./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.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/mannadiv_valuebound5.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:43:16,387 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:43:16,441 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:43:16,446 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:43:16,447 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:43:16,478 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:43:16,480 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:43:16,480 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:43:16,481 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:43:16,481 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:43:16,481 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:43:16,481 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:43:16,482 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:43:16,482 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:43:16,483 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:43:16,483 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:43:16,485 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:43:16,485 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:43:16,485 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:43:16,487 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:43:16,488 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:43:16,488 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:43:16,488 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:43:16,489 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:43:16,489 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:43:16,489 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:43:16,489 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:43:16,490 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:43:16,490 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:43:16,490 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:43:16,490 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:43:16,490 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:43:16,491 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:43:16,491 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:43:16,491 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:43:16,491 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:43:16,492 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:43:16,492 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:43:16,495 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:43:16,496 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:43:16,496 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:43:16,497 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:43:16,497 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:43:16,497 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:43:16,498 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 4f0dc25e497896e48962fc4f59a3ea4856b5eb0408b9845e68b04a0b0a132067 [2024-11-17 04:43:16,760 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:43:16,792 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:43:16,795 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:43:16,796 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:43:16,797 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:43:16,798 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2024-11-17 04:43:18,297 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:43:18,468 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:43:18,469 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/nla-digbench-scaling/mannadiv_valuebound5.c [2024-11-17 04:43:18,475 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b55c8c72/59630cbe5a4040d5bee2d84150f7cdca/FLAG1b7f9e735 [2024-11-17 04:43:18,488 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/6b55c8c72/59630cbe5a4040d5bee2d84150f7cdca [2024-11-17 04:43:18,491 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:43:18,495 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:43:18,497 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:43:18,497 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:43:18,502 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:43:18,503 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,504 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6167c30 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18, skipping insertion in model container [2024-11-17 04:43:18,504 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,525 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:43:18,723 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:43:18,735 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:43:18,755 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:43:18,773 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:43:18,774 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18 WrapperNode [2024-11-17 04:43:18,774 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:43:18,775 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:43:18,775 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:43:18,775 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:43:18,782 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,789 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,809 INFO L138 Inliner]: procedures = 14, calls = 12, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 68 [2024-11-17 04:43:18,809 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:43:18,810 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:43:18,810 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:43:18,810 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:43:18,820 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,821 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,826 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,839 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 04:43:18,840 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,842 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,845 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,845 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,846 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,847 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,849 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:43:18,850 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:43:18,850 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:43:18,850 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:43:18,851 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (1/1) ... [2024-11-17 04:43:18,860 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:43:18,874 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:18,901 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 04:43:18,908 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 04:43:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:43:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure assume_abort_if_not [2024-11-17 04:43:18,954 INFO L138 BoogieDeclarations]: Found implementation of procedure assume_abort_if_not [2024-11-17 04:43:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:43:18,954 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:43:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:43:18,955 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-17 04:43:18,955 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-17 04:43:19,017 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:43:19,019 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:43:19,302 INFO L? ?]: Removed 45 outVars from TransFormulas that were not future-live. [2024-11-17 04:43:19,306 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:43:19,324 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:43:19,324 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:43:19,324 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:43:19 BoogieIcfgContainer [2024-11-17 04:43:19,324 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:43:19,328 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:43:19,328 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:43:19,332 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:43:19,333 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:43:18" (1/3) ... [2024-11-17 04:43:19,334 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1fffde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:43:19, skipping insertion in model container [2024-11-17 04:43:19,334 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:43:18" (2/3) ... [2024-11-17 04:43:19,335 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d1fffde and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:43:19, skipping insertion in model container [2024-11-17 04:43:19,335 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:43:19" (3/3) ... [2024-11-17 04:43:19,336 INFO L112 eAbstractionObserver]: Analyzing ICFG mannadiv_valuebound5.c [2024-11-17 04:43:19,354 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:43:19,355 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 20 error locations. [2024-11-17 04:43:19,428 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:43:19,435 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;@1c341df3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:43:19,436 INFO L334 AbstractCegarLoop]: Starting to check reachability of 20 error locations. [2024-11-17 04:43:19,441 INFO L276 IsEmpty]: Start isEmpty. Operand has 69 states, 42 states have (on average 1.619047619047619) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:43:19,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-17 04:43:19,448 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:19,449 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:19,450 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:19,454 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:19,455 INFO L85 PathProgramCache]: Analyzing trace with hash 1896484208, now seen corresponding path program 1 times [2024-11-17 04:43:19,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:19,468 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [868521716] [2024-11-17 04:43:19,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:19,468 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:19,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:19,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,651 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 04:43:19,652 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:19,652 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [868521716] [2024-11-17 04:43:19,653 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [868521716] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:19,653 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:19,653 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:43:19,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [142435610] [2024-11-17 04:43:19,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:19,659 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-17 04:43:19,660 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:19,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-17 04:43:19,685 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-17 04:43:19,688 INFO L87 Difference]: Start difference. First operand has 69 states, 42 states have (on average 1.619047619047619) internal successors, (68), 62 states have internal predecessors, (68), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) Second operand has 2 states, 2 states have (on average 4.0) internal successors, (8), 2 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 04:43:19,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:19,714 INFO L93 Difference]: Finished difference Result 134 states and 151 transitions. [2024-11-17 04:43:19,715 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-17 04:43:19,717 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), 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 04:43:19,717 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:19,725 INFO L225 Difference]: With dead ends: 134 [2024-11-17 04:43:19,725 INFO L226 Difference]: Without dead ends: 62 [2024-11-17 04:43:19,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 6 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 04:43:19,733 INFO L432 NwaCegarLoop]: 71 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, 71 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 04:43:19,735 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:43:19,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 62 states. [2024-11-17 04:43:19,776 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 62 to 62. [2024-11-17 04:43:19,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 62 states, 37 states have (on average 1.5675675675675675) internal successors, (58), 56 states have internal predecessors, (58), 3 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:43:19,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 62 states and 64 transitions. [2024-11-17 04:43:19,783 INFO L78 Accepts]: Start accepts. Automaton has 62 states and 64 transitions. Word has length 15 [2024-11-17 04:43:19,785 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:19,785 INFO L471 AbstractCegarLoop]: Abstraction has 62 states and 64 transitions. [2024-11-17 04:43:19,786 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), 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 04:43:19,786 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 64 transitions. [2024-11-17 04:43:19,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-17 04:43:19,788 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:19,788 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:19,788 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:43:19,789 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:19,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:19,790 INFO L85 PathProgramCache]: Analyzing trace with hash -1338531272, now seen corresponding path program 1 times [2024-11-17 04:43:19,790 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:19,791 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [295870357] [2024-11-17 04:43:19,791 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:19,792 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:19,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:19,833 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [785759888] [2024-11-17 04:43:19,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:19,834 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:19,835 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:19,837 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 04:43:19,838 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 04:43:19,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:19,903 INFO L255 TraceCheckSpWp]: Trace formula consists of 52 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:43:19,910 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:19,976 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 04:43:19,976 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:19,976 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:19,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [295870357] [2024-11-17 04:43:19,977 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:19,977 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [785759888] [2024-11-17 04:43:19,977 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [785759888] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:19,977 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:19,978 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:43:19,978 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67822185] [2024-11-17 04:43:19,978 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:19,979 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:43:19,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:19,986 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:43:19,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:43:19,986 INFO L87 Difference]: Start difference. First operand 62 states and 64 transitions. Second operand has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 04:43:20,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:20,200 INFO L93 Difference]: Finished difference Result 100 states and 110 transitions. [2024-11-17 04:43:20,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:43:20,201 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 16 [2024-11-17 04:43:20,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:20,203 INFO L225 Difference]: With dead ends: 100 [2024-11-17 04:43:20,203 INFO L226 Difference]: Without dead ends: 94 [2024-11-17 04:43:20,204 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 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 04:43:20,205 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 29 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 84 SdHoareTripleChecker+Invalid, 48 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:20,206 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 84 Invalid, 48 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:20,207 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2024-11-17 04:43:20,217 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 85. [2024-11-17 04:43:20,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 85 states, 59 states have (on average 1.5593220338983051) internal successors, (92), 78 states have internal predecessors, (92), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-17 04:43:20,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 100 transitions. [2024-11-17 04:43:20,223 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 100 transitions. Word has length 16 [2024-11-17 04:43:20,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:20,223 INFO L471 AbstractCegarLoop]: Abstraction has 85 states and 100 transitions. [2024-11-17 04:43:20,223 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 4.5) internal successors, (9), 3 states have internal predecessors, (9), 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 04:43:20,223 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 100 transitions. [2024-11-17 04:43:20,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-17 04:43:20,224 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:20,224 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:20,242 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 04:43:20,429 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:20,430 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:20,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:20,431 INFO L85 PathProgramCache]: Analyzing trace with hash -2133330282, now seen corresponding path program 1 times [2024-11-17 04:43:20,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:20,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514552647] [2024-11-17 04:43:20,432 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:20,432 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:20,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,569 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:20,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,574 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 04:43:20,574 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:20,575 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514552647] [2024-11-17 04:43:20,575 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514552647] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:20,575 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:20,575 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:20,576 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648332647] [2024-11-17 04:43:20,576 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:20,576 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:20,576 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:20,577 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:20,577 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:20,577 INFO L87 Difference]: Start difference. First operand 85 states and 100 transitions. Second operand has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 04:43:20,817 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:20,817 INFO L93 Difference]: Finished difference Result 133 states and 165 transitions. [2024-11-17 04:43:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:20,823 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 18 [2024-11-17 04:43:20,823 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:20,824 INFO L225 Difference]: With dead ends: 133 [2024-11-17 04:43:20,825 INFO L226 Difference]: Without dead ends: 126 [2024-11-17 04:43:20,825 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 04:43:20,826 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 103 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:20,830 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 103 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:20,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 126 states. [2024-11-17 04:43:20,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 126 to 120. [2024-11-17 04:43:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 92 states have (on average 1.5) internal successors, (138), 111 states have internal predecessors, (138), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 150 transitions. [2024-11-17 04:43:20,846 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 150 transitions. Word has length 18 [2024-11-17 04:43:20,847 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:20,847 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 150 transitions. [2024-11-17 04:43:20,847 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.6666666666666665) internal successors, (11), 4 states have internal predecessors, (11), 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 04:43:20,847 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 150 transitions. [2024-11-17 04:43:20,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:43:20,848 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:20,848 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:20,848 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-17 04:43:20,848 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:20,849 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:20,849 INFO L85 PathProgramCache]: Analyzing trace with hash -1708729287, now seen corresponding path program 1 times [2024-11-17 04:43:20,849 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:20,850 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1244192571] [2024-11-17 04:43:20,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:20,850 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:20,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:20,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:20,965 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 04:43:20,965 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:20,965 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1244192571] [2024-11-17 04:43:20,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1244192571] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:20,966 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:20,966 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:20,966 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [604643334] [2024-11-17 04:43:20,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:20,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:20,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:20,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:20,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:20,968 INFO L87 Difference]: Start difference. First operand 120 states and 150 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 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 04:43:21,301 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:21,302 INFO L93 Difference]: Finished difference Result 128 states and 153 transitions. [2024-11-17 04:43:21,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:21,303 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 04:43:21,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:21,304 INFO L225 Difference]: With dead ends: 128 [2024-11-17 04:43:21,304 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:43:21,305 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 5 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 04:43:21,306 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 23 mSDsluCounter, 61 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 107 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:21,306 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 107 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:21,307 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:43:21,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2024-11-17 04:43:21,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.471264367816092) internal successors, (128), 106 states have internal predecessors, (128), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:21,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 140 transitions. [2024-11-17 04:43:21,328 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 140 transitions. Word has length 19 [2024-11-17 04:43:21,328 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:21,328 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 140 transitions. [2024-11-17 04:43:21,328 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 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 04:43:21,329 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 140 transitions. [2024-11-17 04:43:21,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-17 04:43:21,329 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:21,330 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:21,330 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:43:21,330 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:21,331 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:21,331 INFO L85 PathProgramCache]: Analyzing trace with hash -1431000332, now seen corresponding path program 1 times [2024-11-17 04:43:21,331 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:21,331 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2049068154] [2024-11-17 04:43:21,331 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:21,332 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:21,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,510 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:21,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:21,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,544 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:21,544 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:21,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2049068154] [2024-11-17 04:43:21,545 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2049068154] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:21,545 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1960649887] [2024-11-17 04:43:21,545 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:21,545 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:21,546 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:21,547 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 04:43:21,549 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 04:43:21,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:21,586 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:21,588 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:21,732 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 04:43:21,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:21,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1960649887] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:21,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:21,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 8 [2024-11-17 04:43:21,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [392651048] [2024-11-17 04:43:21,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:21,734 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:21,734 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:21,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:21,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:21,735 INFO L87 Difference]: Start difference. First operand 115 states and 140 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 04:43:21,870 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:21,871 INFO L93 Difference]: Finished difference Result 120 states and 146 transitions. [2024-11-17 04:43:21,871 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:21,871 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 20 [2024-11-17 04:43:21,872 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:21,873 INFO L225 Difference]: With dead ends: 120 [2024-11-17 04:43:21,873 INFO L226 Difference]: Without dead ends: 119 [2024-11-17 04:43:21,874 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=20, Invalid=70, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:21,875 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 82 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 69 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 83 SdHoareTripleChecker+Valid, 68 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 69 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:21,876 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [83 Valid, 68 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 69 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:21,878 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2024-11-17 04:43:21,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 115. [2024-11-17 04:43:21,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.4597701149425288) internal successors, (127), 106 states have internal predecessors, (127), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:21,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 139 transitions. [2024-11-17 04:43:21,891 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 139 transitions. Word has length 20 [2024-11-17 04:43:21,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:21,891 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 139 transitions. [2024-11-17 04:43:21,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 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 04:43:21,892 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 139 transitions. [2024-11-17 04:43:21,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-17 04:43:21,892 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:21,892 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 04:43:21,906 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:43:22,093 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:22,094 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:22,094 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:22,094 INFO L85 PathProgramCache]: Analyzing trace with hash -1411337321, now seen corresponding path program 1 times [2024-11-17 04:43:22,094 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:22,095 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139085869] [2024-11-17 04:43:22,095 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:22,095 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:22,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:22,107 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [957364901] [2024-11-17 04:43:22,107 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:22,107 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:22,107 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:22,109 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 04:43:22,110 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 04:43:22,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,165 INFO L255 TraceCheckSpWp]: Trace formula consists of 57 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:22,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:22,249 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 04:43:22,250 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:22,250 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139085869] [2024-11-17 04:43:22,250 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:22,250 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [957364901] [2024-11-17 04:43:22,251 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [957364901] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:22,251 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:22,251 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:22,251 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923127103] [2024-11-17 04:43:22,252 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:22,252 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:22,252 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:22,253 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:22,253 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:22,253 INFO L87 Difference]: Start difference. First operand 115 states and 139 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 04:43:22,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:22,422 INFO L93 Difference]: Finished difference Result 117 states and 140 transitions. [2024-11-17 04:43:22,422 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:22,422 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 04:43:22,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:22,423 INFO L225 Difference]: With dead ends: 117 [2024-11-17 04:43:22,423 INFO L226 Difference]: Without dead ends: 116 [2024-11-17 04:43:22,423 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 18 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 04:43:22,424 INFO L432 NwaCegarLoop]: 49 mSDtfsCounter, 73 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:22,425 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 74 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:22,425 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-17 04:43:22,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 115. [2024-11-17 04:43:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 115 states, 87 states have (on average 1.4482758620689655) internal successors, (126), 106 states have internal predecessors, (126), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-17 04:43:22,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 115 states to 115 states and 138 transitions. [2024-11-17 04:43:22,438 INFO L78 Accepts]: Start accepts. Automaton has 115 states and 138 transitions. Word has length 21 [2024-11-17 04:43:22,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:22,439 INFO L471 AbstractCegarLoop]: Abstraction has 115 states and 138 transitions. [2024-11-17 04:43:22,439 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 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 04:43:22,439 INFO L276 IsEmpty]: Start isEmpty. Operand 115 states and 138 transitions. [2024-11-17 04:43:22,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-17 04:43:22,440 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:22,440 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 04:43:22,464 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:22,647 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:22,648 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:22,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:22,649 INFO L85 PathProgramCache]: Analyzing trace with hash -38340464, now seen corresponding path program 1 times [2024-11-17 04:43:22,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:22,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [227421663] [2024-11-17 04:43:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:22,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:22,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,774 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:22,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:22,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:22,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,817 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:22,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [227421663] [2024-11-17 04:43:22,818 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [227421663] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:22,818 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310788755] [2024-11-17 04:43:22,818 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:22,822 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:22,822 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:22,823 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 04:43:22,828 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 04:43:22,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:22,876 INFO L255 TraceCheckSpWp]: Trace formula consists of 78 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:22,878 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:22,917 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:22,917 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:23,010 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:23,010 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310788755] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:23,010 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:23,010 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 8 [2024-11-17 04:43:23,011 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046796019] [2024-11-17 04:43:23,011 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:23,011 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:23,011 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:23,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:23,012 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:23,012 INFO L87 Difference]: Start difference. First operand 115 states and 138 transitions. Second operand has 9 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:23,129 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:23,129 INFO L93 Difference]: Finished difference Result 177 states and 214 transitions. [2024-11-17 04:43:23,129 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:23,129 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 34 [2024-11-17 04:43:23,130 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:23,131 INFO L225 Difference]: With dead ends: 177 [2024-11-17 04:43:23,131 INFO L226 Difference]: Without dead ends: 175 [2024-11-17 04:43:23,131 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=31, Invalid=79, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:23,132 INFO L432 NwaCegarLoop]: 46 mSDtfsCounter, 137 mSDsluCounter, 188 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 138 SdHoareTripleChecker+Valid, 234 SdHoareTripleChecker+Invalid, 107 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:23,132 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [138 Valid, 234 Invalid, 107 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:23,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 175 states. [2024-11-17 04:43:23,149 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 175 to 165. [2024-11-17 04:43:23,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 135 states have (on average 1.4296296296296296) internal successors, (193), 154 states have internal predecessors, (193), 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 04:43:23,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 209 transitions. [2024-11-17 04:43:23,156 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 209 transitions. Word has length 34 [2024-11-17 04:43:23,156 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:23,158 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 209 transitions. [2024-11-17 04:43:23,158 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 5.875) internal successors, (47), 7 states have internal predecessors, (47), 5 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:23,158 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 209 transitions. [2024-11-17 04:43:23,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2024-11-17 04:43:23,159 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:23,159 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 04:43:23,181 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 04:43:23,360 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:23,360 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:23,361 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:23,361 INFO L85 PathProgramCache]: Analyzing trace with hash -1188554401, now seen corresponding path program 1 times [2024-11-17 04:43:23,361 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:23,361 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [387401203] [2024-11-17 04:43:23,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:23,361 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:23,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:23,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:23,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:23,404 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:23,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:23,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:23,412 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 04:43:23,412 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:23,413 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [387401203] [2024-11-17 04:43:23,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [387401203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:23,415 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:43:23,415 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:43:23,415 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31724239] [2024-11-17 04:43:23,415 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:23,416 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:43:23,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:23,416 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:43:23,416 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:43:23,417 INFO L87 Difference]: Start difference. First operand 165 states and 209 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 04:43:23,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:23,461 INFO L93 Difference]: Finished difference Result 165 states and 209 transitions. [2024-11-17 04:43:23,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:43:23,461 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 04:43:23,461 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:23,462 INFO L225 Difference]: With dead ends: 165 [2024-11-17 04:43:23,462 INFO L226 Difference]: Without dead ends: 163 [2024-11-17 04:43:23,463 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 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 04:43:23,463 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 65 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:23,463 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 76 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:43:23,465 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-17 04:43:23,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2024-11-17 04:43:23,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 135 states have (on average 1.3925925925925926) internal successors, (188), 152 states have internal predecessors, (188), 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 04:43:23,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 204 transitions. [2024-11-17 04:43:23,474 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 204 transitions. Word has length 35 [2024-11-17 04:43:23,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:23,474 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 204 transitions. [2024-11-17 04:43:23,474 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 04:43:23,474 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 204 transitions. [2024-11-17 04:43:23,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-17 04:43:23,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:23,475 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:43:23,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-17 04:43:23,475 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr19ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:23,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:23,476 INFO L85 PathProgramCache]: Analyzing trace with hash 1252426759, now seen corresponding path program 1 times [2024-11-17 04:43:23,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:23,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1551734243] [2024-11-17 04:43:23,476 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:23,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:23,489 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1684485410] [2024-11-17 04:43:23,489 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:23,490 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:23,490 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:23,492 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 04:43:23,494 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 04:43:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:23,539 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:23,540 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:23,690 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:23,690 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:23,915 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:23,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1551734243] [2024-11-17 04:43:23,915 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:23,915 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1684485410] [2024-11-17 04:43:23,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1684485410] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:23,916 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:23,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:23,916 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2129205285] [2024-11-17 04:43:23,916 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:23,917 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:23,917 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:23,917 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:23,918 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:23,918 INFO L87 Difference]: Start difference. First operand 163 states and 204 transitions. Second operand has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 04:43:24,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:24,039 INFO L93 Difference]: Finished difference Result 172 states and 209 transitions. [2024-11-17 04:43:24,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:24,040 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 39 [2024-11-17 04:43:24,040 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:24,041 INFO L225 Difference]: With dead ends: 172 [2024-11-17 04:43:24,041 INFO L226 Difference]: Without dead ends: 165 [2024-11-17 04:43:24,042 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 53 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=54, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:24,042 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 84 mSDsluCounter, 19 mSDsCounter, 0 mSdLazyCounter, 103 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 55 SdHoareTripleChecker+Invalid, 113 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 103 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:24,043 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 55 Invalid, 113 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 103 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:24,043 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2024-11-17 04:43:24,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 159. [2024-11-17 04:43:24,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 136 states have (on average 1.2941176470588236) internal successors, (176), 148 states have internal predecessors, (176), 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 04:43:24,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 192 transitions. [2024-11-17 04:43:24,054 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 192 transitions. Word has length 39 [2024-11-17 04:43:24,055 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:24,055 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 192 transitions. [2024-11-17 04:43:24,055 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.0) internal successors, (30), 6 states have internal predecessors, (30), 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 04:43:24,055 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 192 transitions. [2024-11-17 04:43:24,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:43:24,056 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:24,056 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] [2024-11-17 04:43:24,072 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 04:43:24,256 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:24,257 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:24,257 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:24,257 INFO L85 PathProgramCache]: Analyzing trace with hash 170523884, now seen corresponding path program 1 times [2024-11-17 04:43:24,258 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:24,258 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1540544003] [2024-11-17 04:43:24,258 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:24,258 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:24,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:24,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [100143279] [2024-11-17 04:43:24,272 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:24,273 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:24,273 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:24,276 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 04:43:24,278 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 04:43:24,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:24,319 INFO L255 TraceCheckSpWp]: Trace formula consists of 85 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:24,321 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:24,497 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:24,498 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:24,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:24,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1540544003] [2024-11-17 04:43:24,949 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:24,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [100143279] [2024-11-17 04:43:24,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [100143279] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:24,950 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:24,950 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:24,950 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [624779779] [2024-11-17 04:43:24,950 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:24,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:24,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:24,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:24,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:24,951 INFO L87 Difference]: Start difference. First operand 159 states and 192 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 04:43:25,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:25,132 INFO L93 Difference]: Finished difference Result 215 states and 258 transitions. [2024-11-17 04:43:25,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:25,132 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 40 [2024-11-17 04:43:25,133 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:25,134 INFO L225 Difference]: With dead ends: 215 [2024-11-17 04:43:25,134 INFO L226 Difference]: Without dead ends: 212 [2024-11-17 04:43:25,134 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 47 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=46, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:25,135 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 85 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 139 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 115 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 139 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:25,135 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 115 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 139 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:25,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 212 states. [2024-11-17 04:43:25,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 212 to 203. [2024-11-17 04:43:25,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 178 states have (on average 1.2808988764044944) internal successors, (228), 190 states have internal predecessors, (228), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:25,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 248 transitions. [2024-11-17 04:43:25,148 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 248 transitions. Word has length 40 [2024-11-17 04:43:25,148 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:25,148 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 248 transitions. [2024-11-17 04:43:25,148 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 04:43:25,149 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 248 transitions. [2024-11-17 04:43:25,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:43:25,150 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:25,150 INFO L215 NwaCegarLoop]: trace histogram [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 04:43:25,167 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:43:25,350 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:25,351 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:25,351 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:25,351 INFO L85 PathProgramCache]: Analyzing trace with hash -1709471164, now seen corresponding path program 1 times [2024-11-17 04:43:25,351 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:25,351 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [198347051] [2024-11-17 04:43:25,352 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:25,352 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:25,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:25,430 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:25,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:25,432 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:25,436 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:25,444 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:25,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [198347051] [2024-11-17 04:43:25,446 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [198347051] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:25,446 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2101106356] [2024-11-17 04:43:25,447 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:25,447 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:25,447 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:25,449 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 04:43:25,450 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 04:43:25,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:25,490 INFO L255 TraceCheckSpWp]: Trace formula consists of 83 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-17 04:43:25,491 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:25,631 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:25,631 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-17 04:43:25,632 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2101106356] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:43:25,632 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:25,632 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 7 [2024-11-17 04:43:25,632 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1101883213] [2024-11-17 04:43:25,632 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:43:25,632 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:43:25,632 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:25,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:43:25,633 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:43:25,633 INFO L87 Difference]: Start difference. First operand 203 states and 248 transitions. Second operand has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 04:43:25,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:25,810 INFO L93 Difference]: Finished difference Result 205 states and 250 transitions. [2024-11-17 04:43:25,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:25,812 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 41 [2024-11-17 04:43:25,812 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:25,814 INFO L225 Difference]: With dead ends: 205 [2024-11-17 04:43:25,814 INFO L226 Difference]: Without dead ends: 203 [2024-11-17 04:43:25,815 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 44 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=35, Unknown=0, NotChecked=0, Total=56 [2024-11-17 04:43:25,815 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 28 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 82 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 74 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 82 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:25,816 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 74 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 82 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:25,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 203 states. [2024-11-17 04:43:25,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 203 to 198. [2024-11-17 04:43:25,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 175 states have (on average 1.2685714285714285) internal successors, (222), 185 states have internal predecessors, (222), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:25,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 242 transitions. [2024-11-17 04:43:25,825 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 242 transitions. Word has length 41 [2024-11-17 04:43:25,826 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:25,826 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 242 transitions. [2024-11-17 04:43:25,826 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 8.0) internal successors, (32), 5 states have internal predecessors, (32), 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 04:43:25,826 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 242 transitions. [2024-11-17 04:43:25,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-17 04:43:25,828 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:25,828 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:25,845 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:26,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:26,029 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:26,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:26,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1453998517, now seen corresponding path program 1 times [2024-11-17 04:43:26,030 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:26,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1627361166] [2024-11-17 04:43:26,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:26,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:26,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:26,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:26,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:26,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:26,102 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:26,123 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:26,123 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:26,123 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1627361166] [2024-11-17 04:43:26,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1627361166] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:26,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [343041173] [2024-11-17 04:43:26,124 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:26,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:26,124 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:26,126 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 04:43:26,127 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 04:43:26,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:26,169 INFO L255 TraceCheckSpWp]: Trace formula consists of 84 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:26,171 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:26,270 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:26,270 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:26,360 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [343041173] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:26,360 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:26,360 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 3] total 8 [2024-11-17 04:43:26,360 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024774828] [2024-11-17 04:43:26,360 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:26,361 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:26,361 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:26,361 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:26,361 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=81, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:26,362 INFO L87 Difference]: Start difference. First operand 198 states and 242 transitions. Second operand has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:26,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:26,644 INFO L93 Difference]: Finished difference Result 206 states and 246 transitions. [2024-11-17 04:43:26,644 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-17 04:43:26,645 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 42 [2024-11-17 04:43:26,645 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:26,646 INFO L225 Difference]: With dead ends: 206 [2024-11-17 04:43:26,646 INFO L226 Difference]: Without dead ends: 198 [2024-11-17 04:43:26,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=110, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:26,647 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 28 mSDsluCounter, 147 mSDsCounter, 0 mSdLazyCounter, 254 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 177 SdHoareTripleChecker+Invalid, 258 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 254 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:26,647 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 177 Invalid, 258 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 254 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:26,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-17 04:43:26,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 198. [2024-11-17 04:43:26,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 175 states have (on average 1.2457142857142858) internal successors, (218), 185 states have internal predecessors, (218), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:26,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 238 transitions. [2024-11-17 04:43:26,659 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 238 transitions. Word has length 42 [2024-11-17 04:43:26,660 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:26,660 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 238 transitions. [2024-11-17 04:43:26,660 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 7.625) internal successors, (61), 9 states have internal predecessors, (61), 3 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:26,660 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 238 transitions. [2024-11-17 04:43:26,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-17 04:43:26,661 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:26,661 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:26,679 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 04:43:26,862 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,SelfDestructingSolverStorable11 [2024-11-17 04:43:26,863 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:26,863 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:26,863 INFO L85 PathProgramCache]: Analyzing trace with hash -869266109, now seen corresponding path program 1 times [2024-11-17 04:43:26,863 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:26,863 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1209690797] [2024-11-17 04:43:26,863 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:26,863 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:26,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,057 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:27,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:27,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,068 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 3 proven. 7 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:27,070 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1209690797] [2024-11-17 04:43:27,070 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1209690797] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:27,070 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2013703934] [2024-11-17 04:43:27,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:27,070 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:27,070 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:27,073 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 04:43:27,075 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 04:43:27,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:27,115 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:27,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:27,257 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 7 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:27,257 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:27,618 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:43:27,619 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2013703934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:27,619 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:27,619 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-17 04:43:27,619 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022081695] [2024-11-17 04:43:27,619 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:27,620 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:43:27,620 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:27,621 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:43:27,621 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=57, Invalid=215, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:43:27,621 INFO L87 Difference]: Start difference. First operand 198 states and 238 transitions. Second operand has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:43:28,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:28,064 INFO L93 Difference]: Finished difference Result 201 states and 240 transitions. [2024-11-17 04:43:28,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-17 04:43:28,065 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) Word has length 43 [2024-11-17 04:43:28,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:28,066 INFO L225 Difference]: With dead ends: 201 [2024-11-17 04:43:28,066 INFO L226 Difference]: Without dead ends: 198 [2024-11-17 04:43:28,067 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 78 SyntacticMatches, 5 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 123 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=159, Invalid=491, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:43:28,067 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 190 mSDsluCounter, 138 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 35 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 260 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 35 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:28,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 160 Invalid, 260 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [35 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:28,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-17 04:43:28,075 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 162. [2024-11-17 04:43:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 143 states have (on average 1.2027972027972027) internal successors, (172), 150 states have internal predecessors, (172), 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 04:43:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 190 transitions. [2024-11-17 04:43:28,078 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 190 transitions. Word has length 43 [2024-11-17 04:43:28,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:28,078 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 190 transitions. [2024-11-17 04:43:28,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 3.8125) internal successors, (61), 16 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 2 states have return successors, (3), 2 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-17 04:43:28,079 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 190 transitions. [2024-11-17 04:43:28,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-17 04:43:28,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:28,079 INFO L215 NwaCegarLoop]: trace histogram [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] [2024-11-17 04:43:28,097 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-17 04:43:28,284 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-11-17 04:43:28,285 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:28,285 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:28,285 INFO L85 PathProgramCache]: Analyzing trace with hash -1177445592, now seen corresponding path program 1 times [2024-11-17 04:43:28,285 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:28,285 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2056314324] [2024-11-17 04:43:28,286 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:28,286 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:28,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:28,294 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1180627933] [2024-11-17 04:43:28,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:28,294 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:28,295 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:28,296 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 04:43:28,297 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 04:43:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:28,338 INFO L255 TraceCheckSpWp]: Trace formula consists of 89 conjuncts, 16 conjuncts are in the unsatisfiable core [2024-11-17 04:43:28,339 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:28,545 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:28,545 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:28,728 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-11-17 04:43:28,728 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:28,728 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2056314324] [2024-11-17 04:43:28,729 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:28,729 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1180627933] [2024-11-17 04:43:28,729 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1180627933] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:28,729 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:28,729 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6] total 10 [2024-11-17 04:43:28,729 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863493335] [2024-11-17 04:43:28,729 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:28,730 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:28,730 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:28,730 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:28,731 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:28,731 INFO L87 Difference]: Start difference. First operand 162 states and 190 transitions. Second operand has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:29,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:29,210 INFO L93 Difference]: Finished difference Result 261 states and 305 transitions. [2024-11-17 04:43:29,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:43:29,211 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) Word has length 44 [2024-11-17 04:43:29,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:29,212 INFO L225 Difference]: With dead ends: 261 [2024-11-17 04:43:29,212 INFO L226 Difference]: Without dead ends: 180 [2024-11-17 04:43:29,213 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 76 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=78, Invalid=228, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:43:29,213 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 98 mSDsluCounter, 101 mSDsCounter, 0 mSdLazyCounter, 246 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 257 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 246 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:29,214 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 126 Invalid, 257 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 246 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:29,214 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-17 04:43:29,223 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-17 04:43:29,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 161 states have (on average 1.1428571428571428) internal successors, (184), 167 states have internal predecessors, (184), 10 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 10 states have call predecessors, (10), 10 states have call successors, (10) [2024-11-17 04:43:29,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 204 transitions. [2024-11-17 04:43:29,224 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 204 transitions. Word has length 44 [2024-11-17 04:43:29,224 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:29,224 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 204 transitions. [2024-11-17 04:43:29,225 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 6.2) internal successors, (62), 11 states have internal predecessors, (62), 3 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 3 states have call predecessors, (4), 3 states have call successors, (4) [2024-11-17 04:43:29,225 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 204 transitions. [2024-11-17 04:43:29,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2024-11-17 04:43:29,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:29,226 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:29,244 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 04:43:29,430 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,SelfDestructingSolverStorable13 [2024-11-17 04:43:29,431 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:29,431 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:29,431 INFO L85 PathProgramCache]: Analyzing trace with hash 290726331, now seen corresponding path program 2 times [2024-11-17 04:43:29,431 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:29,431 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2055775243] [2024-11-17 04:43:29,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:29,431 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:29,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:29,443 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [801832972] [2024-11-17 04:43:29,443 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:29,444 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:29,444 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:29,445 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 04:43:29,447 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 04:43:29,495 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:29,495 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:29,496 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:29,498 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:29,643 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:29,970 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 27 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:29,970 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:29,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2055775243] [2024-11-17 04:43:29,971 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:29,971 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [801832972] [2024-11-17 04:43:29,971 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [801832972] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:29,971 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:29,971 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5] total 9 [2024-11-17 04:43:29,971 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1525013569] [2024-11-17 04:43:29,972 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:29,972 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-17 04:43:29,972 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:29,973 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-17 04:43:29,973 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:29,973 INFO L87 Difference]: Start difference. First operand 180 states and 204 transitions. Second operand has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:30,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:30,720 INFO L93 Difference]: Finished difference Result 377 states and 438 transitions. [2024-11-17 04:43:30,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-17 04:43:30,721 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 63 [2024-11-17 04:43:30,721 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:30,722 INFO L225 Difference]: With dead ends: 377 [2024-11-17 04:43:30,723 INFO L226 Difference]: Without dead ends: 374 [2024-11-17 04:43:30,723 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 116 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=80, Invalid=160, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:43:30,724 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 162 mSDsluCounter, 232 mSDsCounter, 0 mSdLazyCounter, 363 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 164 SdHoareTripleChecker+Valid, 279 SdHoareTripleChecker+Invalid, 377 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 363 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:30,724 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [164 Valid, 279 Invalid, 377 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 363 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-17 04:43:30,726 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 374 states. [2024-11-17 04:43:30,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 374 to 349. [2024-11-17 04:43:30,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 349 states, 323 states have (on average 1.1455108359133126) internal successors, (370), 328 states have internal predecessors, (370), 18 states have call successors, (18), 2 states have call predecessors, (18), 2 states have return successors, (18), 18 states have call predecessors, (18), 18 states have call successors, (18) [2024-11-17 04:43:30,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 349 states and 406 transitions. [2024-11-17 04:43:30,748 INFO L78 Accepts]: Start accepts. Automaton has 349 states and 406 transitions. Word has length 63 [2024-11-17 04:43:30,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:30,749 INFO L471 AbstractCegarLoop]: Abstraction has 349 states and 406 transitions. [2024-11-17 04:43:30,749 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 9 states have (on average 10.0) internal successors, (90), 10 states have internal predecessors, (90), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:30,749 INFO L276 IsEmpty]: Start isEmpty. Operand 349 states and 406 transitions. [2024-11-17 04:43:30,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-17 04:43:30,750 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:30,750 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:30,768 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 04:43:30,953 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,SelfDestructingSolverStorable14 [2024-11-17 04:43:30,953 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:30,953 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:30,954 INFO L85 PathProgramCache]: Analyzing trace with hash 2124720121, now seen corresponding path program 2 times [2024-11-17 04:43:30,954 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:30,954 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2052270607] [2024-11-17 04:43:30,954 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:30,954 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:30,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:31,124 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:31,127 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:31,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:31,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:31,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:31,158 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-17 04:43:31,158 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:31,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2052270607] [2024-11-17 04:43:31,159 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2052270607] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:31,159 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1716701898] [2024-11-17 04:43:31,159 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:31,159 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:31,159 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:31,161 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 04:43:31,162 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 04:43:31,204 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:31,204 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:31,205 INFO L255 TraceCheckSpWp]: Trace formula consists of 113 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:31,207 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:31,357 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2024-11-17 04:43:31,358 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:31,454 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1716701898] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:31,454 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:31,454 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 4] total 10 [2024-11-17 04:43:31,454 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [973202743] [2024-11-17 04:43:31,454 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:31,455 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:31,455 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:31,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:31,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=42, Invalid=114, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:31,456 INFO L87 Difference]: Start difference. First operand 349 states and 406 transitions. Second operand has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:31,675 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:31,675 INFO L93 Difference]: Finished difference Result 377 states and 436 transitions. [2024-11-17 04:43:31,676 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:43:31,676 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 65 [2024-11-17 04:43:31,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:31,678 INFO L225 Difference]: With dead ends: 377 [2024-11-17 04:43:31,678 INFO L226 Difference]: Without dead ends: 369 [2024-11-17 04:43:31,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:43:31,679 INFO L432 NwaCegarLoop]: 25 mSDtfsCounter, 28 mSDsluCounter, 139 mSDsCounter, 0 mSdLazyCounter, 242 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 246 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 242 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:31,679 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 164 Invalid, 246 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 242 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:31,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 369 states. [2024-11-17 04:43:31,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 369 to 368. [2024-11-17 04:43:31,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 368 states, 341 states have (on average 1.1407624633431086) internal successors, (389), 346 states have internal predecessors, (389), 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 04:43:31,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 368 states to 368 states and 427 transitions. [2024-11-17 04:43:31,698 INFO L78 Accepts]: Start accepts. Automaton has 368 states and 427 transitions. Word has length 65 [2024-11-17 04:43:31,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:31,699 INFO L471 AbstractCegarLoop]: Abstraction has 368 states and 427 transitions. [2024-11-17 04:43:31,699 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 9.7) internal successors, (97), 11 states have internal predecessors, (97), 5 states have call successors, (6), 1 states have call predecessors, (6), 2 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:31,699 INFO L276 IsEmpty]: Start isEmpty. Operand 368 states and 427 transitions. [2024-11-17 04:43:31,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:43:31,700 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:31,700 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:31,717 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 04:43:31,900 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,SelfDestructingSolverStorable15 [2024-11-17 04:43:31,901 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:31,901 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:31,901 INFO L85 PathProgramCache]: Analyzing trace with hash 420117867, now seen corresponding path program 1 times [2024-11-17 04:43:31,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:31,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354958047] [2024-11-17 04:43:31,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:31,902 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:31,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,010 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:32,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,012 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:32,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,014 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,018 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,021 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:32,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,026 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:32,026 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:32,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354958047] [2024-11-17 04:43:32,026 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354958047] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:32,026 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [310848788] [2024-11-17 04:43:32,026 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:32,027 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:32,027 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:32,029 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 04:43:32,042 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 04:43:32,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,096 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:32,098 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:32,209 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 47 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:32,209 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:32,304 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 18 proven. 42 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-17 04:43:32,304 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [310848788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:32,305 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:32,305 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 6 [2024-11-17 04:43:32,305 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460810481] [2024-11-17 04:43:32,305 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:32,306 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:32,306 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:32,306 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:32,307 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:32,307 INFO L87 Difference]: Start difference. First operand 368 states and 427 transitions. Second operand has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:32,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:32,406 INFO L93 Difference]: Finished difference Result 505 states and 576 transitions. [2024-11-17 04:43:32,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:43:32,407 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 88 [2024-11-17 04:43:32,407 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:32,409 INFO L225 Difference]: With dead ends: 505 [2024-11-17 04:43:32,409 INFO L226 Difference]: Without dead ends: 340 [2024-11-17 04:43:32,410 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 190 GetRequests, 186 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:43:32,413 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 9 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 111 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 154 SdHoareTripleChecker+Invalid, 112 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 111 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:32,413 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 154 Invalid, 112 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 111 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:32,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 340 states. [2024-11-17 04:43:32,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 340 to 336. [2024-11-17 04:43:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 336 states, 311 states have (on average 1.1028938906752412) internal successors, (343), 316 states have internal predecessors, (343), 17 states have call successors, (17), 2 states have call predecessors, (17), 2 states have return successors, (17), 17 states have call predecessors, (17), 17 states have call successors, (17) [2024-11-17 04:43:32,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 336 states and 377 transitions. [2024-11-17 04:43:32,432 INFO L78 Accepts]: Start accepts. Automaton has 336 states and 377 transitions. Word has length 88 [2024-11-17 04:43:32,432 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:32,432 INFO L471 AbstractCegarLoop]: Abstraction has 336 states and 377 transitions. [2024-11-17 04:43:32,432 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 6 states have (on average 13.833333333333334) internal successors, (83), 6 states have internal predecessors, (83), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:32,432 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 377 transitions. [2024-11-17 04:43:32,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-17 04:43:32,433 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:32,433 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:32,451 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 04:43:32,633 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,SelfDestructingSolverStorable16 [2024-11-17 04:43:32,634 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:32,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:32,634 INFO L85 PathProgramCache]: Analyzing trace with hash 1435762156, now seen corresponding path program 2 times [2024-11-17 04:43:32,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:32,634 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1887197548] [2024-11-17 04:43:32,634 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:32,634 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:32,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,752 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:32,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,754 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:32,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,756 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:32,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,759 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,761 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:32,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:32,784 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:32,784 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:32,784 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1887197548] [2024-11-17 04:43:32,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1887197548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:32,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1375287592] [2024-11-17 04:43:32,785 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:32,785 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:32,785 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:32,787 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 04:43:32,789 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 04:43:32,835 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:32,835 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:32,836 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:43:32,838 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:32,931 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:32,931 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:33,140 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 6 proven. 63 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-11-17 04:43:33,141 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1375287592] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:33,141 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:33,141 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-17 04:43:33,141 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1473807755] [2024-11-17 04:43:33,141 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:33,142 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:43:33,142 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:33,143 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:43:33,143 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=160, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:43:33,143 INFO L87 Difference]: Start difference. First operand 336 states and 377 transitions. Second operand has 15 states, 14 states have (on average 9.642857142857142) internal successors, (135), 15 states have internal predecessors, (135), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:33,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:33,776 INFO L93 Difference]: Finished difference Result 769 states and 876 transitions. [2024-11-17 04:43:33,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-17 04:43:33,776 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 14 states have (on average 9.642857142857142) internal successors, (135), 15 states have internal predecessors, (135), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 88 [2024-11-17 04:43:33,777 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:33,779 INFO L225 Difference]: With dead ends: 769 [2024-11-17 04:43:33,781 INFO L226 Difference]: Without dead ends: 755 [2024-11-17 04:43:33,782 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 206 GetRequests, 178 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 156 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=258, Invalid=612, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:43:33,782 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 156 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 351 mSolverCounterSat, 23 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 157 SdHoareTripleChecker+Valid, 217 SdHoareTripleChecker+Invalid, 374 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 23 IncrementalHoareTripleChecker+Valid, 351 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:33,782 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [157 Valid, 217 Invalid, 374 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [23 Valid, 351 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:33,783 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 755 states. [2024-11-17 04:43:33,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 755 to 657. [2024-11-17 04:43:33,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 657 states, 619 states have (on average 1.098546042003231) internal successors, (680), 623 states have internal predecessors, (680), 31 states have call successors, (31), 2 states have call predecessors, (31), 2 states have return successors, (31), 31 states have call predecessors, (31), 31 states have call successors, (31) [2024-11-17 04:43:33,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 657 states to 657 states and 742 transitions. [2024-11-17 04:43:33,819 INFO L78 Accepts]: Start accepts. Automaton has 657 states and 742 transitions. Word has length 88 [2024-11-17 04:43:33,820 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:33,820 INFO L471 AbstractCegarLoop]: Abstraction has 657 states and 742 transitions. [2024-11-17 04:43:33,820 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 14 states have (on average 9.642857142857142) internal successors, (135), 15 states have internal predecessors, (135), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:33,820 INFO L276 IsEmpty]: Start isEmpty. Operand 657 states and 742 transitions. [2024-11-17 04:43:33,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2024-11-17 04:43:33,822 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:33,822 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:33,839 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:34,026 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:34,027 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:34,027 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:34,027 INFO L85 PathProgramCache]: Analyzing trace with hash -904451391, now seen corresponding path program 1 times [2024-11-17 04:43:34,027 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:34,027 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [279720556] [2024-11-17 04:43:34,027 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:34,027 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:34,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,086 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:34,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,088 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:34,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,090 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:34,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,095 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:34,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,098 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,102 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:43:34,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [279720556] [2024-11-17 04:43:34,103 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [279720556] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:34,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1540526636] [2024-11-17 04:43:34,103 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:34,103 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:34,103 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:34,105 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 04:43:34,108 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 04:43:34,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-17 04:43:34,159 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:34,203 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:43:34,204 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:34,272 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 56 proven. 12 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2024-11-17 04:43:34,273 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1540526636] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:34,273 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:34,273 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-17 04:43:34,273 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2064922760] [2024-11-17 04:43:34,273 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:34,274 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-17 04:43:34,274 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:34,274 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-17 04:43:34,275 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:43:34,275 INFO L87 Difference]: Start difference. First operand 657 states and 742 transitions. Second operand has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 04:43:34,380 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:34,381 INFO L93 Difference]: Finished difference Result 815 states and 929 transitions. [2024-11-17 04:43:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-17 04:43:34,381 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) Word has length 98 [2024-11-17 04:43:34,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:34,385 INFO L225 Difference]: With dead ends: 815 [2024-11-17 04:43:34,385 INFO L226 Difference]: Without dead ends: 813 [2024-11-17 04:43:34,386 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-17 04:43:34,386 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 13 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 13 SdHoareTripleChecker+Valid, 118 SdHoareTripleChecker+Invalid, 79 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:34,387 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [13 Valid, 118 Invalid, 79 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:34,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 813 states. [2024-11-17 04:43:34,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 813 to 813. [2024-11-17 04:43:34,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 813 states, 769 states have (on average 1.0676202860858257) internal successors, (821), 772 states have internal predecessors, (821), 38 states have call successors, (38), 2 states have call predecessors, (38), 2 states have return successors, (38), 38 states have call predecessors, (38), 38 states have call successors, (38) [2024-11-17 04:43:34,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 813 states to 813 states and 897 transitions. [2024-11-17 04:43:34,439 INFO L78 Accepts]: Start accepts. Automaton has 813 states and 897 transitions. Word has length 98 [2024-11-17 04:43:34,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:34,440 INFO L471 AbstractCegarLoop]: Abstraction has 813 states and 897 transitions. [2024-11-17 04:43:34,440 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 19.166666666666668) internal successors, (115), 7 states have internal predecessors, (115), 6 states have call successors, (8), 1 states have call predecessors, (8), 1 states have return successors, (8), 6 states have call predecessors, (8), 6 states have call successors, (8) [2024-11-17 04:43:34,440 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 897 transitions. [2024-11-17 04:43:34,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2024-11-17 04:43:34,441 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:34,441 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:34,459 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-17 04:43:34,645 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:34,646 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:34,646 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:34,647 INFO L85 PathProgramCache]: Analyzing trace with hash -384952479, now seen corresponding path program 1 times [2024-11-17 04:43:34,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:34,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [729811182] [2024-11-17 04:43:34,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:34,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:34,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,730 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:34,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:34,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:34,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,736 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:34,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,738 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:34,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,741 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:34,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,744 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:34,744 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:34,744 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [729811182] [2024-11-17 04:43:34,744 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [729811182] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:34,745 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [315572951] [2024-11-17 04:43:34,745 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:34,745 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:34,745 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:34,747 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 04:43:34,748 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 04:43:34,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:34,801 INFO L255 TraceCheckSpWp]: Trace formula consists of 169 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:34,803 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:34,889 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:34,889 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:35,014 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 0 proven. 102 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2024-11-17 04:43:35,015 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [315572951] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:35,015 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:35,015 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-17 04:43:35,016 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [829353606] [2024-11-17 04:43:35,016 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:35,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-17 04:43:35,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:35,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-17 04:43:35,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:35,019 INFO L87 Difference]: Start difference. First operand 813 states and 897 transitions. Second operand has 11 states, 10 states have (on average 16.2) internal successors, (162), 11 states have internal predecessors, (162), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:35,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:35,196 INFO L93 Difference]: Finished difference Result 1508 states and 1697 transitions. [2024-11-17 04:43:35,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-17 04:43:35,197 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 16.2) internal successors, (162), 11 states have internal predecessors, (162), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 101 [2024-11-17 04:43:35,198 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:35,205 INFO L225 Difference]: With dead ends: 1508 [2024-11-17 04:43:35,206 INFO L226 Difference]: Without dead ends: 1507 [2024-11-17 04:43:35,207 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 217 GetRequests, 208 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=55, Invalid=55, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:35,208 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 141 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 109 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 206 SdHoareTripleChecker+Invalid, 111 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 109 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:35,208 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 206 Invalid, 111 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 109 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:35,213 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1507 states. [2024-11-17 04:43:35,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1507 to 1499. [2024-11-17 04:43:35,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1499 states, 1419 states have (on average 1.0817477096546864) internal successors, (1535), 1422 states have internal predecessors, (1535), 74 states have call successors, (74), 2 states have call predecessors, (74), 2 states have return successors, (74), 74 states have call predecessors, (74), 74 states have call successors, (74) [2024-11-17 04:43:35,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1499 states to 1499 states and 1683 transitions. [2024-11-17 04:43:35,316 INFO L78 Accepts]: Start accepts. Automaton has 1499 states and 1683 transitions. Word has length 101 [2024-11-17 04:43:35,316 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:35,316 INFO L471 AbstractCegarLoop]: Abstraction has 1499 states and 1683 transitions. [2024-11-17 04:43:35,316 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 16.2) internal successors, (162), 11 states have internal predecessors, (162), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:35,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1499 states and 1683 transitions. [2024-11-17 04:43:35,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2024-11-17 04:43:35,319 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:35,320 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:35,336 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:35,520 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:35,520 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:35,521 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:35,521 INFO L85 PathProgramCache]: Analyzing trace with hash -1696751430, now seen corresponding path program 1 times [2024-11-17 04:43:35,521 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:35,521 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1427280885] [2024-11-17 04:43:35,521 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:35,521 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:35,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:35,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,625 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:35,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:35,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:35,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 04:43:35,637 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:35,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1427280885] [2024-11-17 04:43:35,637 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1427280885] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:35,637 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [200840802] [2024-11-17 04:43:35,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:35,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:35,638 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:35,640 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 04:43:35,641 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 04:43:35,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:35,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 178 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-17 04:43:35,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:35,791 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 88 proven. 26 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2024-11-17 04:43:35,792 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:35,888 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 76 proven. 26 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2024-11-17 04:43:35,888 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [200840802] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:35,889 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:35,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 9 [2024-11-17 04:43:35,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2072788180] [2024-11-17 04:43:35,889 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:35,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:43:35,890 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:35,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:43:35,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=48, Unknown=0, NotChecked=0, Total=72 [2024-11-17 04:43:35,891 INFO L87 Difference]: Start difference. First operand 1499 states and 1683 transitions. Second operand has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:36,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:36,096 INFO L93 Difference]: Finished difference Result 1575 states and 1762 transitions. [2024-11-17 04:43:36,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:36,097 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) Word has length 109 [2024-11-17 04:43:36,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:36,102 INFO L225 Difference]: With dead ends: 1575 [2024-11-17 04:43:36,103 INFO L226 Difference]: Without dead ends: 1424 [2024-11-17 04:43:36,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 235 GetRequests, 224 SyntacticMatches, 3 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:36,105 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 35 mSDsluCounter, 203 mSDsCounter, 0 mSdLazyCounter, 253 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 260 SdHoareTripleChecker+Invalid, 255 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 253 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:36,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 260 Invalid, 255 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 253 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:36,106 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1424 states. [2024-11-17 04:43:36,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1424 to 1422. [2024-11-17 04:43:36,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1422 states, 1345 states have (on average 1.0728624535315985) internal successors, (1443), 1348 states have internal predecessors, (1443), 71 states have call successors, (71), 2 states have call predecessors, (71), 2 states have return successors, (71), 71 states have call predecessors, (71), 71 states have call successors, (71) [2024-11-17 04:43:36,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1422 states and 1585 transitions. [2024-11-17 04:43:36,185 INFO L78 Accepts]: Start accepts. Automaton has 1422 states and 1585 transitions. Word has length 109 [2024-11-17 04:43:36,186 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:36,186 INFO L471 AbstractCegarLoop]: Abstraction has 1422 states and 1585 transitions. [2024-11-17 04:43:36,186 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 14.11111111111111) internal successors, (127), 9 states have internal predecessors, (127), 8 states have call successors, (10), 2 states have call predecessors, (10), 2 states have return successors, (10), 8 states have call predecessors, (10), 8 states have call successors, (10) [2024-11-17 04:43:36,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1585 transitions. [2024-11-17 04:43:36,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2024-11-17 04:43:36,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:36,188 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:36,206 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-17 04:43:36,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:36,389 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:36,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:36,389 INFO L85 PathProgramCache]: Analyzing trace with hash 689960014, now seen corresponding path program 1 times [2024-11-17 04:43:36,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:36,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1576213575] [2024-11-17 04:43:36,389 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:36,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:36,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,492 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:36,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,496 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:36,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:36,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:36,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,505 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:36,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,509 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:36,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,511 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:36,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,513 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:36,514 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:36,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1576213575] [2024-11-17 04:43:36,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1576213575] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:36,514 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2133541561] [2024-11-17 04:43:36,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:36,514 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:36,515 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:36,516 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 04:43:36,519 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 04:43:36,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:36,567 INFO L255 TraceCheckSpWp]: Trace formula consists of 185 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:43:36,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:36,671 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:36,671 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:36,838 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 0 proven. 162 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:36,839 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2133541561] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:36,839 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:36,839 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-11-17 04:43:36,839 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239782754] [2024-11-17 04:43:36,839 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:36,840 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-17 04:43:36,840 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:36,841 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-17 04:43:36,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:36,842 INFO L87 Difference]: Start difference. First operand 1422 states and 1585 transitions. Second operand has 13 states, 12 states have (on average 16.0) internal successors, (192), 13 states have internal predecessors, (192), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-17 04:43:37,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:37,093 INFO L93 Difference]: Finished difference Result 2499 states and 2889 transitions. [2024-11-17 04:43:37,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:43:37,094 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 12 states have (on average 16.0) internal successors, (192), 13 states have internal predecessors, (192), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) Word has length 121 [2024-11-17 04:43:37,094 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:37,103 INFO L225 Difference]: With dead ends: 2499 [2024-11-17 04:43:37,103 INFO L226 Difference]: Without dead ends: 2498 [2024-11-17 04:43:37,105 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 249 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-11-17 04:43:37,105 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 31 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 125 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 143 SdHoareTripleChecker+Invalid, 132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 125 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:37,106 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 143 Invalid, 132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 125 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:37,108 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2498 states. [2024-11-17 04:43:37,195 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2498 to 2498. [2024-11-17 04:43:37,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2498 states, 2363 states have (on average 1.0880236986881084) internal successors, (2571), 2366 states have internal predecessors, (2571), 129 states have call successors, (129), 2 states have call predecessors, (129), 2 states have return successors, (129), 129 states have call predecessors, (129), 129 states have call successors, (129) [2024-11-17 04:43:37,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2498 states to 2498 states and 2829 transitions. [2024-11-17 04:43:37,206 INFO L78 Accepts]: Start accepts. Automaton has 2498 states and 2829 transitions. Word has length 121 [2024-11-17 04:43:37,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:37,207 INFO L471 AbstractCegarLoop]: Abstraction has 2498 states and 2829 transitions. [2024-11-17 04:43:37,207 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 12 states have (on average 16.0) internal successors, (192), 13 states have internal predecessors, (192), 12 states have call successors, (13), 1 states have call predecessors, (13), 1 states have return successors, (13), 12 states have call predecessors, (13), 12 states have call successors, (13) [2024-11-17 04:43:37,207 INFO L276 IsEmpty]: Start isEmpty. Operand 2498 states and 2829 transitions. [2024-11-17 04:43:37,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2024-11-17 04:43:37,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:37,209 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:37,227 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 04:43:37,413 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:37,414 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:37,414 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:37,414 INFO L85 PathProgramCache]: Analyzing trace with hash 1322449067, now seen corresponding path program 2 times [2024-11-17 04:43:37,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:37,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [961721492] [2024-11-17 04:43:37,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:37,415 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:37,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,536 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:37,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,540 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,544 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:37,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,549 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:37,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:37,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:37,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:37,564 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 58 proven. 116 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:37,564 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:37,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [961721492] [2024-11-17 04:43:37,565 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [961721492] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:37,565 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654690301] [2024-11-17 04:43:37,565 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:43:37,566 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:37,566 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:37,567 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 04:43:37,569 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 04:43:37,624 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:43:37,624 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:37,625 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:43:37,652 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:37,822 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 71 proven. 103 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:37,823 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:37,987 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 71 proven. 103 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-17 04:43:37,987 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654690301] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:37,987 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:37,988 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 12 [2024-11-17 04:43:37,988 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1602101865] [2024-11-17 04:43:37,988 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:37,988 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:43:37,988 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:37,989 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:43:37,989 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:43:37,989 INFO L87 Difference]: Start difference. First operand 2498 states and 2829 transitions. Second operand has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:38,515 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:38,516 INFO L93 Difference]: Finished difference Result 5395 states and 6164 transitions. [2024-11-17 04:43:38,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:43:38,517 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) Word has length 132 [2024-11-17 04:43:38,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:38,532 INFO L225 Difference]: With dead ends: 5395 [2024-11-17 04:43:38,532 INFO L226 Difference]: Without dead ends: 3898 [2024-11-17 04:43:38,535 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 286 GetRequests, 269 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 52 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=52, Invalid=130, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:43:38,536 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 35 mSDsluCounter, 376 mSDsCounter, 0 mSdLazyCounter, 613 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 452 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 613 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:38,536 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 452 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 613 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:43:38,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3898 states. [2024-11-17 04:43:38,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3898 to 2718. [2024-11-17 04:43:38,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2571 states have (on average 1.0840140023337224) internal successors, (2787), 2574 states have internal predecessors, (2787), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-17 04:43:38,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3069 transitions. [2024-11-17 04:43:38,703 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3069 transitions. Word has length 132 [2024-11-17 04:43:38,703 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:38,703 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 3069 transitions. [2024-11-17 04:43:38,704 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 12 states have (on average 14.333333333333334) internal successors, (172), 12 states have internal predecessors, (172), 10 states have call successors, (11), 1 states have call predecessors, (11), 1 states have return successors, (11), 10 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-17 04:43:38,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3069 transitions. [2024-11-17 04:43:38,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 04:43:38,706 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:38,706 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:38,726 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 04:43:38,907 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:38,907 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:38,908 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:38,908 INFO L85 PathProgramCache]: Analyzing trace with hash 300581755, now seen corresponding path program 3 times [2024-11-17 04:43:38,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:38,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [644463315] [2024-11-17 04:43:38,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:38,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:38,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:38,933 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1748222322] [2024-11-17 04:43:38,933 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:38,933 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:38,933 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:38,935 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 04:43:38,936 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 04:43:38,993 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-17 04:43:38,994 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:38,995 INFO L255 TraceCheckSpWp]: Trace formula consists of 117 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-17 04:43:38,997 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:39,056 INFO L134 CoverageAnalysis]: Checked inductivity of 373 backedges. 124 proven. 7 refuted. 0 times theorem prover too weak. 242 trivial. 0 not checked. [2024-11-17 04:43:39,056 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:39,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [644463315] [2024-11-17 04:43:39,477 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:39,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1748222322] [2024-11-17 04:43:39,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1748222322] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:39,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:39,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2024-11-17 04:43:39,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1117612027] [2024-11-17 04:43:39,478 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:39,479 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-17 04:43:39,479 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:39,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-17 04:43:39,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2024-11-17 04:43:39,480 INFO L87 Difference]: Start difference. First operand 2718 states and 3069 transitions. Second operand has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 04:43:39,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:39,640 INFO L93 Difference]: Finished difference Result 2720 states and 3069 transitions. [2024-11-17 04:43:39,640 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-17 04:43:39,641 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 155 [2024-11-17 04:43:39,641 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:39,650 INFO L225 Difference]: With dead ends: 2720 [2024-11-17 04:43:39,650 INFO L226 Difference]: Without dead ends: 2719 [2024-11-17 04:43:39,651 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 161 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=35, Invalid=75, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:39,653 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 23 mSDsluCounter, 59 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 95 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:39,653 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 95 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:43:39,655 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2719 states. [2024-11-17 04:43:39,758 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2719 to 2718. [2024-11-17 04:43:39,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2718 states, 2571 states have (on average 1.0828471411901983) internal successors, (2784), 2574 states have internal predecessors, (2784), 141 states have call successors, (141), 2 states have call predecessors, (141), 2 states have return successors, (141), 141 states have call predecessors, (141), 141 states have call successors, (141) [2024-11-17 04:43:39,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2718 states to 2718 states and 3066 transitions. [2024-11-17 04:43:39,770 INFO L78 Accepts]: Start accepts. Automaton has 2718 states and 3066 transitions. Word has length 155 [2024-11-17 04:43:39,770 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:39,770 INFO L471 AbstractCegarLoop]: Abstraction has 2718 states and 3066 transitions. [2024-11-17 04:43:39,770 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.6) internal successors, (53), 6 states have internal predecessors, (53), 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 04:43:39,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3066 transitions. [2024-11-17 04:43:39,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 04:43:39,772 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:39,773 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:39,789 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 04:43:39,976 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,SelfDestructingSolverStorable23 [2024-11-17 04:43:39,977 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:39,977 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:39,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1454772696, now seen corresponding path program 3 times [2024-11-17 04:43:39,978 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:39,978 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [124606189] [2024-11-17 04:43:39,978 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:39,978 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:39,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:39,999 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2017046990] [2024-11-17 04:43:39,999 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:39,999 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:40,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:40,002 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 04:43:40,003 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 04:43:40,059 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 04:43:40,060 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:40,060 INFO L255 TraceCheckSpWp]: Trace formula consists of 207 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-17 04:43:40,062 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:40,312 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 0 proven. 229 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2024-11-17 04:43:40,312 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:40,755 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:40,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [124606189] [2024-11-17 04:43:40,755 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:40,755 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2017046990] [2024-11-17 04:43:40,755 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2017046990] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:40,755 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:40,755 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2024-11-17 04:43:40,755 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521015841] [2024-11-17 04:43:40,755 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:40,756 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-17 04:43:40,756 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:40,756 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-17 04:43:40,756 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2024-11-17 04:43:40,757 INFO L87 Difference]: Start difference. First operand 2718 states and 3066 transitions. Second operand has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:41,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:41,127 INFO L93 Difference]: Finished difference Result 4350 states and 4934 transitions. [2024-11-17 04:43:41,127 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:43:41,127 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) Word has length 155 [2024-11-17 04:43:41,128 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:41,137 INFO L225 Difference]: With dead ends: 4350 [2024-11-17 04:43:41,138 INFO L226 Difference]: Without dead ends: 2671 [2024-11-17 04:43:41,141 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 160 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:41,142 INFO L432 NwaCegarLoop]: 48 mSDtfsCounter, 141 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 297 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 310 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 297 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:41,142 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 210 Invalid, 310 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 297 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:43:41,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2671 states. [2024-11-17 04:43:41,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2671 to 2495. [2024-11-17 04:43:41,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2495 states, 2358 states have (on average 1.0826972010178118) internal successors, (2553), 2361 states have internal predecessors, (2553), 131 states have call successors, (131), 2 states have call predecessors, (131), 2 states have return successors, (131), 131 states have call predecessors, (131), 131 states have call successors, (131) [2024-11-17 04:43:41,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2495 states to 2495 states and 2815 transitions. [2024-11-17 04:43:41,261 INFO L78 Accepts]: Start accepts. Automaton has 2495 states and 2815 transitions. Word has length 155 [2024-11-17 04:43:41,261 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:41,262 INFO L471 AbstractCegarLoop]: Abstraction has 2495 states and 2815 transitions. [2024-11-17 04:43:41,262 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 14.142857142857142) internal successors, (99), 8 states have internal predecessors, (99), 5 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (6), 5 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:43:41,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2495 states and 2815 transitions. [2024-11-17 04:43:41,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2024-11-17 04:43:41,265 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:41,266 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:41,284 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 04:43:41,466 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,SelfDestructingSolverStorable24 [2024-11-17 04:43:41,466 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:41,467 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:41,467 INFO L85 PathProgramCache]: Analyzing trace with hash -226904197, now seen corresponding path program 4 times [2024-11-17 04:43:41,467 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:41,467 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [632434492] [2024-11-17 04:43:41,467 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:41,467 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:41,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:41,501 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1472028113] [2024-11-17 04:43:41,501 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:43:41,502 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:41,502 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:41,503 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 04:43:41,505 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 04:43:41,570 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:43:41,570 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:41,572 INFO L255 TraceCheckSpWp]: Trace formula consists of 233 conjuncts, 33 conjuncts are in the unsatisfiable core [2024-11-17 04:43:41,575 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:42,163 INFO L134 CoverageAnalysis]: Checked inductivity of 325 backedges. 12 proven. 264 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-17 04:43:42,163 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:42,507 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:42,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [632434492] [2024-11-17 04:43:42,508 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:42,508 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1472028113] [2024-11-17 04:43:42,508 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1472028113] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:42,508 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:42,508 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2024-11-17 04:43:42,509 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1170946368] [2024-11-17 04:43:42,509 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:42,509 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-17 04:43:42,509 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:42,510 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-17 04:43:42,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=68, Invalid=352, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:43:42,510 INFO L87 Difference]: Start difference. First operand 2495 states and 2815 transitions. Second operand has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:43,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:43,262 INFO L93 Difference]: Finished difference Result 2848 states and 3219 transitions. [2024-11-17 04:43:43,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-17 04:43:43,263 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) Word has length 155 [2024-11-17 04:43:43,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:43,274 INFO L225 Difference]: With dead ends: 2848 [2024-11-17 04:43:43,274 INFO L226 Difference]: Without dead ends: 2847 [2024-11-17 04:43:43,276 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=99, Invalid=453, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:43:43,276 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 72 mSDsluCounter, 498 mSDsCounter, 0 mSdLazyCounter, 1425 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 548 SdHoareTripleChecker+Invalid, 1429 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 1425 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:43,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 548 Invalid, 1429 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 1425 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:43:43,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2847 states. [2024-11-17 04:43:43,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2847 to 2644. [2024-11-17 04:43:43,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2644 states, 2499 states have (on average 1.084033613445378) internal successors, (2709), 2502 states have internal predecessors, (2709), 139 states have call successors, (139), 2 states have call predecessors, (139), 2 states have return successors, (139), 139 states have call predecessors, (139), 139 states have call successors, (139) [2024-11-17 04:43:43,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2644 states and 2987 transitions. [2024-11-17 04:43:43,395 INFO L78 Accepts]: Start accepts. Automaton has 2644 states and 2987 transitions. Word has length 155 [2024-11-17 04:43:43,395 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:43,395 INFO L471 AbstractCegarLoop]: Abstraction has 2644 states and 2987 transitions. [2024-11-17 04:43:43,395 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 7.294117647058823) internal successors, (124), 18 states have internal predecessors, (124), 7 states have call successors, (8), 1 states have call predecessors, (8), 2 states have return successors, (8), 7 states have call predecessors, (8), 7 states have call successors, (8) [2024-11-17 04:43:43,395 INFO L276 IsEmpty]: Start isEmpty. Operand 2644 states and 2987 transitions. [2024-11-17 04:43:43,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2024-11-17 04:43:43,398 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:43,398 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:43,415 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 04:43:43,602 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,SelfDestructingSolverStorable25 [2024-11-17 04:43:43,603 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:43,603 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:43,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1390626701, now seen corresponding path program 5 times [2024-11-17 04:43:43,605 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:43,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1081909824] [2024-11-17 04:43:43,605 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:43,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:43,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,797 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,799 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,801 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,803 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:43,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,805 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:43,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,807 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:43,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,809 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:43,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:43,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:43,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:43,817 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 101 proven. 266 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:43,817 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:43,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1081909824] [2024-11-17 04:43:43,817 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1081909824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:43,817 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1681653337] [2024-11-17 04:43:43,817 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:43:43,818 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:43,818 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:43,819 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 04:43:43,821 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 04:43:43,887 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 8 check-sat command(s) [2024-11-17 04:43:43,887 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:43,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 262 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-17 04:43:43,892 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:44,193 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 130 proven. 237 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:44,194 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:44,378 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 130 proven. 237 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2024-11-17 04:43:44,378 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1681653337] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:43:44,378 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:43:44,379 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 15 [2024-11-17 04:43:44,379 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441547057] [2024-11-17 04:43:44,379 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:44,379 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-17 04:43:44,380 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:44,380 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-17 04:43:44,380 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=152, Unknown=0, NotChecked=0, Total=210 [2024-11-17 04:43:44,381 INFO L87 Difference]: Start difference. First operand 2644 states and 2987 transitions. Second operand has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-17 04:43:44,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:44,893 INFO L93 Difference]: Finished difference Result 5570 states and 6341 transitions. [2024-11-17 04:43:44,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-17 04:43:44,894 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) Word has length 178 [2024-11-17 04:43:44,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:44,908 INFO L225 Difference]: With dead ends: 5570 [2024-11-17 04:43:44,908 INFO L226 Difference]: Without dead ends: 4104 [2024-11-17 04:43:44,912 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 385 GetRequests, 362 SyntacticMatches, 7 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 111 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=82, Invalid=224, Unknown=0, NotChecked=0, Total=306 [2024-11-17 04:43:44,912 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 35 mSDsluCounter, 385 mSDsCounter, 0 mSdLazyCounter, 642 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 479 SdHoareTripleChecker+Invalid, 645 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 642 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:44,913 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 479 Invalid, 645 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 642 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:43:44,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4104 states. [2024-11-17 04:43:45,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4104 to 3045. [2024-11-17 04:43:45,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3045 states, 2879 states have (on average 1.0798888502952415) internal successors, (3109), 2882 states have internal predecessors, (3109), 160 states have call successors, (160), 2 states have call predecessors, (160), 2 states have return successors, (160), 160 states have call predecessors, (160), 160 states have call successors, (160) [2024-11-17 04:43:45,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3045 states to 3045 states and 3429 transitions. [2024-11-17 04:43:45,059 INFO L78 Accepts]: Start accepts. Automaton has 3045 states and 3429 transitions. Word has length 178 [2024-11-17 04:43:45,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:45,060 INFO L471 AbstractCegarLoop]: Abstraction has 3045 states and 3429 transitions. [2024-11-17 04:43:45,060 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 15.066666666666666) internal successors, (226), 15 states have internal predecessors, (226), 13 states have call successors, (14), 1 states have call predecessors, (14), 1 states have return successors, (14), 13 states have call predecessors, (14), 13 states have call successors, (14) [2024-11-17 04:43:45,060 INFO L276 IsEmpty]: Start isEmpty. Operand 3045 states and 3429 transitions. [2024-11-17 04:43:45,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2024-11-17 04:43:45,064 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:45,064 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:45,081 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (24)] Ended with exit code 0 [2024-11-17 04:43:45,264 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26,24 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:45,265 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:45,265 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:45,265 INFO L85 PathProgramCache]: Analyzing trace with hash -430639122, now seen corresponding path program 3 times [2024-11-17 04:43:45,265 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:45,265 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [519319234] [2024-11-17 04:43:45,265 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:45,265 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:43:45,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:43:45,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,611 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:43:45,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:43:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,619 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:43:45,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,623 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:43:45,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,628 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:43:45,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,631 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:43:45,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:43:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:45,663 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 18 proven. 369 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2024-11-17 04:43:45,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:45,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [519319234] [2024-11-17 04:43:45,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [519319234] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:45,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1745446771] [2024-11-17 04:43:45,665 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:43:45,665 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:45,666 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:45,668 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 04:43:45,670 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 04:43:45,725 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-17 04:43:45,726 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:45,727 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-11-17 04:43:45,730 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:46,352 INFO L134 CoverageAnalysis]: Checked inductivity of 457 backedges. 253 proven. 80 refuted. 0 times theorem prover too weak. 124 trivial. 0 not checked. [2024-11-17 04:43:46,353 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:51,086 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1745446771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:51,086 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:43:51,086 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 16] total 25 [2024-11-17 04:43:51,087 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [33787596] [2024-11-17 04:43:51,087 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:51,087 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:43:51,087 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:51,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:43:51,088 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=116, Invalid=753, Unknown=1, NotChecked=0, Total=870 [2024-11-17 04:43:51,089 INFO L87 Difference]: Start difference. First operand 3045 states and 3429 transitions. Second operand has 26 states, 25 states have (on average 9.6) internal successors, (240), 26 states have internal predecessors, (240), 11 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-17 04:43:54,529 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:54,529 INFO L93 Difference]: Finished difference Result 4698 states and 5302 transitions. [2024-11-17 04:43:54,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2024-11-17 04:43:54,530 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 9.6) internal successors, (240), 26 states have internal predecessors, (240), 11 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) Word has length 180 [2024-11-17 04:43:54,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:54,541 INFO L225 Difference]: With dead ends: 4698 [2024-11-17 04:43:54,541 INFO L226 Difference]: Without dead ends: 3191 [2024-11-17 04:43:54,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 292 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 95 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2658 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=1387, Invalid=7924, Unknown=1, NotChecked=0, Total=9312 [2024-11-17 04:43:54,547 INFO L432 NwaCegarLoop]: 24 mSDtfsCounter, 619 mSDsluCounter, 367 mSDsCounter, 0 mSdLazyCounter, 1592 mSolverCounterSat, 104 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 621 SdHoareTripleChecker+Valid, 391 SdHoareTripleChecker+Invalid, 1696 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 104 IncrementalHoareTripleChecker+Valid, 1592 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:54,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [621 Valid, 391 Invalid, 1696 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [104 Valid, 1592 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 04:43:54,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3191 states. [2024-11-17 04:43:54,685 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3191 to 3114. [2024-11-17 04:43:54,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2945 states have (on average 1.0730050933786077) internal successors, (3160), 2948 states have internal predecessors, (3160), 163 states have call successors, (163), 2 states have call predecessors, (163), 2 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-17 04:43:54,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3486 transitions. [2024-11-17 04:43:54,697 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3486 transitions. Word has length 180 [2024-11-17 04:43:54,697 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:54,697 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3486 transitions. [2024-11-17 04:43:54,697 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 9.6) internal successors, (240), 26 states have internal predecessors, (240), 11 states have call successors, (13), 1 states have call predecessors, (13), 2 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-17 04:43:54,698 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3486 transitions. [2024-11-17 04:43:54,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 04:43:54,702 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:54,702 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:54,719 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 04:43:54,906 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 25 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-17 04:43:54,907 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:54,907 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:54,907 INFO L85 PathProgramCache]: Analyzing trace with hash -34098089, now seen corresponding path program 6 times [2024-11-17 04:43:54,908 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:54,908 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [332123658] [2024-11-17 04:43:54,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:54,908 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:54,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:54,939 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [2138480481] [2024-11-17 04:43:54,939 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:43:54,939 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:54,939 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:54,941 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 04:43:54,943 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 04:43:55,024 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 8 check-sat command(s) [2024-11-17 04:43:55,024 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:43:55,026 INFO L255 TraceCheckSpWp]: Trace formula consists of 268 conjuncts, 23 conjuncts are in the unsatisfiable core [2024-11-17 04:43:55,029 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:56,238 INFO L134 CoverageAnalysis]: Checked inductivity of 584 backedges. 6 proven. 466 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2024-11-17 04:43:56,239 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:43:56,649 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:43:56,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [332123658] [2024-11-17 04:43:56,649 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:43:56,650 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2138480481] [2024-11-17 04:43:56,650 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2138480481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:43:56,650 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:43:56,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2024-11-17 04:43:56,650 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133385998] [2024-11-17 04:43:56,650 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:43:56,651 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-17 04:43:56,651 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:43:56,651 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-17 04:43:56,653 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=52, Invalid=290, Unknown=0, NotChecked=0, Total=342 [2024-11-17 04:43:56,654 INFO L87 Difference]: Start difference. First operand 3114 states and 3486 transitions. Second operand has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:43:57,899 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:43:57,899 INFO L93 Difference]: Finished difference Result 3115 states and 3486 transitions. [2024-11-17 04:43:57,900 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-17 04:43:57,900 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) Word has length 201 [2024-11-17 04:43:57,901 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:43:57,909 INFO L225 Difference]: With dead ends: 3115 [2024-11-17 04:43:57,909 INFO L226 Difference]: Without dead ends: 3114 [2024-11-17 04:43:57,911 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 221 GetRequests, 198 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 73 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:43:57,912 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 63 mSDsluCounter, 490 mSDsCounter, 0 mSdLazyCounter, 1325 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 551 SdHoareTripleChecker+Invalid, 1330 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1325 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:43:57,912 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 551 Invalid, 1330 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 1325 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:43:57,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3114 states. [2024-11-17 04:43:58,063 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3114 to 3114. [2024-11-17 04:43:58,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3114 states, 2945 states have (on average 1.0726655348047538) internal successors, (3159), 2948 states have internal predecessors, (3159), 163 states have call successors, (163), 2 states have call predecessors, (163), 2 states have return successors, (163), 163 states have call predecessors, (163), 163 states have call successors, (163) [2024-11-17 04:43:58,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3114 states to 3114 states and 3485 transitions. [2024-11-17 04:43:58,074 INFO L78 Accepts]: Start accepts. Automaton has 3114 states and 3485 transitions. Word has length 201 [2024-11-17 04:43:58,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:43:58,074 INFO L471 AbstractCegarLoop]: Abstraction has 3114 states and 3485 transitions. [2024-11-17 04:43:58,074 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 9.733333333333333) internal successors, (146), 16 states have internal predecessors, (146), 8 states have call successors, (9), 1 states have call predecessors, (9), 2 states have return successors, (9), 7 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-17 04:43:58,075 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3485 transitions. [2024-11-17 04:43:58,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2024-11-17 04:43:58,079 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:43:58,079 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:43:58,096 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (26)] Ended with exit code 0 [2024-11-17 04:43:58,279 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,SelfDestructingSolverStorable28 [2024-11-17 04:43:58,280 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:43:58,280 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:43:58,280 INFO L85 PathProgramCache]: Analyzing trace with hash 1330760281, now seen corresponding path program 7 times [2024-11-17 04:43:58,280 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:43:58,280 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2101779550] [2024-11-17 04:43:58,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:43:58,280 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:43:58,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:43:58,303 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [240628596] [2024-11-17 04:43:58,304 INFO L93 rtionOrderModulation]: Changing assertion order to NOT_INCREMENTALLY [2024-11-17 04:43:58,304 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:43:58,304 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:43:58,306 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 04:43:58,307 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 04:43:58,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:43:58,382 INFO L255 TraceCheckSpWp]: Trace formula consists of 291 conjuncts, 43 conjuncts are in the unsatisfiable core [2024-11-17 04:43:58,385 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:43:59,370 INFO L134 CoverageAnalysis]: Checked inductivity of 608 backedges. 21 proven. 492 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:43:59,370 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:00,003 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:00,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2101779550] [2024-11-17 04:44:00,004 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:00,004 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [240628596] [2024-11-17 04:44:00,004 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [240628596] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:00,004 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:00,004 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2024-11-17 04:44:00,004 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [988523012] [2024-11-17 04:44:00,004 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:00,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 22 states [2024-11-17 04:44:00,005 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:00,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2024-11-17 04:44:00,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=62, Invalid=538, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:44:00,006 INFO L87 Difference]: Start difference. First operand 3114 states and 3485 transitions. Second operand has 22 states, 21 states have (on average 7.619047619047619) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:44:01,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:01,881 INFO L93 Difference]: Finished difference Result 4933 states and 5562 transitions. [2024-11-17 04:44:01,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:44:01,882 INFO L78 Accepts]: Start accepts. Automaton has has 22 states, 21 states have (on average 7.619047619047619) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) Word has length 201 [2024-11-17 04:44:01,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:01,892 INFO L225 Difference]: With dead ends: 4933 [2024-11-17 04:44:01,892 INFO L226 Difference]: Without dead ends: 3335 [2024-11-17 04:44:01,896 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 223 GetRequests, 192 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 55 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=122, Invalid=934, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:44:01,897 INFO L432 NwaCegarLoop]: 61 mSDtfsCounter, 107 mSDsluCounter, 818 mSDsCounter, 0 mSdLazyCounter, 2812 mSolverCounterSat, 11 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 108 SdHoareTripleChecker+Valid, 879 SdHoareTripleChecker+Invalid, 2823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 11 IncrementalHoareTripleChecker+Valid, 2812 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:01,897 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [108 Valid, 879 Invalid, 2823 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [11 Valid, 2812 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-11-17 04:44:01,899 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3335 states. [2024-11-17 04:44:02,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3335 to 3121. [2024-11-17 04:44:02,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3121 states, 2951 states have (on average 1.0725177905794645) internal successors, (3165), 2954 states have internal predecessors, (3165), 164 states have call successors, (164), 2 states have call predecessors, (164), 2 states have return successors, (164), 164 states have call predecessors, (164), 164 states have call successors, (164) [2024-11-17 04:44:02,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 3121 states and 3493 transitions. [2024-11-17 04:44:02,072 INFO L78 Accepts]: Start accepts. Automaton has 3121 states and 3493 transitions. Word has length 201 [2024-11-17 04:44:02,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:02,074 INFO L471 AbstractCegarLoop]: Abstraction has 3121 states and 3493 transitions. [2024-11-17 04:44:02,076 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 22 states, 21 states have (on average 7.619047619047619) internal successors, (160), 22 states have internal predecessors, (160), 9 states have call successors, (10), 1 states have call predecessors, (10), 2 states have return successors, (10), 9 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-17 04:44:02,076 INFO L276 IsEmpty]: Start isEmpty. Operand 3121 states and 3493 transitions. [2024-11-17 04:44:02,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2024-11-17 04:44:02,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:02,080 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 6, 6, 6, 6, 6, 6, 6, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:02,097 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 04:44:02,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,27 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:02,281 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:02,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:02,281 INFO L85 PathProgramCache]: Analyzing trace with hash 792066713, now seen corresponding path program 4 times [2024-11-17 04:44:02,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:02,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732836191] [2024-11-17 04:44:02,282 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:02,282 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:02,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:02,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,592 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:02,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:02,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,597 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:02,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,600 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:02,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,603 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,606 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,610 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:02,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,613 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:02,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:02,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:02,660 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 18 proven. 511 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:44:02,661 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:02,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732836191] [2024-11-17 04:44:02,661 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732836191] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:02,661 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [191454882] [2024-11-17 04:44:02,661 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:44:02,662 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:02,662 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:02,663 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 04:44:02,667 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 04:44:02,733 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:44:02,734 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:02,735 INFO L255 TraceCheckSpWp]: Trace formula consists of 293 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:44:02,738 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:03,067 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 21 proven. 508 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:44:03,067 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:03,615 INFO L134 CoverageAnalysis]: Checked inductivity of 624 backedges. 21 proven. 508 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-17 04:44:03,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [191454882] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:03,616 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:03,616 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13, 13, 13] total 25 [2024-11-17 04:44:03,616 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749499048] [2024-11-17 04:44:03,616 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:03,616 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 26 states [2024-11-17 04:44:03,617 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:03,617 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 26 interpolants. [2024-11-17 04:44:03,617 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=181, Invalid=469, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:44:03,618 INFO L87 Difference]: Start difference. First operand 3121 states and 3493 transitions. Second operand has 26 states, 25 states have (on average 13.32) internal successors, (333), 26 states have internal predecessors, (333), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-17 04:44:05,349 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:05,349 INFO L93 Difference]: Finished difference Result 6746 states and 7539 transitions. [2024-11-17 04:44:05,349 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 61 states. [2024-11-17 04:44:05,350 INFO L78 Accepts]: Start accepts. Automaton has has 26 states, 25 states have (on average 13.32) internal successors, (333), 26 states have internal predecessors, (333), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) Word has length 203 [2024-11-17 04:44:05,350 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:05,362 INFO L225 Difference]: With dead ends: 6746 [2024-11-17 04:44:05,362 INFO L226 Difference]: Without dead ends: 6745 [2024-11-17 04:44:05,364 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 412 SyntacticMatches, 0 SemanticMatches, 64 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1103 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1355, Invalid=2935, Unknown=0, NotChecked=0, Total=4290 [2024-11-17 04:44:05,364 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 255 mSDsluCounter, 298 mSDsCounter, 0 mSdLazyCounter, 570 mSolverCounterSat, 46 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 256 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 616 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 46 IncrementalHoareTripleChecker+Valid, 570 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:05,365 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [256 Valid, 319 Invalid, 616 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [46 Valid, 570 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-17 04:44:05,368 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6745 states. [2024-11-17 04:44:05,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6745 to 6528. [2024-11-17 04:44:05,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6528 states, 6202 states have (on average 1.0503063527894227) internal successors, (6514), 6205 states have internal predecessors, (6514), 320 states have call successors, (320), 2 states have call predecessors, (320), 2 states have return successors, (320), 320 states have call predecessors, (320), 320 states have call successors, (320) [2024-11-17 04:44:05,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6528 states to 6528 states and 7154 transitions. [2024-11-17 04:44:05,625 INFO L78 Accepts]: Start accepts. Automaton has 6528 states and 7154 transitions. Word has length 203 [2024-11-17 04:44:05,626 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:05,626 INFO L471 AbstractCegarLoop]: Abstraction has 6528 states and 7154 transitions. [2024-11-17 04:44:05,626 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 26 states, 25 states have (on average 13.32) internal successors, (333), 26 states have internal predecessors, (333), 18 states have call successors, (19), 1 states have call predecessors, (19), 2 states have return successors, (20), 18 states have call predecessors, (20), 18 states have call successors, (20) [2024-11-17 04:44:05,626 INFO L276 IsEmpty]: Start isEmpty. Operand 6528 states and 7154 transitions. [2024-11-17 04:44:05,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2024-11-17 04:44:05,630 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:05,630 INFO L215 NwaCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:05,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (28)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:05,830 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,28 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:05,831 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:05,831 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:05,831 INFO L85 PathProgramCache]: Analyzing trace with hash 1989913394, now seen corresponding path program 2 times [2024-11-17 04:44:05,831 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:05,831 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1832894942] [2024-11-17 04:44:05,831 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:05,831 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:05,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:06,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,047 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:06,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,052 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:06,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,056 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:06,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,059 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:06,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,062 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:06,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:06,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,067 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:06,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,070 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:06,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,072 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:44:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:44:06,080 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:06,080 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1832894942] [2024-11-17 04:44:06,081 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1832894942] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:06,081 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1431195101] [2024-11-17 04:44:06,081 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:44:06,081 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:06,081 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:06,083 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 04:44:06,084 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 04:44:06,155 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:44:06,155 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:06,157 INFO L255 TraceCheckSpWp]: Trace formula consists of 329 conjuncts, 10 conjuncts are in the unsatisfiable core [2024-11-17 04:44:06,160 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:06,414 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:44:06,414 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:06,819 INFO L134 CoverageAnalysis]: Checked inductivity of 800 backedges. 0 proven. 652 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:44:06,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1431195101] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:06,819 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:06,819 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 10, 10] total 20 [2024-11-17 04:44:06,820 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [527180939] [2024-11-17 04:44:06,820 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:06,820 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 04:44:06,820 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:06,821 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 04:44:06,821 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:44:06,821 INFO L87 Difference]: Start difference. First operand 6528 states and 7154 transitions. Second operand has 21 states, 20 states have (on average 17.1) internal successors, (342), 21 states have internal predecessors, (342), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:44:07,359 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:07,360 INFO L93 Difference]: Finished difference Result 9767 states and 10824 transitions. [2024-11-17 04:44:07,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2024-11-17 04:44:07,360 INFO L78 Accepts]: Start accepts. Automaton has has 21 states, 20 states have (on average 17.1) internal successors, (342), 21 states have internal predecessors, (342), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) Word has length 216 [2024-11-17 04:44:07,361 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:07,382 INFO L225 Difference]: With dead ends: 9767 [2024-11-17 04:44:07,383 INFO L226 Difference]: Without dead ends: 9766 [2024-11-17 04:44:07,388 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 462 GetRequests, 443 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 32 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=210, Invalid=210, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:44:07,389 INFO L432 NwaCegarLoop]: 33 mSDtfsCounter, 373 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 225 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 373 SdHoareTripleChecker+Valid, 417 SdHoareTripleChecker+Invalid, 227 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 225 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:07,389 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [373 Valid, 417 Invalid, 227 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 225 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:44:07,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9766 states. [2024-11-17 04:44:07,903 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9766 to 9748. [2024-11-17 04:44:07,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9748 states, 9252 states have (on average 1.059662775616083) internal successors, (9804), 9255 states have internal predecessors, (9804), 490 states have call successors, (490), 2 states have call predecessors, (490), 2 states have return successors, (490), 490 states have call predecessors, (490), 490 states have call successors, (490) [2024-11-17 04:44:07,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9748 states to 9748 states and 10784 transitions. [2024-11-17 04:44:07,929 INFO L78 Accepts]: Start accepts. Automaton has 9748 states and 10784 transitions. Word has length 216 [2024-11-17 04:44:07,929 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:07,929 INFO L471 AbstractCegarLoop]: Abstraction has 9748 states and 10784 transitions. [2024-11-17 04:44:07,930 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 21 states, 20 states have (on average 17.1) internal successors, (342), 21 states have internal predecessors, (342), 20 states have call successors, (21), 1 states have call predecessors, (21), 1 states have return successors, (21), 20 states have call predecessors, (21), 20 states have call successors, (21) [2024-11-17 04:44:07,930 INFO L276 IsEmpty]: Start isEmpty. Operand 9748 states and 10784 transitions. [2024-11-17 04:44:07,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-17 04:44:07,935 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:07,935 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 6, 6, 6, 6, 6, 6, 6, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:07,953 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 04:44:08,135 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,29 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:08,136 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:08,136 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:08,136 INFO L85 PathProgramCache]: Analyzing trace with hash -1568695668, now seen corresponding path program 8 times [2024-11-17 04:44:08,136 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:08,136 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391993513] [2024-11-17 04:44:08,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:08,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:08,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:08,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [130637935] [2024-11-17 04:44:08,158 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:44:08,158 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:08,158 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:08,160 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 04:44:08,162 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 04:44:08,232 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:44:08,233 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:08,234 INFO L255 TraceCheckSpWp]: Trace formula consists of 323 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:44:08,237 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:08,830 INFO L134 CoverageAnalysis]: Checked inductivity of 760 backedges. 0 proven. 522 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2024-11-17 04:44:08,830 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:09,920 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391993513] [2024-11-17 04:44:09,921 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:09,921 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [130637935] [2024-11-17 04:44:09,921 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [130637935] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:09,921 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:09,921 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2024-11-17 04:44:09,921 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [20007281] [2024-11-17 04:44:09,921 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:09,922 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-17 04:44:09,922 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:09,922 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-17 04:44:09,922 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:44:09,922 INFO L87 Difference]: Start difference. First operand 9748 states and 10784 transitions. Second operand has 9 states, 8 states have (on average 14.625) internal successors, (117), 9 states have internal predecessors, (117), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-17 04:44:10,531 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:10,531 INFO L93 Difference]: Finished difference Result 11109 states and 12266 transitions. [2024-11-17 04:44:10,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-17 04:44:10,531 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 8 states have (on average 14.625) internal successors, (117), 9 states have internal predecessors, (117), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) Word has length 224 [2024-11-17 04:44:10,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:10,551 INFO L225 Difference]: With dead ends: 11109 [2024-11-17 04:44:10,551 INFO L226 Difference]: Without dead ends: 11108 [2024-11-17 04:44:10,556 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 376 GetRequests, 364 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=50, Invalid=132, Unknown=0, NotChecked=0, Total=182 [2024-11-17 04:44:10,556 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 24 mSDsluCounter, 361 mSDsCounter, 0 mSdLazyCounter, 482 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 437 SdHoareTripleChecker+Invalid, 482 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:10,557 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 437 Invalid, 482 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 482 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:44:10,564 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11108 states. [2024-11-17 04:44:11,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11108 to 10706. [2024-11-17 04:44:11,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10706 states, 10163 states have (on average 1.057266555151038) internal successors, (10745), 10166 states have internal predecessors, (10745), 537 states have call successors, (537), 2 states have call predecessors, (537), 2 states have return successors, (537), 537 states have call predecessors, (537), 537 states have call successors, (537) [2024-11-17 04:44:11,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10706 states to 10706 states and 11819 transitions. [2024-11-17 04:44:11,140 INFO L78 Accepts]: Start accepts. Automaton has 10706 states and 11819 transitions. Word has length 224 [2024-11-17 04:44:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:11,141 INFO L471 AbstractCegarLoop]: Abstraction has 10706 states and 11819 transitions. [2024-11-17 04:44:11,141 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 8 states have (on average 14.625) internal successors, (117), 9 states have internal predecessors, (117), 6 states have call successors, (7), 1 states have call predecessors, (7), 1 states have return successors, (7), 6 states have call predecessors, (7), 6 states have call successors, (7) [2024-11-17 04:44:11,141 INFO L276 IsEmpty]: Start isEmpty. Operand 10706 states and 11819 transitions. [2024-11-17 04:44:11,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-17 04:44:11,147 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:11,148 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 7, 7, 7, 7, 7, 7, 7, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:11,163 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 04:44:11,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32,30 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:11,348 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:11,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:11,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1477839595, now seen corresponding path program 9 times [2024-11-17 04:44:11,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:11,349 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023327074] [2024-11-17 04:44:11,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:11,349 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:11,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,633 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:11,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,635 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,636 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:11,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,638 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:11,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,639 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,642 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:11,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:11,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,647 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:11,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:11,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:44:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:11,659 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 163 proven. 473 refuted. 0 times theorem prover too weak. 148 trivial. 0 not checked. [2024-11-17 04:44:11,659 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:11,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023327074] [2024-11-17 04:44:11,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023327074] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:11,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [250968306] [2024-11-17 04:44:11,660 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:44:11,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:11,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:11,662 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 04:44:11,665 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 04:44:11,728 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 6 check-sat command(s) [2024-11-17 04:44:11,728 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:11,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 204 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:44:11,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:12,244 INFO L134 CoverageAnalysis]: Checked inductivity of 784 backedges. 0 proven. 470 refuted. 0 times theorem prover too weak. 314 trivial. 0 not checked. [2024-11-17 04:44:12,244 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:12,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [250968306] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:12,558 INFO L185 FreeRefinementEngine]: Found 0 perfect and 2 imperfect interpolant sequences. [2024-11-17 04:44:12,558 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 8] total 19 [2024-11-17 04:44:12,558 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [860249113] [2024-11-17 04:44:12,558 INFO L85 oduleStraightlineAll]: Using 2 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:12,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-17 04:44:12,559 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:12,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-17 04:44:12,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=390, Unknown=0, NotChecked=0, Total=462 [2024-11-17 04:44:12,560 INFO L87 Difference]: Start difference. First operand 10706 states and 11819 transitions. Second operand has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-17 04:44:14,771 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:14,771 INFO L93 Difference]: Finished difference Result 18612 states and 20779 transitions. [2024-11-17 04:44:14,771 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2024-11-17 04:44:14,772 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) Word has length 224 [2024-11-17 04:44:14,772 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:14,795 INFO L225 Difference]: With dead ends: 18612 [2024-11-17 04:44:14,795 INFO L226 Difference]: Without dead ends: 14141 [2024-11-17 04:44:14,803 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 252 SyntacticMatches, 0 SemanticMatches, 47 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 602 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=313, Invalid=2039, Unknown=0, NotChecked=0, Total=2352 [2024-11-17 04:44:14,804 INFO L432 NwaCegarLoop]: 135 mSDtfsCounter, 354 mSDsluCounter, 1083 mSDsCounter, 0 mSdLazyCounter, 2196 mSolverCounterSat, 27 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 354 SdHoareTripleChecker+Valid, 1218 SdHoareTripleChecker+Invalid, 2223 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 27 IncrementalHoareTripleChecker+Valid, 2196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:14,804 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [354 Valid, 1218 Invalid, 2223 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [27 Valid, 2196 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-17 04:44:14,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14141 states. [2024-11-17 04:44:15,386 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14141 to 11950. [2024-11-17 04:44:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11950 states, 11340 states have (on average 1.053968253968254) internal successors, (11952), 11343 states have internal predecessors, (11952), 604 states have call successors, (604), 2 states have call predecessors, (604), 2 states have return successors, (604), 604 states have call predecessors, (604), 604 states have call successors, (604) [2024-11-17 04:44:15,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 13160 transitions. [2024-11-17 04:44:15,419 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 13160 transitions. Word has length 224 [2024-11-17 04:44:15,419 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:15,419 INFO L471 AbstractCegarLoop]: Abstraction has 11950 states and 13160 transitions. [2024-11-17 04:44:15,419 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 14.578947368421053) internal successors, (277), 19 states have internal predecessors, (277), 15 states have call successors, (16), 1 states have call predecessors, (16), 1 states have return successors, (16), 15 states have call predecessors, (16), 15 states have call successors, (16) [2024-11-17 04:44:15,420 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 13160 transitions. [2024-11-17 04:44:15,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-17 04:44:15,423 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:15,423 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:15,440 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 04:44:15,623 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,SelfDestructingSolverStorable33 [2024-11-17 04:44:15,624 INFO L396 AbstractCegarLoop]: === Iteration 35 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:15,624 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:15,624 INFO L85 PathProgramCache]: Analyzing trace with hash -1354313578, now seen corresponding path program 10 times [2024-11-17 04:44:15,624 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:15,624 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [289377778] [2024-11-17 04:44:15,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:15,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:15,652 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1436422035] [2024-11-17 04:44:15,652 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:44:15,652 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:15,652 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:15,654 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 04:44:15,656 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 04:44:15,742 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:44:15,742 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:15,745 INFO L255 TraceCheckSpWp]: Trace formula consists of 358 conjuncts, 40 conjuncts are in the unsatisfiable core [2024-11-17 04:44:15,748 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:18,398 INFO L134 CoverageAnalysis]: Checked inductivity of 929 backedges. 27 proven. 748 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2024-11-17 04:44:18,399 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:23,121 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:23,121 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [289377778] [2024-11-17 04:44:23,122 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:23,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1436422035] [2024-11-17 04:44:23,122 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1436422035] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:23,122 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:23,122 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32] total 32 [2024-11-17 04:44:23,122 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1998694659] [2024-11-17 04:44:23,122 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:23,123 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:44:23,123 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:23,123 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:44:23,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=253, Invalid=1152, Unknown=1, NotChecked=0, Total=1406 [2024-11-17 04:44:23,124 INFO L87 Difference]: Start difference. First operand 11950 states and 13160 transitions. Second operand has 33 states, 31 states have (on average 6.419354838709677) internal successors, (199), 31 states have internal predecessors, (199), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:25,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:25,616 INFO L93 Difference]: Finished difference Result 11951 states and 13160 transitions. [2024-11-17 04:44:25,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-17 04:44:25,617 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 31 states have (on average 6.419354838709677) internal successors, (199), 31 states have internal predecessors, (199), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) Word has length 247 [2024-11-17 04:44:25,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:25,636 INFO L225 Difference]: With dead ends: 11951 [2024-11-17 04:44:25,637 INFO L226 Difference]: Without dead ends: 11950 [2024-11-17 04:44:25,642 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 293 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1343 ImplicationChecksByTransitivity, 6.2s TimeCoverageRelationStatistics Valid=1012, Invalid=3817, Unknown=1, NotChecked=0, Total=4830 [2024-11-17 04:44:25,642 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 166 mSDsluCounter, 428 mSDsCounter, 0 mSdLazyCounter, 1463 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.9s Time, 0 mProtectedPredicate, 0 mProtectedAction, 167 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 1471 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 1463 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:25,642 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [167 Valid, 465 Invalid, 1471 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 1463 Invalid, 0 Unknown, 0 Unchecked, 1.0s Time] [2024-11-17 04:44:25,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11950 states. [2024-11-17 04:44:26,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11950 to 11950. [2024-11-17 04:44:26,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11950 states, 11340 states have (on average 1.0538800705467373) internal successors, (11951), 11343 states have internal predecessors, (11951), 604 states have call successors, (604), 2 states have call predecessors, (604), 2 states have return successors, (604), 604 states have call predecessors, (604), 604 states have call successors, (604) [2024-11-17 04:44:26,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11950 states to 11950 states and 13159 transitions. [2024-11-17 04:44:26,154 INFO L78 Accepts]: Start accepts. Automaton has 11950 states and 13159 transitions. Word has length 247 [2024-11-17 04:44:26,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:26,154 INFO L471 AbstractCegarLoop]: Abstraction has 11950 states and 13159 transitions. [2024-11-17 04:44:26,155 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 31 states have (on average 6.419354838709677) internal successors, (199), 31 states have internal predecessors, (199), 12 states have call successors, (12), 1 states have call predecessors, (12), 3 states have return successors, (12), 11 states have call predecessors, (12), 12 states have call successors, (12) [2024-11-17 04:44:26,155 INFO L276 IsEmpty]: Start isEmpty. Operand 11950 states and 13159 transitions. [2024-11-17 04:44:26,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 248 [2024-11-17 04:44:26,158 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:26,158 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:26,176 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (32)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:26,362 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable34,32 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:26,363 INFO L396 AbstractCegarLoop]: === Iteration 36 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:26,363 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:26,363 INFO L85 PathProgramCache]: Analyzing trace with hash 1246108987, now seen corresponding path program 11 times [2024-11-17 04:44:26,364 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:26,364 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1206979925] [2024-11-17 04:44:26,364 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:26,364 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unknown [2024-11-17 04:44:26,384 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleZ3 [1247167712] [2024-11-17 04:44:26,384 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-17 04:44:26,385 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:26,385 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:26,386 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 04:44:26,394 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 04:44:26,481 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 11 check-sat command(s) [2024-11-17 04:44:26,481 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:26,486 INFO L255 TraceCheckSpWp]: Trace formula consists of 349 conjuncts, 41 conjuncts are in the unsatisfiable core [2024-11-17 04:44:26,489 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:27,747 INFO L134 CoverageAnalysis]: Checked inductivity of 983 backedges. 15 proven. 811 refuted. 0 times theorem prover too weak. 157 trivial. 0 not checked. [2024-11-17 04:44:27,747 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:28,174 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1206979925] [2024-11-17 04:44:28,174 WARN L311 FreeRefinementEngine]: Interpolation failed due to KNOWN_IGNORE: SMT_SOLVER_CANNOT_INTERPOLATE_INPUT [2024-11-17 04:44:28,174 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1247167712] [2024-11-17 04:44:28,174 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1247167712] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:28,175 INFO L185 FreeRefinementEngine]: Found 0 perfect and 1 imperfect interpolant sequences. [2024-11-17 04:44:28,175 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2024-11-17 04:44:28,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272729613] [2024-11-17 04:44:28,175 INFO L85 oduleStraightlineAll]: Using 1 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:28,175 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 23 states [2024-11-17 04:44:28,175 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:28,176 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2024-11-17 04:44:28,176 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=90, Invalid=560, Unknown=0, NotChecked=0, Total=650 [2024-11-17 04:44:28,176 INFO L87 Difference]: Start difference. First operand 11950 states and 13159 transitions. Second operand has 23 states, 22 states have (on average 8.909090909090908) internal successors, (196), 23 states have internal predecessors, (196), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-17 04:44:30,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:30,062 INFO L93 Difference]: Finished difference Result 15959 states and 17696 transitions. [2024-11-17 04:44:30,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2024-11-17 04:44:30,063 INFO L78 Accepts]: Start accepts. Automaton has has 23 states, 22 states have (on average 8.909090909090908) internal successors, (196), 23 states have internal predecessors, (196), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) Word has length 247 [2024-11-17 04:44:30,063 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:30,077 INFO L225 Difference]: With dead ends: 15959 [2024-11-17 04:44:30,077 INFO L226 Difference]: Without dead ends: 11923 [2024-11-17 04:44:30,086 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 262 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=99, Invalid=603, Unknown=0, NotChecked=0, Total=702 [2024-11-17 04:44:30,087 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 28 mSDsluCounter, 879 mSDsCounter, 0 mSdLazyCounter, 2702 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 964 SdHoareTripleChecker+Invalid, 2703 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 2702 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.5s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:30,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 964 Invalid, 2703 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 2702 Invalid, 0 Unknown, 0 Unchecked, 1.5s Time] [2024-11-17 04:44:30,093 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11923 states. [2024-11-17 04:44:30,608 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11923 to 11837. [2024-11-17 04:44:30,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 11837 states, 11233 states have (on average 1.0536811181340693) internal successors, (11836), 11236 states have internal predecessors, (11836), 598 states have call successors, (598), 2 states have call predecessors, (598), 2 states have return successors, (598), 598 states have call predecessors, (598), 598 states have call successors, (598) [2024-11-17 04:44:30,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11837 states to 11837 states and 13032 transitions. [2024-11-17 04:44:30,649 INFO L78 Accepts]: Start accepts. Automaton has 11837 states and 13032 transitions. Word has length 247 [2024-11-17 04:44:30,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:30,650 INFO L471 AbstractCegarLoop]: Abstraction has 11837 states and 13032 transitions. [2024-11-17 04:44:30,651 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 23 states, 22 states have (on average 8.909090909090908) internal successors, (196), 23 states have internal predecessors, (196), 11 states have call successors, (12), 1 states have call predecessors, (12), 2 states have return successors, (12), 11 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-17 04:44:30,651 INFO L276 IsEmpty]: Start isEmpty. Operand 11837 states and 13032 transitions. [2024-11-17 04:44:30,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2024-11-17 04:44:30,656 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:30,656 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:30,673 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (33)] Ended with exit code 0 [2024-11-17 04:44:30,860 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable35,33 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:30,861 INFO L396 AbstractCegarLoop]: === Iteration 37 === Targeting ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:30,861 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:30,862 INFO L85 PathProgramCache]: Analyzing trace with hash 735000462, now seen corresponding path program 2 times [2024-11-17 04:44:30,862 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:30,862 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [895700233] [2024-11-17 04:44:30,862 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:30,862 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:30,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:31,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,143 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:31,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,145 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:31,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,147 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,149 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:31,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,152 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:31,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:31,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,157 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:31,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,159 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:31,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:44:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,166 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:44:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,169 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-17 04:44:31,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:31,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [895700233] [2024-11-17 04:44:31,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [895700233] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:31,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [773714066] [2024-11-17 04:44:31,174 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:44:31,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:31,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:31,176 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 04:44:31,178 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 04:44:31,250 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:44:31,251 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:31,252 INFO L255 TraceCheckSpWp]: Trace formula consists of 359 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:44:31,254 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:31,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:31,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:32,041 INFO L134 CoverageAnalysis]: Checked inductivity of 1199 backedges. 0 proven. 975 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:32,041 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [773714066] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:32,041 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:32,041 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-11-17 04:44:32,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1687296488] [2024-11-17 04:44:32,042 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:32,042 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-11-17 04:44:32,042 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:32,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-11-17 04:44:32,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:44:32,044 INFO L87 Difference]: Start difference. First operand 11837 states and 13032 transitions. Second operand has 25 states, 24 states have (on average 17.0) internal successors, (408), 25 states have internal predecessors, (408), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-17 04:44:32,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:44:32,823 INFO L93 Difference]: Finished difference Result 16657 states and 18855 transitions. [2024-11-17 04:44:32,823 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:44:32,823 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 24 states have (on average 17.0) internal successors, (408), 25 states have internal predecessors, (408), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) Word has length 259 [2024-11-17 04:44:32,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:44:32,847 INFO L225 Difference]: With dead ends: 16657 [2024-11-17 04:44:32,847 INFO L226 Difference]: Without dead ends: 16656 [2024-11-17 04:44:32,853 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 554 GetRequests, 531 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-11-17 04:44:32,854 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 27 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 276 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 262 SdHoareTripleChecker+Invalid, 282 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 276 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:44:32,854 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 262 Invalid, 282 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 276 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:44:32,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16656 states. [2024-11-17 04:44:33,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16656 to 16656. [2024-11-17 04:44:33,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16656 states, 15797 states have (on average 1.0688738368044566) internal successors, (16885), 15800 states have internal predecessors, (16885), 853 states have call successors, (853), 2 states have call predecessors, (853), 2 states have return successors, (853), 853 states have call predecessors, (853), 853 states have call successors, (853) [2024-11-17 04:44:33,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16656 states to 16656 states and 18591 transitions. [2024-11-17 04:44:33,497 INFO L78 Accepts]: Start accepts. Automaton has 16656 states and 18591 transitions. Word has length 259 [2024-11-17 04:44:33,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:44:33,498 INFO L471 AbstractCegarLoop]: Abstraction has 16656 states and 18591 transitions. [2024-11-17 04:44:33,498 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 24 states have (on average 17.0) internal successors, (408), 25 states have internal predecessors, (408), 24 states have call successors, (25), 1 states have call predecessors, (25), 1 states have return successors, (25), 24 states have call predecessors, (25), 24 states have call successors, (25) [2024-11-17 04:44:33,498 INFO L276 IsEmpty]: Start isEmpty. Operand 16656 states and 18591 transitions. [2024-11-17 04:44:33,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2024-11-17 04:44:33,503 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:44:33,503 INFO L215 NwaCegarLoop]: trace histogram [12, 12, 12, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 9, 9, 9, 9, 9, 9, 9, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:44:33,516 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (34)] Forceful destruction successful, exit code 0 [2024-11-17 04:44:33,703 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,SelfDestructingSolverStorable36 [2024-11-17 04:44:33,704 INFO L396 AbstractCegarLoop]: === Iteration 38 === Targeting ULTIMATE.startErr18ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 17 more)] === [2024-11-17 04:44:33,704 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:44:33,704 INFO L85 PathProgramCache]: Analyzing trace with hash 625225293, now seen corresponding path program 12 times [2024-11-17 04:44:33,704 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:44:33,704 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [342069620] [2024-11-17 04:44:33,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:44:33,704 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:44:33,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,017 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-17 04:44:34,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,019 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-11-17 04:44:34,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-11-17 04:44:34,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,022 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 44 [2024-11-17 04:44:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,024 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 67 [2024-11-17 04:44:34,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,026 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 90 [2024-11-17 04:44:34,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,028 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 113 [2024-11-17 04:44:34,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,030 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 136 [2024-11-17 04:44:34,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 159 [2024-11-17 04:44:34,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,034 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 182 [2024-11-17 04:44:34,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,036 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 205 [2024-11-17 04:44:34,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 228 [2024-11-17 04:44:34,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,041 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 251 [2024-11-17 04:44:34,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:44:34,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 244 proven. 737 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:34,044 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:44:34,044 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [342069620] [2024-11-17 04:44:34,044 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [342069620] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:44:34,045 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1303481993] [2024-11-17 04:44:34,045 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-11-17 04:44:34,045 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:44:34,045 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:44:34,047 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 04:44:34,048 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 04:44:34,211 INFO L227 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 12 check-sat command(s) [2024-11-17 04:44:34,211 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:44:34,213 INFO L255 TraceCheckSpWp]: Trace formula consists of 378 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-17 04:44:34,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:44:34,740 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 305 proven. 676 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:34,740 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:44:35,181 INFO L134 CoverageAnalysis]: Checked inductivity of 1205 backedges. 305 proven. 676 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2024-11-17 04:44:35,181 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1303481993] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:44:35,181 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:44:35,181 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 21 [2024-11-17 04:44:35,181 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1653755604] [2024-11-17 04:44:35,181 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:44:35,182 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 21 states [2024-11-17 04:44:35,182 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:44:35,183 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2024-11-17 04:44:35,183 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=108, Invalid=312, Unknown=0, NotChecked=0, Total=420 [2024-11-17 04:44:35,184 INFO L87 Difference]: Start difference. First operand 16656 states and 18591 transitions. Second operand has 21 states, 21 states have (on average 15.904761904761905) internal successors, (334), 21 states have internal predecessors, (334), 19 states have call successors, (20), 1 states have call predecessors, (20), 1 states have return successors, (20), 19 states have call predecessors, (20), 19 states have call successors, (20)