 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 18 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2024-11-17 04:24:36,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:40,452 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:40,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925855933] [2024-11-17 04:24:40,452 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:40,452 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [653849389] [2024-11-17 04:24:40,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [653849389] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:40,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:40,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:40,452 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871688663] [2024-11-17 04:24:40,452 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:40,453 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:40,453 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:40,453 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:40,453 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-17 04:24:40,453 INFO L87 Difference]: Start difference. First operand 952 states and 1286 transitions. Second operand has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:41,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:41,551 INFO L93 Difference]: Finished difference Result 1040 states and 1406 transitions. [2024-11-17 04:24:41,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:41,551 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) Word has length 84 [2024-11-17 04:24:41,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:41,555 INFO L225 Difference]: With dead ends: 1040 [2024-11-17 04:24:41,555 INFO L226 Difference]: Without dead ends: 1036 [2024-11-17 04:24:41,555 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 92 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=40, Invalid=91, Unknown=1, NotChecked=0, Total=132 [2024-11-17 04:24:41,556 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 223 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 663 mSolverCounterSat, 19 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 226 SdHoareTripleChecker+Valid, 434 SdHoareTripleChecker+Invalid, 682 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 19 IncrementalHoareTripleChecker+Valid, 663 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:41,556 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [226 Valid, 434 Invalid, 682 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [19 Valid, 663 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:24:41,557 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1036 states. [2024-11-17 04:24:41,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1036 to 1018. [2024-11-17 04:24:41,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1018 states, 881 states have (on average 1.3654937570942112) internal successors, (1203), 935 states have internal predecessors, (1203), 85 states have call successors, (85), 6 states have call predecessors, (85), 6 states have return successors, (85), 76 states have call predecessors, (85), 85 states have call successors, (85) [2024-11-17 04:24:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 1018 states and 1373 transitions. [2024-11-17 04:24:41,613 INFO L78 Accepts]: Start accepts. Automaton has 1018 states and 1373 transitions. Word has length 84 [2024-11-17 04:24:41,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:41,614 INFO L471 AbstractCegarLoop]: Abstraction has 1018 states and 1373 transitions. [2024-11-17 04:24:41,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.0) internal successors, (63), 7 states have internal predecessors, (63), 3 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 4 states have call predecessors, (6), 3 states have call successors, (6) [2024-11-17 04:24:41,614 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1373 transitions. [2024-11-17 04:24:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2024-11-17 04:24:41,615 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:41,615 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 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] [2024-11-17 04:24:41,632 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Ended with exit code 0 [2024-11-17 04:24:41,819 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:41,820 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr43ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:41,820 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:41,820 INFO L85 PathProgramCache]: Analyzing trace with hash -393397449, now seen corresponding path program 1 times [2024-11-17 04:24:41,820 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:41,820 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [320754687] [2024-11-17 04:24:41,820 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:41,820 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:41,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:41,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2065825286] [2024-11-17 04:24:41,833 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:41,833 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:41,834 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:41,835 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) [2024-11-17 04:24:41,837 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Waiting until timeout for monitored process [2024-11-17 04:24:41,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:41,891 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:41,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:42,190 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:24:42,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:43,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:43,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [320754687] [2024-11-17 04:24:43,659 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:43,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2065825286] [2024-11-17 04:24:43,659 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2065825286] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:43,659 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:43,659 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:43,660 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [341335526] [2024-11-17 04:24:43,660 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:43,660 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:43,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:43,661 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:43,661 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-17 04:24:43,661 INFO L87 Difference]: Start difference. First operand 1018 states and 1373 transitions. Second operand has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:24:44,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:44,210 INFO L93 Difference]: Finished difference Result 1288 states and 1775 transitions. [2024-11-17 04:24:44,210 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:24:44,211 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 90 [2024-11-17 04:24:44,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:44,215 INFO L225 Difference]: With dead ends: 1288 [2024-11-17 04:24:44,215 INFO L226 Difference]: Without dead ends: 1286 [2024-11-17 04:24:44,216 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 129 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=26, Invalid=63, Unknown=1, NotChecked=0, Total=90 [2024-11-17 04:24:44,217 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 329 mSDsluCounter, 277 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 340 SdHoareTripleChecker+Valid, 358 SdHoareTripleChecker+Invalid, 397 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:44,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [340 Valid, 358 Invalid, 397 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:44,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1286 states. [2024-11-17 04:24:44,279 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1286 to 1238. [2024-11-17 04:24:44,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1238 states, 1078 states have (on average 1.398886827458256) internal successors, (1508), 1133 states have internal predecessors, (1508), 108 states have call successors, (108), 6 states have call predecessors, (108), 6 states have return successors, (108), 98 states have call predecessors, (108), 108 states have call successors, (108) [2024-11-17 04:24:44,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1238 states and 1724 transitions. [2024-11-17 04:24:44,291 INFO L78 Accepts]: Start accepts. Automaton has 1238 states and 1724 transitions. Word has length 90 [2024-11-17 04:24:44,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:44,291 INFO L471 AbstractCegarLoop]: Abstraction has 1238 states and 1724 transitions. [2024-11-17 04:24:44,292 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.666666666666666) internal successors, (64), 7 states have internal predecessors, (64), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:24:44,292 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1724 transitions. [2024-11-17 04:24:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2024-11-17 04:24:44,292 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:44,293 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 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] [2024-11-17 04:24:44,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (29)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:44,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:44,497 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr42ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:44,497 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:44,497 INFO L85 PathProgramCache]: Analyzing trace with hash 689581041, now seen corresponding path program 1 times [2024-11-17 04:24:44,497 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:44,497 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1718892414] [2024-11-17 04:24:44,497 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:44,497 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:44,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:44,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [232230484] [2024-11-17 04:24:44,507 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:44,507 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:44,507 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:44,509 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) [2024-11-17 04:24:44,510 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Waiting until timeout for monitored process [2024-11-17 04:24:44,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:44,561 INFO L255 TraceCheckSpWp]: Trace formula consists of 162 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:44,565 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:44,846 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:24:44,846 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:46,940 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:46,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1718892414] [2024-11-17 04:24:46,940 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:46,940 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [232230484] [2024-11-17 04:24:46,940 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [232230484] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:46,940 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:46,940 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:46,940 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1115769787] [2024-11-17 04:24:46,941 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:46,941 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:46,941 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:46,941 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:46,941 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=64, Unknown=1, NotChecked=0, Total=90 [2024-11-17 04:24:46,942 INFO L87 Difference]: Start difference. First operand 1238 states and 1724 transitions. Second operand has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:24:47,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:47,202 INFO L93 Difference]: Finished difference Result 1243 states and 1724 transitions. [2024-11-17 04:24:47,203 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:47,203 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 91 [2024-11-17 04:24:47,203 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:47,206 INFO L225 Difference]: With dead ends: 1243 [2024-11-17 04:24:47,206 INFO L226 Difference]: Without dead ends: 1237 [2024-11-17 04:24:47,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 123 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=33, Invalid=76, Unknown=1, NotChecked=0, Total=110 [2024-11-17 04:24:47,207 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 158 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 381 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 159 SdHoareTripleChecker+Valid, 335 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 381 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:47,207 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [159 Valid, 335 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 381 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:24:47,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1237 states. [2024-11-17 04:24:47,266 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1237 to 1014. [2024-11-17 04:24:47,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1014 states, 882 states have (on average 1.3129251700680271) internal successors, (1158), 928 states have internal predecessors, (1158), 86 states have call successors, (86), 6 states have call predecessors, (86), 6 states have return successors, (86), 79 states have call predecessors, (86), 86 states have call successors, (86) [2024-11-17 04:24:47,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1014 states to 1014 states and 1330 transitions. [2024-11-17 04:24:47,270 INFO L78 Accepts]: Start accepts. Automaton has 1014 states and 1330 transitions. Word has length 91 [2024-11-17 04:24:47,270 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:47,270 INFO L471 AbstractCegarLoop]: Abstraction has 1014 states and 1330 transitions. [2024-11-17 04:24:47,270 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 6 states have (on average 10.833333333333334) internal successors, (65), 7 states have internal predecessors, (65), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:24:47,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1014 states and 1330 transitions. [2024-11-17 04:24:47,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2024-11-17 04:24:47,271 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:47,271 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 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] [2024-11-17 04:24:47,289 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (30)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:47,472 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:47,473 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr39ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:47,474 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:47,474 INFO L85 PathProgramCache]: Analyzing trace with hash 480285107, now seen corresponding path program 1 times [2024-11-17 04:24:47,474 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:47,474 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [957981146] [2024-11-17 04:24:47,474 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:47,474 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:47,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:47,490 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1172154726] [2024-11-17 04:24:47,490 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:47,491 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:47,491 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:47,492 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) [2024-11-17 04:24:47,494 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Waiting until timeout for monitored process [2024-11-17 04:24:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:47,542 INFO L255 TraceCheckSpWp]: Trace formula consists of 165 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:24:47,544 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 9 proven. 30 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2024-11-17 04:24:47,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:48,081 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [957981146] [2024-11-17 04:24:48,081 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:48,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1172154726] [2024-11-17 04:24:48,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1172154726] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:48,081 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:48,081 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2024-11-17 04:24:48,081 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1209641619] [2024-11-17 04:24:48,081 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:48,082 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:24:48,082 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:48,082 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:24:48,082 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=38, Invalid=118, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:24:48,082 INFO L87 Difference]: Start difference. First operand 1014 states and 1330 transitions. Second operand has 11 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:24:49,137 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:49,138 INFO L93 Difference]: Finished difference Result 1276 states and 1717 transitions. [2024-11-17 04:24:49,138 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:24:49,138 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) Word has length 94 [2024-11-17 04:24:49,138 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:49,142 INFO L225 Difference]: With dead ends: 1276 [2024-11-17 04:24:49,143 INFO L226 Difference]: Without dead ends: 1272 [2024-11-17 04:24:49,143 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=51, Invalid=159, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:24:49,144 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 345 mSDsluCounter, 316 mSDsCounter, 0 mSdLazyCounter, 1045 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 363 SdHoareTripleChecker+Valid, 360 SdHoareTripleChecker+Invalid, 1061 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 1045 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:49,144 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [363 Valid, 360 Invalid, 1061 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 1045 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:24:49,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1272 states. [2024-11-17 04:24:49,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1272 to 1144. [2024-11-17 04:24:49,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1144 states, 998 states have (on average 1.3356713426853708) internal successors, (1333), 1046 states have internal predecessors, (1333), 100 states have call successors, (100), 6 states have call predecessors, (100), 6 states have return successors, (100), 91 states have call predecessors, (100), 100 states have call successors, (100) [2024-11-17 04:24:49,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1144 states to 1144 states and 1533 transitions. [2024-11-17 04:24:49,233 INFO L78 Accepts]: Start accepts. Automaton has 1144 states and 1533 transitions. Word has length 94 [2024-11-17 04:24:49,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:49,233 INFO L471 AbstractCegarLoop]: Abstraction has 1144 states and 1533 transitions. [2024-11-17 04:24:49,233 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 7.1) internal successors, (71), 10 states have internal predecessors, (71), 3 states have call successors, (7), 1 states have call predecessors, (7), 3 states have return successors, (7), 5 states have call predecessors, (7), 3 states have call successors, (7) [2024-11-17 04:24:49,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1533 transitions. [2024-11-17 04:24:49,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2024-11-17 04:24:49,234 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:49,234 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:49,251 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (31)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:49,438 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 31 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable36 [2024-11-17 04:24:49,439 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr38ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:49,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:49,439 INFO L85 PathProgramCache]: Analyzing trace with hash 2003936493, now seen corresponding path program 1 times [2024-11-17 04:24:49,439 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:49,439 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [433554039] [2024-11-17 04:24:49,439 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:49,439 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:24:49,449 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [65922264] [2024-11-17 04:24:49,449 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:49,449 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:49,450 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:49,451 INFO L229 MonitoredProcess]: Starting monitored process 32 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:49,453 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Waiting until timeout for monitored process [2024-11-17 04:24:49,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:49,506 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:24:49,507 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:49,835 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:24:49,836 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:50,147 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:50,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [433554039] [2024-11-17 04:24:50,147 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:24:50,147 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [65922264] [2024-11-17 04:24:50,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [65922264] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:50,147 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:24:50,147 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:24:50,147 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1247298481] [2024-11-17 04:24:50,148 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:50,148 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:50,148 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:50,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:50,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=65, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:24:50,149 INFO L87 Difference]: Start difference. First operand 1144 states and 1533 transitions. Second operand has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:24:51,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:51,457 INFO L93 Difference]: Finished difference Result 1197 states and 1609 transitions. [2024-11-17 04:24:51,457 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:24:51,457 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) Word has length 95 [2024-11-17 04:24:51,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:51,461 INFO L225 Difference]: With dead ends: 1197 [2024-11-17 04:24:51,461 INFO L226 Difference]: Without dead ends: 1193 [2024-11-17 04:24:51,461 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 93 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=40, Invalid=92, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:24:51,462 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 297 mSDsluCounter, 254 mSDsCounter, 0 mSdLazyCounter, 563 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 345 SdHoareTripleChecker+Invalid, 590 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 563 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:51,462 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 345 Invalid, 590 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 563 Invalid, 0 Unknown, 0 Unchecked, 1.2s Time] [2024-11-17 04:24:51,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1193 states. [2024-11-17 04:24:51,536 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1193 to 1175. [2024-11-17 04:24:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1175 states, 1028 states have (on average 1.3307392996108949) internal successors, (1368), 1073 states have internal predecessors, (1368), 103 states have call successors, (103), 6 states have call predecessors, (103), 6 states have return successors, (103), 95 states have call predecessors, (103), 103 states have call successors, (103) [2024-11-17 04:24:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1175 states to 1175 states and 1574 transitions. [2024-11-17 04:24:51,540 INFO L78 Accepts]: Start accepts. Automaton has 1175 states and 1574 transitions. Word has length 95 [2024-11-17 04:24:51,540 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:51,540 INFO L471 AbstractCegarLoop]: Abstraction has 1175 states and 1574 transitions. [2024-11-17 04:24:51,540 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 9.857142857142858) internal successors, (69), 7 states have internal predecessors, (69), 4 states have call successors, (7), 1 states have call predecessors, (7), 2 states have return successors, (7), 3 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-17 04:24:51,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1574 transitions. [2024-11-17 04:24:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-17 04:24:51,541 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:51,542 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:51,558 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Ended with exit code 0 [2024-11-17 04:24:51,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable37 [2024-11-17 04:24:51,742 INFO L396 AbstractCegarLoop]: === Iteration 39 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:51,743 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:51,743 INFO L85 PathProgramCache]: Analyzing trace with hash -1591034479, now seen corresponding path program 1 times [2024-11-17 04:24:51,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:51,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1899344609] [2024-11-17 04:24:51,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:51,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:51,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:51,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,828 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:51,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,831 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:51,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,833 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:51,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,836 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:24:51,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,838 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:24:51,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,841 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:24:51,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,846 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:51,846 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:51,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1899344609] [2024-11-17 04:24:51,847 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1899344609] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:51,847 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [119022595] [2024-11-17 04:24:51,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:51,847 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:51,847 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:51,849 INFO L229 MonitoredProcess]: Starting monitored process 33 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:51,850 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Waiting until timeout for monitored process [2024-11-17 04:24:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:51,909 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:24:51,911 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:52,085 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:52,247 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:52,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [119022595] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:52,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:52,248 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 13 [2024-11-17 04:24:52,248 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [603463816] [2024-11-17 04:24:52,248 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:52,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-17 04:24:52,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:52,249 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-17 04:24:52,249 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=142, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:24:52,250 INFO L87 Difference]: Start difference. First operand 1175 states and 1574 transitions. Second operand has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:24:53,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:53,571 INFO L93 Difference]: Finished difference Result 1766 states and 2293 transitions. [2024-11-17 04:24:53,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-17 04:24:53,571 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 104 [2024-11-17 04:24:53,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:53,577 INFO L225 Difference]: With dead ends: 1766 [2024-11-17 04:24:53,577 INFO L226 Difference]: Without dead ends: 1764 [2024-11-17 04:24:53,578 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 215 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 609 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=582, Invalid=1580, Unknown=0, NotChecked=0, Total=2162 [2024-11-17 04:24:53,579 INFO L432 NwaCegarLoop]: 133 mSDtfsCounter, 1877 mSDsluCounter, 632 mSDsCounter, 0 mSdLazyCounter, 840 mSolverCounterSat, 139 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1877 SdHoareTripleChecker+Valid, 765 SdHoareTripleChecker+Invalid, 979 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 139 IncrementalHoareTripleChecker+Valid, 840 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:53,579 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1877 Valid, 765 Invalid, 979 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [139 Valid, 840 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:24:53,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1764 states. [2024-11-17 04:24:53,667 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1764 to 1332. [2024-11-17 04:24:53,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1332 states, 1172 states have (on average 1.3361774744027304) internal successors, (1566), 1217 states have internal predecessors, (1566), 116 states have call successors, (116), 6 states have call predecessors, (116), 6 states have return successors, (116), 108 states have call predecessors, (116), 116 states have call successors, (116) [2024-11-17 04:24:53,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1332 states and 1798 transitions. [2024-11-17 04:24:53,670 INFO L78 Accepts]: Start accepts. Automaton has 1332 states and 1798 transitions. Word has length 104 [2024-11-17 04:24:53,671 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:53,671 INFO L471 AbstractCegarLoop]: Abstraction has 1332 states and 1798 transitions. [2024-11-17 04:24:53,671 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 15.076923076923077) internal successors, (196), 14 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:24:53,671 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1798 transitions. [2024-11-17 04:24:53,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-17 04:24:53,672 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:53,672 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:53,689 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:53,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable38 [2024-11-17 04:24:53,873 INFO L396 AbstractCegarLoop]: === Iteration 40 === Targeting ULTIMATE.startErr30ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:53,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:53,873 INFO L85 PathProgramCache]: Analyzing trace with hash -212932578, now seen corresponding path program 1 times [2024-11-17 04:24:53,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:53,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [408709970] [2024-11-17 04:24:53,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:53,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:53,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:53,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,968 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:53,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,970 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:53,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,972 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:53,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,974 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:53,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,978 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:24:53,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:24:53,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:24:53,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:53,985 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:53,985 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:53,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [408709970] [2024-11-17 04:24:53,986 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [408709970] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:53,986 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1537920682] [2024-11-17 04:24:53,986 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:53,986 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:53,986 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:53,988 INFO L229 MonitoredProcess]: Starting monitored process 34 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:53,989 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Waiting until timeout for monitored process [2024-11-17 04:24:54,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:54,048 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:54,049 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:54,219 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:54,219 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:54,362 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 0 proven. 28 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:54,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1537920682] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:54,362 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:54,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 15 [2024-11-17 04:24:54,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112576684] [2024-11-17 04:24:54,363 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:54,363 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:24:54,363 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:54,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:24:54,364 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=54, Invalid=186, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:24:54,364 INFO L87 Difference]: Start difference. First operand 1332 states and 1798 transitions. Second operand has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 16 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:24:55,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:55,793 INFO L93 Difference]: Finished difference Result 1936 states and 2524 transitions. [2024-11-17 04:24:55,793 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2024-11-17 04:24:55,793 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 16 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 104 [2024-11-17 04:24:55,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:55,801 INFO L225 Difference]: With dead ends: 1936 [2024-11-17 04:24:55,801 INFO L226 Difference]: Without dead ends: 1934 [2024-11-17 04:24:55,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1151 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=935, Invalid=2725, Unknown=0, NotChecked=0, Total=3660 [2024-11-17 04:24:55,803 INFO L432 NwaCegarLoop]: 116 mSDtfsCounter, 2200 mSDsluCounter, 595 mSDsCounter, 0 mSdLazyCounter, 759 mSolverCounterSat, 194 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.8s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2200 SdHoareTripleChecker+Valid, 711 SdHoareTripleChecker+Invalid, 953 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 194 IncrementalHoareTripleChecker+Valid, 759 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:55,803 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2200 Valid, 711 Invalid, 953 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [194 Valid, 759 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-17 04:24:55,805 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1934 states. [2024-11-17 04:24:55,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1934 to 1556. [2024-11-17 04:24:55,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1556 states, 1378 states have (on average 1.3432510885341074) internal successors, (1851), 1423 states have internal predecessors, (1851), 134 states have call successors, (134), 6 states have call predecessors, (134), 6 states have return successors, (134), 126 states have call predecessors, (134), 134 states have call successors, (134) [2024-11-17 04:24:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1556 states and 2119 transitions. [2024-11-17 04:24:55,888 INFO L78 Accepts]: Start accepts. Automaton has 1556 states and 2119 transitions. Word has length 104 [2024-11-17 04:24:55,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:55,888 INFO L471 AbstractCegarLoop]: Abstraction has 1556 states and 2119 transitions. [2024-11-17 04:24:55,888 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 13.066666666666666) internal successors, (196), 16 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:24:55,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 2119 transitions. [2024-11-17 04:24:55,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2024-11-17 04:24:55,889 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:55,889 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:55,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Ended with exit code 0 [2024-11-17 04:24:56,090 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 34 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable39 [2024-11-17 04:24:56,090 INFO L396 AbstractCegarLoop]: === Iteration 41 === Targeting ULTIMATE.startErr36ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:56,090 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:56,091 INFO L85 PathProgramCache]: Analyzing trace with hash -212931137, now seen corresponding path program 1 times [2024-11-17 04:24:56,091 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:56,091 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337629838] [2024-11-17 04:24:56,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:56,091 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:56,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,193 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:56,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,195 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:56,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,200 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:56,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,204 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,206 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:24:56,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:24:56,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,213 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:24:56,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,215 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:56,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:56,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337629838] [2024-11-17 04:24:56,216 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337629838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:56,217 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [25921108] [2024-11-17 04:24:56,217 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:56,217 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:56,217 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:56,219 INFO L229 MonitoredProcess]: Starting monitored process 35 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:56,220 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Waiting until timeout for monitored process [2024-11-17 04:24:56,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:56,272 INFO L255 TraceCheckSpWp]: Trace formula consists of 179 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:24:56,274 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:56,492 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:56,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:56,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [25921108] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:56,632 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:56,633 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 10 [2024-11-17 04:24:56,633 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1472674672] [2024-11-17 04:24:56,633 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:56,633 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:24:56,633 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:56,634 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:24:56,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:24:56,634 INFO L87 Difference]: Start difference. First operand 1556 states and 2119 transitions. Second operand has 11 states, 10 states have (on average 19.6) internal successors, (196), 11 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:24:57,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:57,339 INFO L93 Difference]: Finished difference Result 1696 states and 2239 transitions. [2024-11-17 04:24:57,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:24:57,339 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 19.6) internal successors, (196), 11 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) Word has length 104 [2024-11-17 04:24:57,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:57,348 INFO L225 Difference]: With dead ends: 1696 [2024-11-17 04:24:57,348 INFO L226 Difference]: Without dead ends: 1695 [2024-11-17 04:24:57,349 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 217 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=131, Invalid=249, Unknown=0, NotChecked=0, Total=380 [2024-11-17 04:24:57,349 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 1159 mSDsluCounter, 433 mSDsCounter, 0 mSdLazyCounter, 471 mSolverCounterSat, 92 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1165 SdHoareTripleChecker+Valid, 534 SdHoareTripleChecker+Invalid, 563 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 92 IncrementalHoareTripleChecker+Valid, 471 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:57,350 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1165 Valid, 534 Invalid, 563 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [92 Valid, 471 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:24:57,355 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1695 states. [2024-11-17 04:24:57,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1695 to 1581. [2024-11-17 04:24:57,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1581 states, 1400 states have (on average 1.3385714285714285) internal successors, (1874), 1445 states have internal predecessors, (1874), 137 states have call successors, (137), 6 states have call predecessors, (137), 6 states have return successors, (137), 129 states have call predecessors, (137), 137 states have call successors, (137) [2024-11-17 04:24:57,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1581 states and 2148 transitions. [2024-11-17 04:24:57,433 INFO L78 Accepts]: Start accepts. Automaton has 1581 states and 2148 transitions. Word has length 104 [2024-11-17 04:24:57,433 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:57,433 INFO L471 AbstractCegarLoop]: Abstraction has 1581 states and 2148 transitions. [2024-11-17 04:24:57,434 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 19.6) internal successors, (196), 11 states have internal predecessors, (196), 9 states have call successors, (24), 1 states have call predecessors, (24), 1 states have return successors, (24), 9 states have call predecessors, (24), 9 states have call successors, (24) [2024-11-17 04:24:57,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1581 states and 2148 transitions. [2024-11-17 04:24:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2024-11-17 04:24:57,434 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:57,435 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:57,452 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (35)] Ended with exit code 0 [2024-11-17 04:24:57,635 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable40,35 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:57,635 INFO L396 AbstractCegarLoop]: === Iteration 42 === Targeting ULTIMATE.startErr35ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:57,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:57,636 INFO L85 PathProgramCache]: Analyzing trace with hash 1531609277, now seen corresponding path program 1 times [2024-11-17 04:24:57,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:57,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1869965002] [2024-11-17 04:24:57,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:57,636 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:57,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,712 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,714 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:57,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,715 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:57,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,718 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,721 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,723 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:24:57,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,727 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:24:57,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:24:57,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,736 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:57,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:57,736 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1869965002] [2024-11-17 04:24:57,736 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1869965002] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:57,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [697514492] [2024-11-17 04:24:57,737 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:57,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:57,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:57,739 INFO L229 MonitoredProcess]: Starting monitored process 36 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:57,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Waiting until timeout for monitored process [2024-11-17 04:24:57,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:57,793 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:57,795 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:57,950 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:57,950 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:58,059 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:58,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [697514492] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:58,060 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:58,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-17 04:24:58,060 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [203306798] [2024-11-17 04:24:58,060 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:58,060 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:58,060 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:58,061 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:58,061 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:58,061 INFO L87 Difference]: Start difference. First operand 1581 states and 2148 transitions. Second operand has 8 states, 7 states have (on average 28.571428571428573) internal successors, (200), 8 states have internal predecessors, (200), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-17 04:24:58,777 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:24:58,777 INFO L93 Difference]: Finished difference Result 2079 states and 2855 transitions. [2024-11-17 04:24:58,778 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:24:58,778 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 28.571428571428573) internal successors, (200), 8 states have internal predecessors, (200), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 106 [2024-11-17 04:24:58,778 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:24:58,782 INFO L225 Difference]: With dead ends: 2079 [2024-11-17 04:24:58,783 INFO L226 Difference]: Without dead ends: 2077 [2024-11-17 04:24:58,783 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 223 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:24:58,783 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 285 mSDsluCounter, 318 mSDsCounter, 0 mSdLazyCounter, 447 mSolverCounterSat, 20 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 292 SdHoareTripleChecker+Valid, 395 SdHoareTripleChecker+Invalid, 467 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 20 IncrementalHoareTripleChecker+Valid, 447 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:24:58,784 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [292 Valid, 395 Invalid, 467 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [20 Valid, 447 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:24:58,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2077 states. [2024-11-17 04:24:58,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2077 to 1793. [2024-11-17 04:24:58,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1793 states, 1594 states have (on average 1.3431618569636135) internal successors, (2141), 1639 states have internal predecessors, (2141), 155 states have call successors, (155), 6 states have call predecessors, (155), 6 states have return successors, (155), 147 states have call predecessors, (155), 155 states have call successors, (155) [2024-11-17 04:24:58,881 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1793 states and 2451 transitions. [2024-11-17 04:24:58,882 INFO L78 Accepts]: Start accepts. Automaton has 1793 states and 2451 transitions. Word has length 106 [2024-11-17 04:24:58,882 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:24:58,882 INFO L471 AbstractCegarLoop]: Abstraction has 1793 states and 2451 transitions. [2024-11-17 04:24:58,882 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 28.571428571428573) internal successors, (200), 8 states have internal predecessors, (200), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-17 04:24:58,882 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2451 transitions. [2024-11-17 04:24:58,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:24:58,884 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:24:58,884 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:24:58,895 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (36)] Forceful destruction successful, exit code 0 [2024-11-17 04:24:59,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 36 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable41 [2024-11-17 04:24:59,084 INFO L396 AbstractCegarLoop]: === Iteration 43 === Targeting ULTIMATE.startErr27ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:24:59,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:24:59,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1806806035, now seen corresponding path program 1 times [2024-11-17 04:24:59,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:24:59,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [341635291] [2024-11-17 04:24:59,085 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:59,085 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:24:59,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:24:59,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:24:59,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:24:59,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,163 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:24:59,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,165 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:24:59,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,168 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:24:59,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:24:59,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:24:59,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,175 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:59,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:24:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [341635291] [2024-11-17 04:24:59,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [341635291] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:24:59,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1439865820] [2024-11-17 04:24:59,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:24:59,176 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:24:59,177 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:24:59,178 INFO L229 MonitoredProcess]: Starting monitored process 37 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:24:59,180 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Waiting until timeout for monitored process [2024-11-17 04:24:59,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:24:59,233 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:24:59,235 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:24:59,432 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:59,433 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:24:59,560 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 0 proven. 35 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:24:59,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1439865820] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:24:59,561 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:24:59,561 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 7 [2024-11-17 04:24:59,561 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1307901909] [2024-11-17 04:24:59,561 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:24:59,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:24:59,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:24:59,562 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:24:59,562 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=31, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:24:59,562 INFO L87 Difference]: Start difference. First operand 1793 states and 2451 transitions. Second operand has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-17 04:25:00,273 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:00,273 INFO L93 Difference]: Finished difference Result 2425 states and 3359 transitions. [2024-11-17 04:25:00,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:25:00,274 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) Word has length 109 [2024-11-17 04:25:00,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:00,278 INFO L225 Difference]: With dead ends: 2425 [2024-11-17 04:25:00,278 INFO L226 Difference]: Without dead ends: 2423 [2024-11-17 04:25:00,279 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 236 GetRequests, 229 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=33, Invalid=39, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:00,279 INFO L432 NwaCegarLoop]: 87 mSDtfsCounter, 334 mSDsluCounter, 267 mSDsCounter, 0 mSdLazyCounter, 393 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 343 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 416 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 393 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:00,279 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [343 Valid, 354 Invalid, 416 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 393 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:25:00,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2423 states. [2024-11-17 04:25:00,394 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2423 to 2045. [2024-11-17 04:25:00,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2045 states, 1825 states have (on average 1.3435616438356164) internal successors, (2452), 1870 states have internal predecessors, (2452), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 168 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-17 04:25:00,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2045 states to 2045 states and 2804 transitions. [2024-11-17 04:25:00,400 INFO L78 Accepts]: Start accepts. Automaton has 2045 states and 2804 transitions. Word has length 109 [2024-11-17 04:25:00,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:00,401 INFO L471 AbstractCegarLoop]: Abstraction has 2045 states and 2804 transitions. [2024-11-17 04:25:00,401 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 29.857142857142858) internal successors, (209), 8 states have internal predecessors, (209), 7 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 7 states have call predecessors, (20), 7 states have call successors, (20) [2024-11-17 04:25:00,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2045 states and 2804 transitions. [2024-11-17 04:25:00,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2024-11-17 04:25:00,402 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:00,402 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2024-11-17 04:25:00,425 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (37)] Ended with exit code 0 [2024-11-17 04:25:00,602 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable42,37 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:00,603 INFO L396 AbstractCegarLoop]: === Iteration 44 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:00,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:00,603 INFO L85 PathProgramCache]: Analyzing trace with hash -419956002, now seen corresponding path program 1 times [2024-11-17 04:25:00,603 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:00,603 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1157322157] [2024-11-17 04:25:00,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:00,604 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:25:00,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,678 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:25:00,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,679 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-17 04:25:00,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-17 04:25:00,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,682 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-17 04:25:00,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,683 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 73 [2024-11-17 04:25:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,684 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 84 [2024-11-17 04:25:00,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,688 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2024-11-17 04:25:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 103 [2024-11-17 04:25:00,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:00,694 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:25:00,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:00,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1157322157] [2024-11-17 04:25:00,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1157322157] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:25:00,694 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:25:00,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-17 04:25:00,694 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [637371326] [2024-11-17 04:25:00,695 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:25:00,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:00,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:00,695 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:00,695 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:25:00,696 INFO L87 Difference]: Start difference. First operand 2045 states and 2804 transitions. Second operand has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:25:02,759 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:02,759 INFO L93 Difference]: Finished difference Result 2093 states and 2851 transitions. [2024-11-17 04:25:02,759 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:25:02,760 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) Word has length 116 [2024-11-17 04:25:02,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:02,763 INFO L225 Difference]: With dead ends: 2093 [2024-11-17 04:25:02,764 INFO L226 Difference]: Without dead ends: 2075 [2024-11-17 04:25:02,764 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:25:02,764 INFO L432 NwaCegarLoop]: 80 mSDtfsCounter, 255 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 647 mSolverCounterSat, 18 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 260 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 665 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 18 IncrementalHoareTripleChecker+Valid, 647 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.8s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:02,765 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [260 Valid, 245 Invalid, 665 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [18 Valid, 647 Invalid, 0 Unknown, 0 Unchecked, 1.8s Time] [2024-11-17 04:25:02,766 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2075 states. [2024-11-17 04:25:02,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2075 to 2033. [2024-11-17 04:25:02,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2033 states, 1816 states have (on average 1.3403083700440528) internal successors, (2434), 1859 states have internal predecessors, (2434), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-17 04:25:02,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2033 states to 2033 states and 2780 transitions. [2024-11-17 04:25:02,871 INFO L78 Accepts]: Start accepts. Automaton has 2033 states and 2780 transitions. Word has length 116 [2024-11-17 04:25:02,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:02,871 INFO L471 AbstractCegarLoop]: Abstraction has 2033 states and 2780 transitions. [2024-11-17 04:25:02,872 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 15.4) internal successors, (77), 6 states have internal predecessors, (77), 4 states have call successors, (9), 1 states have call predecessors, (9), 1 states have return successors, (9), 4 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-17 04:25:02,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2780 transitions. [2024-11-17 04:25:02,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:25:02,873 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:02,873 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:02,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable43 [2024-11-17 04:25:02,873 INFO L396 AbstractCegarLoop]: === Iteration 45 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:02,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:02,874 INFO L85 PathProgramCache]: Analyzing trace with hash -925962854, now seen corresponding path program 1 times [2024-11-17 04:25:02,874 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:02,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80321886] [2024-11-17 04:25:02,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:02,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:02,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:02,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [702477266] [2024-11-17 04:25:02,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:02,899 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:02,899 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:02,900 INFO L229 MonitoredProcess]: Starting monitored process 38 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:02,901 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Waiting until timeout for monitored process [2024-11-17 04:25:02,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:02,956 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-17 04:25:02,958 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:03,451 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 43 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-17 04:25:03,452 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:03,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:03,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80321886] [2024-11-17 04:25:03,574 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:03,574 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [702477266] [2024-11-17 04:25:03,574 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [702477266] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:03,574 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:03,574 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:25:03,574 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1406362421] [2024-11-17 04:25:03,575 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:03,575 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:25:03,575 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:03,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:25:03,576 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=201, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:25:03,576 INFO L87 Difference]: Start difference. First operand 2033 states and 2780 transitions. Second operand has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:25:04,762 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:04,762 INFO L93 Difference]: Finished difference Result 2115 states and 2895 transitions. [2024-11-17 04:25:04,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-17 04:25:04,763 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 117 [2024-11-17 04:25:04,763 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:04,766 INFO L225 Difference]: With dead ends: 2115 [2024-11-17 04:25:04,766 INFO L226 Difference]: Without dead ends: 2113 [2024-11-17 04:25:04,767 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 110 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=191, Invalid=511, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:25:04,767 INFO L432 NwaCegarLoop]: 74 mSDtfsCounter, 460 mSDsluCounter, 340 mSDsCounter, 0 mSdLazyCounter, 1534 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 466 SdHoareTripleChecker+Valid, 414 SdHoareTripleChecker+Invalid, 1573 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1534 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:04,767 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [466 Valid, 414 Invalid, 1573 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1534 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:25:04,768 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2113 states. [2024-11-17 04:25:04,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2113 to 2054. [2024-11-17 04:25:04,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2054 states, 1834 states have (on average 1.3369683751363142) internal successors, (2452), 1877 states have internal predecessors, (2452), 176 states have call successors, (176), 6 states have call predecessors, (176), 6 states have return successors, (176), 170 states have call predecessors, (176), 176 states have call successors, (176) [2024-11-17 04:25:04,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 2054 states and 2804 transitions. [2024-11-17 04:25:04,874 INFO L78 Accepts]: Start accepts. Automaton has 2054 states and 2804 transitions. Word has length 117 [2024-11-17 04:25:04,875 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:04,875 INFO L471 AbstractCegarLoop]: Abstraction has 2054 states and 2804 transitions. [2024-11-17 04:25:04,875 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.166666666666667) internal successors, (86), 12 states have internal predecessors, (86), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:25:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 2054 states and 2804 transitions. [2024-11-17 04:25:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-17 04:25:04,876 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:04,876 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:04,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (38)] Ended with exit code 0 [2024-11-17 04:25:05,077 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 38 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable44 [2024-11-17 04:25:05,077 INFO L396 AbstractCegarLoop]: === Iteration 46 === Targeting ULTIMATE.startErr55ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:05,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:05,077 INFO L85 PathProgramCache]: Analyzing trace with hash -2064955138, now seen corresponding path program 2 times [2024-11-17 04:25:05,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:05,078 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1510283025] [2024-11-17 04:25:05,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:05,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:05,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:05,089 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1939018736] [2024-11-17 04:25:05,089 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:05,089 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:05,089 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:05,091 INFO L229 MonitoredProcess]: Starting monitored process 39 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:05,093 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Waiting until timeout for monitored process [2024-11-17 04:25:05,150 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:05,150 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:05,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-17 04:25:05,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:05,720 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 21 proven. 37 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-17 04:25:05,720 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:05,825 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:05,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1510283025] [2024-11-17 04:25:05,826 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:05,826 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1939018736] [2024-11-17 04:25:05,826 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1939018736] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:05,826 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:05,826 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2024-11-17 04:25:05,826 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1777399869] [2024-11-17 04:25:05,826 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:05,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:25:05,827 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:05,827 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:25:05,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=243, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:25:05,827 INFO L87 Difference]: Start difference. First operand 2054 states and 2804 transitions. Second operand has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:25:07,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:07,146 INFO L93 Difference]: Finished difference Result 2124 states and 2893 transitions. [2024-11-17 04:25:07,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:25:07,147 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) Word has length 117 [2024-11-17 04:25:07,147 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:07,150 INFO L225 Difference]: With dead ends: 2124 [2024-11-17 04:25:07,150 INFO L226 Difference]: Without dead ends: 2120 [2024-11-17 04:25:07,151 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 145 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 101 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=182, Invalid=630, Unknown=0, NotChecked=0, Total=812 [2024-11-17 04:25:07,152 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 438 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 1903 mSolverCounterSat, 39 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 444 SdHoareTripleChecker+Valid, 680 SdHoareTripleChecker+Invalid, 1942 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 39 IncrementalHoareTripleChecker+Valid, 1903 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:07,152 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [444 Valid, 680 Invalid, 1942 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [39 Valid, 1903 Invalid, 0 Unknown, 0 Unchecked, 1.1s Time] [2024-11-17 04:25:07,153 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2120 states. [2024-11-17 04:25:07,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2120 to 2074. [2024-11-17 04:25:07,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1852 states have (on average 1.3336933045356372) internal successors, (2470), 1895 states have internal predecessors, (2470), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 172 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-17 04:25:07,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2826 transitions. [2024-11-17 04:25:07,290 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2826 transitions. Word has length 117 [2024-11-17 04:25:07,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:07,290 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2826 transitions. [2024-11-17 04:25:07,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 6.357142857142857) internal successors, (89), 14 states have internal predecessors, (89), 5 states have call successors, (8), 1 states have call predecessors, (8), 3 states have return successors, (8), 3 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-17 04:25:07,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2826 transitions. [2024-11-17 04:25:07,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:25:07,295 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:07,295 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:07,308 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (39)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:07,495 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 39 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable45 [2024-11-17 04:25:07,496 INFO L396 AbstractCegarLoop]: === Iteration 47 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:07,496 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:07,496 INFO L85 PathProgramCache]: Analyzing trace with hash 1359922696, now seen corresponding path program 1 times [2024-11-17 04:25:07,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:07,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131595958] [2024-11-17 04:25:07,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:07,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:07,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:07,507 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1681551924] [2024-11-17 04:25:07,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:07,508 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:07,508 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:07,510 INFO L229 MonitoredProcess]: Starting monitored process 40 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:07,514 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Waiting until timeout for monitored process [2024-11-17 04:25:07,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:07,564 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-17 04:25:07,566 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:08,029 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-17 04:25:08,029 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:09,978 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:09,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131595958] [2024-11-17 04:25:09,979 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:09,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681551924] [2024-11-17 04:25:09,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681551924] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:09,979 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:09,979 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2024-11-17 04:25:09,979 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [856671463] [2024-11-17 04:25:09,979 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:09,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:25:09,979 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:09,980 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:25:09,980 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=82, Invalid=189, Unknown=1, NotChecked=0, Total=272 [2024-11-17 04:25:09,981 INFO L87 Difference]: Start difference. First operand 2074 states and 2826 transitions. Second operand has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:25:10,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:10,695 INFO L93 Difference]: Finished difference Result 2093 states and 2841 transitions. [2024-11-17 04:25:10,695 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:25:10,695 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 118 [2024-11-17 04:25:10,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:10,699 INFO L225 Difference]: With dead ends: 2093 [2024-11-17 04:25:10,699 INFO L226 Difference]: Without dead ends: 2091 [2024-11-17 04:25:10,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 144 GetRequests, 121 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 92 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=196, Invalid=403, Unknown=1, NotChecked=0, Total=600 [2024-11-17 04:25:10,700 INFO L432 NwaCegarLoop]: 63 mSDtfsCounter, 396 mSDsluCounter, 243 mSDsCounter, 0 mSdLazyCounter, 758 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 402 SdHoareTripleChecker+Valid, 306 SdHoareTripleChecker+Invalid, 786 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 758 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:10,700 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [402 Valid, 306 Invalid, 786 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 758 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:10,701 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2091 states. [2024-11-17 04:25:10,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2091 to 2074. [2024-11-17 04:25:10,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1852 states have (on average 1.3326133909287257) internal successors, (2468), 1895 states have internal predecessors, (2468), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 172 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-17 04:25:10,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2824 transitions. [2024-11-17 04:25:10,873 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2824 transitions. Word has length 118 [2024-11-17 04:25:10,873 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:10,873 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2824 transitions. [2024-11-17 04:25:10,873 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 7.25) internal successors, (87), 12 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:25:10,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2824 transitions. [2024-11-17 04:25:10,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2024-11-17 04:25:10,875 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:10,876 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:10,899 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (40)] Ended with exit code 0 [2024-11-17 04:25:11,076 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 40 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable46 [2024-11-17 04:25:11,077 INFO L396 AbstractCegarLoop]: === Iteration 48 === Targeting ULTIMATE.startErr54ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:11,077 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:11,077 INFO L85 PathProgramCache]: Analyzing trace with hash 410900260, now seen corresponding path program 2 times [2024-11-17 04:25:11,077 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:11,077 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1685027281] [2024-11-17 04:25:11,077 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:11,078 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:11,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:11,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [692515448] [2024-11-17 04:25:11,093 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:11,093 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:11,093 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:11,095 INFO L229 MonitoredProcess]: Starting monitored process 41 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:11,097 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Waiting until timeout for monitored process [2024-11-17 04:25:11,154 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:11,154 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:11,159 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:25:11,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:11,530 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 9 proven. 48 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-17 04:25:11,530 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:12,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:12,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1685027281] [2024-11-17 04:25:12,103 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:12,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [692515448] [2024-11-17 04:25:12,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [692515448] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:12,103 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:12,103 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:25:12,103 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1591480893] [2024-11-17 04:25:12,103 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:12,104 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:25:12,104 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:12,104 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:25:12,104 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=68, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:25:12,104 INFO L87 Difference]: Start difference. First operand 2074 states and 2824 transitions. Second operand has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:25:12,784 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:12,784 INFO L93 Difference]: Finished difference Result 2101 states and 2848 transitions. [2024-11-17 04:25:12,784 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:25:12,784 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) Word has length 118 [2024-11-17 04:25:12,785 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:12,789 INFO L225 Difference]: With dead ends: 2101 [2024-11-17 04:25:12,789 INFO L226 Difference]: Without dead ends: 2099 [2024-11-17 04:25:12,789 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 139 GetRequests, 128 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:25:12,790 INFO L432 NwaCegarLoop]: 67 mSDtfsCounter, 190 mSDsluCounter, 287 mSDsCounter, 0 mSdLazyCounter, 615 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 196 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 631 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 615 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:12,790 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [196 Valid, 354 Invalid, 631 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 615 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:25:12,791 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2099 states. [2024-11-17 04:25:12,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2099 to 2074. [2024-11-17 04:25:12,938 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2074 states, 1852 states have (on average 1.3315334773218142) internal successors, (2466), 1895 states have internal predecessors, (2466), 178 states have call successors, (178), 6 states have call predecessors, (178), 6 states have return successors, (178), 172 states have call predecessors, (178), 178 states have call successors, (178) [2024-11-17 04:25:12,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2074 states to 2074 states and 2822 transitions. [2024-11-17 04:25:12,943 INFO L78 Accepts]: Start accepts. Automaton has 2074 states and 2822 transitions. Word has length 118 [2024-11-17 04:25:12,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:12,943 INFO L471 AbstractCegarLoop]: Abstraction has 2074 states and 2822 transitions. [2024-11-17 04:25:12,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 12.428571428571429) internal successors, (87), 8 states have internal predecessors, (87), 4 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 3 states have call predecessors, (8), 4 states have call successors, (8) [2024-11-17 04:25:12,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2074 states and 2822 transitions. [2024-11-17 04:25:12,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-17 04:25:12,945 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:12,945 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:12,961 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (41)] Forceful destruction successful, exit code 0 [2024-11-17 04:25:13,146 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 41 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable47 [2024-11-17 04:25:13,147 INFO L396 AbstractCegarLoop]: === Iteration 49 === Targeting ULTIMATE.startErr53ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:13,147 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:13,147 INFO L85 PathProgramCache]: Analyzing trace with hash -792069288, now seen corresponding path program 1 times [2024-11-17 04:25:13,147 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:13,147 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349497551] [2024-11-17 04:25:13,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:13,148 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:13,164 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2056640566] [2024-11-17 04:25:13,164 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:13,164 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:13,164 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:13,165 INFO L229 MonitoredProcess]: Starting monitored process 42 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:13,167 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Waiting until timeout for monitored process [2024-11-17 04:25:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:13,222 INFO L255 TraceCheckSpWp]: Trace formula consists of 199 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:25:13,223 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:13,559 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 0 proven. 44 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:25:13,559 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:13,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:13,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349497551] [2024-11-17 04:25:13,626 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:13,626 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2056640566] [2024-11-17 04:25:13,626 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2056640566] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:13,626 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:13,626 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:25:13,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [351800423] [2024-11-17 04:25:13,626 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:13,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:25:13,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:13,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:25:13,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:25:13,627 INFO L87 Difference]: Start difference. First operand 2074 states and 2822 transitions. Second operand has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:25:14,438 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:14,438 INFO L93 Difference]: Finished difference Result 2137 states and 2905 transitions. [2024-11-17 04:25:14,439 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:25:14,439 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 119 [2024-11-17 04:25:14,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:14,442 INFO L225 Difference]: With dead ends: 2137 [2024-11-17 04:25:14,443 INFO L226 Difference]: Without dead ends: 2133 [2024-11-17 04:25:14,443 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 132 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=66, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:25:14,443 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 227 mSDsluCounter, 218 mSDsCounter, 0 mSdLazyCounter, 842 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 233 SdHoareTripleChecker+Valid, 353 SdHoareTripleChecker+Invalid, 871 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 842 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.7s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:14,444 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [233 Valid, 353 Invalid, 871 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 842 Invalid, 0 Unknown, 0 Unchecked, 0.7s Time] [2024-11-17 04:25:14,445 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2133 states. [2024-11-17 04:25:14,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2133 to 2031. [2024-11-17 04:25:14,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2031 states, 1818 states have (on average 1.2882288228822882) internal successors, (2342), 1857 states have internal predecessors, (2342), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-17 04:25:14,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2688 transitions. [2024-11-17 04:25:14,578 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2688 transitions. Word has length 119 [2024-11-17 04:25:14,579 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:14,579 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2688 transitions. [2024-11-17 04:25:14,579 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 17.0) internal successors, (85), 6 states have internal predecessors, (85), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:25:14,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2688 transitions. [2024-11-17 04:25:14,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:25:14,580 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:14,580 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:14,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (42)] Ended with exit code 0 [2024-11-17 04:25:14,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 42 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable48 [2024-11-17 04:25:14,783 INFO L396 AbstractCegarLoop]: === Iteration 50 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:14,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:14,784 INFO L85 PathProgramCache]: Analyzing trace with hash 1215655942, now seen corresponding path program 1 times [2024-11-17 04:25:14,784 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:14,784 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229459128] [2024-11-17 04:25:14,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:14,784 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:14,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:14,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1094233399] [2024-11-17 04:25:14,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:14,800 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:14,800 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:14,802 INFO L229 MonitoredProcess]: Starting monitored process 43 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:14,804 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Waiting until timeout for monitored process [2024-11-17 04:25:14,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:25:14,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:25:14,854 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:15,190 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:25:15,191 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:16,856 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229459128] [2024-11-17 04:25:16,856 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:16,856 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1094233399] [2024-11-17 04:25:16,856 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1094233399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:25:16,856 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:25:16,856 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2024-11-17 04:25:16,856 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [901695990] [2024-11-17 04:25:16,856 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:16,857 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:25:16,857 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:16,857 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:25:16,857 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-17 04:25:16,857 INFO L87 Difference]: Start difference. First operand 2031 states and 2688 transitions. Second operand has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:25:17,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:25:17,460 INFO L93 Difference]: Finished difference Result 2042 states and 2698 transitions. [2024-11-17 04:25:17,460 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:25:17,461 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) Word has length 120 [2024-11-17 04:25:17,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:25:17,464 INFO L225 Difference]: With dead ends: 2042 [2024-11-17 04:25:17,464 INFO L226 Difference]: Without dead ends: 2040 [2024-11-17 04:25:17,465 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=17, Invalid=24, Unknown=1, NotChecked=0, Total=42 [2024-11-17 04:25:17,465 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 81 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 350 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 269 SdHoareTripleChecker+Invalid, 352 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 350 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:25:17,465 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 269 Invalid, 352 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 350 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:25:17,467 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2040 states. [2024-11-17 04:25:17,636 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2040 to 2031. [2024-11-17 04:25:17,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2031 states, 1818 states have (on average 1.2871287128712872) internal successors, (2340), 1857 states have internal predecessors, (2340), 173 states have call successors, (173), 6 states have call predecessors, (173), 6 states have return successors, (173), 167 states have call predecessors, (173), 173 states have call successors, (173) [2024-11-17 04:25:17,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 2031 states and 2686 transitions. [2024-11-17 04:25:17,644 INFO L78 Accepts]: Start accepts. Automaton has 2031 states and 2686 transitions. Word has length 120 [2024-11-17 04:25:17,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:25:17,644 INFO L471 AbstractCegarLoop]: Abstraction has 2031 states and 2686 transitions. [2024-11-17 04:25:17,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 21.5) internal successors, (86), 5 states have internal predecessors, (86), 3 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 3 states have call predecessors, (8), 3 states have call successors, (8) [2024-11-17 04:25:17,645 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2686 transitions. [2024-11-17 04:25:17,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-17 04:25:17,645 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:25:17,645 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:25:17,661 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (43)] Ended with exit code 0 [2024-11-17 04:25:17,846 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 43 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable49 [2024-11-17 04:25:17,846 INFO L396 AbstractCegarLoop]: === Iteration 51 === Targeting ULTIMATE.startErr52ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 55 more)] === [2024-11-17 04:25:17,846 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:25:17,847 INFO L85 PathProgramCache]: Analyzing trace with hash -261838302, now seen corresponding path program 2 times [2024-11-17 04:25:17,847 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:25:17,847 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983234041] [2024-11-17 04:25:17,847 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:25:17,847 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:25:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:25:17,856 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [748251491] [2024-11-17 04:25:17,857 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:25:17,857 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:25:17,857 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:25:17,863 INFO L229 MonitoredProcess]: Starting monitored process 44 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-17 04:25:17,867 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (44)] Waiting until timeout for monitored process [2024-11-17 04:25:17,924 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:25:17,924 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:25:17,925 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:25:17,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:25:18,256 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:25:18,256 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:25:19,233 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2024-11-17 04:25:19,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:25:19,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983234041] [2024-11-17 04:25:19,233 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:25:19,233 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [748251491] [2024-11-17 04:25:19,233 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [748251491] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:25:19,233 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:25:19,233 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2024-11-17 04:25:19,234 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1957232130] [2024-11-17 04:25:19,234 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:25:19,234 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:25:19,234 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:25:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:25:19,234 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=49, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:25:19,235 INFO L87 Difference]: Start difference. First operand 2031 states and 2686 transitions. Second operand has 9 states, 8 states have (on average 20.5) internal successors, (164), 9 states have internal predecessors, (164), 5 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 5 states have call predecessors, (14), 5 states have call successors, (14)