./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 803cd42f Calling Ultimate with: /root/.sdkman/candidates/java/current/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/bitvector/soft_float_2a.c.cil.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 f330893f1140a32f6e6dacd6cc5115391759545d59ea17334f6f3b644ed5a51c --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-803cd42-m [2024-11-22 22:02:07,421 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-22 22:02:07,471 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-22 22:02:07,474 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-22 22:02:07,474 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-22 22:02:07,491 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-22 22:02:07,491 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-22 22:02:07,491 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-22 22:02:07,492 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-22 22:02:07,492 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-22 22:02:07,494 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-22 22:02:07,494 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-22 22:02:07,495 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-22 22:02:07,496 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-22 22:02:07,499 INFO L153 SettingsManager]: * Use SBE=true [2024-11-22 22:02:07,499 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-22 22:02:07,499 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-22 22:02:07,500 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-22 22:02:07,500 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-22 22:02:07,500 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-22 22:02:07,500 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-22 22:02:07,501 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-22 22:02:07,501 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-22 22:02:07,501 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-22 22:02:07,501 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-22 22:02:07,502 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-22 22:02:07,502 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-22 22:02:07,502 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-22 22:02:07,502 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-22 22:02:07,502 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-22 22:02:07,503 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-22 22:02:07,503 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-22 22:02:07,503 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-22 22:02:07,503 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-22 22:02:07,503 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:02:07,504 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-22 22:02:07,504 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-22 22:02:07,504 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-22 22:02:07,504 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-22 22:02:07,504 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-22 22:02:07,504 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-22 22:02:07,505 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-22 22:02:07,505 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-22 22:02:07,505 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-22 22:02:07,506 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f330893f1140a32f6e6dacd6cc5115391759545d59ea17334f6f3b644ed5a51c [2024-11-22 22:02:07,682 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-22 22:02:07,697 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-22 22:02:07,699 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-22 22:02:07,700 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-22 22:02:07,700 INFO L274 PluginConnector]: CDTParser initialized [2024-11-22 22:02:07,701 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c [2024-11-22 22:02:09,079 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-22 22:02:09,245 INFO L384 CDTParser]: Found 1 translation units. [2024-11-22 22:02:09,246 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c [2024-11-22 22:02:09,255 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125ccb6bd/5e559f751a2f430ca1dbe986cb76c0c4/FLAG944312281 [2024-11-22 22:02:09,640 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/125ccb6bd/5e559f751a2f430ca1dbe986cb76c0c4 [2024-11-22 22:02:09,642 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-22 22:02:09,643 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-22 22:02:09,644 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-22 22:02:09,644 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-22 22:02:09,651 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-22 22:02:09,652 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,652 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13866e2e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09, skipping insertion in model container [2024-11-22 22:02:09,653 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,676 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-22 22:02:09,839 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:02:09,846 INFO L200 MainTranslator]: Completed pre-run [2024-11-22 22:02:09,877 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-22 22:02:09,889 INFO L204 MainTranslator]: Completed translation [2024-11-22 22:02:09,890 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09 WrapperNode [2024-11-22 22:02:09,890 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-22 22:02:09,891 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-22 22:02:09,891 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-22 22:02:09,891 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-22 22:02:09,896 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,902 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,919 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2024-11-22 22:02:09,919 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-22 22:02:09,920 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-22 22:02:09,920 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-22 22:02:09,920 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-22 22:02:09,931 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,931 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,935 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,947 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]. [2024-11-22 22:02:09,947 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,948 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,951 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,954 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,955 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,956 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,958 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-22 22:02:09,963 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-22 22:02:09,963 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-22 22:02:09,964 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-22 22:02:09,964 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (1/1) ... [2024-11-22 22:02:09,969 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-22 22:02:09,979 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:09,994 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) [2024-11-22 22:02:09,996 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 [2024-11-22 22:02:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-22 22:02:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-22 22:02:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-22 22:02:10,039 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-22 22:02:10,039 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-22 22:02:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-22 22:02:10,040 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-22 22:02:10,040 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-22 22:02:10,097 INFO L238 CfgBuilder]: Building ICFG [2024-11-22 22:02:10,099 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-22 22:02:10,449 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-22 22:02:10,450 INFO L287 CfgBuilder]: Performing block encoding [2024-11-22 22:02:10,462 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-22 22:02:10,462 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-22 22:02:10,463 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:10 BoogieIcfgContainer [2024-11-22 22:02:10,463 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-22 22:02:10,465 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-22 22:02:10,465 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-22 22:02:10,468 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-22 22:02:10,468 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.11 10:02:09" (1/3) ... [2024-11-22 22:02:10,468 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f01e4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:02:10, skipping insertion in model container [2024-11-22 22:02:10,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 10:02:09" (2/3) ... [2024-11-22 22:02:10,469 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@f01e4f2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.11 10:02:10, skipping insertion in model container [2024-11-22 22:02:10,469 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 10:02:10" (3/3) ... [2024-11-22 22:02:10,470 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_2a.c.cil.c [2024-11-22 22:02:10,484 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-22 22:02:10,484 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-22 22:02:10,531 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-22 22:02:10,537 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;@41b7bce2, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-22 22:02:10,537 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-22 22:02:10,541 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 85 states have (on average 1.6235294117647059) internal successors, (138), 104 states have internal predecessors, (138), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-22 22:02:10,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-22 22:02:10,546 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:10,547 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:10,547 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:10,551 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:10,551 INFO L85 PathProgramCache]: Analyzing trace with hash -370041501, now seen corresponding path program 1 times [2024-11-22 22:02:10,557 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:10,558 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2072011894] [2024-11-22 22:02:10,558 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:10,558 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:10,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:10,740 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:10,741 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:10,741 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2072011894] [2024-11-22 22:02:10,742 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2072011894] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:10,742 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:10,742 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:10,744 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2068010379] [2024-11-22 22:02:10,744 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:10,747 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:02:10,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:10,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:02:10,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:02:10,771 INFO L87 Difference]: Start difference. First operand has 111 states, 85 states have (on average 1.6235294117647059) internal successors, (138), 104 states have internal predecessors, (138), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:10,890 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:10,891 INFO L93 Difference]: Finished difference Result 267 states and 380 transitions. [2024-11-22 22:02:10,892 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:02:10,893 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-22 22:02:10,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:10,901 INFO L225 Difference]: With dead ends: 267 [2024-11-22 22:02:10,901 INFO L226 Difference]: Without dead ends: 139 [2024-11-22 22:02:10,904 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:10,907 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 85 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:10,907 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 362 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:10,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-22 22:02:10,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 129. [2024-11-22 22:02:10,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 122 states have internal predecessors, (160), 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) [2024-11-22 22:02:10,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 168 transitions. [2024-11-22 22:02:10,946 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 168 transitions. Word has length 9 [2024-11-22 22:02:10,946 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:10,946 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 168 transitions. [2024-11-22 22:02:10,946 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:10,947 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2024-11-22 22:02:10,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 22:02:10,948 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:10,948 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:10,948 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-22 22:02:10,949 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:10,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:10,949 INFO L85 PathProgramCache]: Analyzing trace with hash 968438909, now seen corresponding path program 1 times [2024-11-22 22:02:10,949 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:10,950 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052231409] [2024-11-22 22:02:10,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:10,950 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:10,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:10,991 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:10,991 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:10,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052231409] [2024-11-22 22:02:10,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052231409] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:10,992 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:10,992 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:10,992 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1446704751] [2024-11-22 22:02:10,994 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:10,995 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:10,995 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:10,996 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:10,996 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:10,996 INFO L87 Difference]: Start difference. First operand 129 states and 168 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:11,036 INFO L93 Difference]: Finished difference Result 269 states and 357 transitions. [2024-11-22 22:02:11,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:11,037 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-22 22:02:11,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:11,038 INFO L225 Difference]: With dead ends: 269 [2024-11-22 22:02:11,038 INFO L226 Difference]: Without dead ends: 143 [2024-11-22 22:02:11,039 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:11,040 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 12 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:11,041 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 189 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:11,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-22 22:02:11,051 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2024-11-22 22:02:11,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 113 states have (on average 1.4513274336283186) internal successors, (164), 126 states have internal predecessors, (164), 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) [2024-11-22 22:02:11,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 172 transitions. [2024-11-22 22:02:11,057 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 172 transitions. Word has length 14 [2024-11-22 22:02:11,058 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:11,058 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 172 transitions. [2024-11-22 22:02:11,058 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,058 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2024-11-22 22:02:11,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-22 22:02:11,060 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:11,060 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:11,060 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-22 22:02:11,060 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:11,061 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:11,061 INFO L85 PathProgramCache]: Analyzing trace with hash 968327563, now seen corresponding path program 1 times [2024-11-22 22:02:11,061 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:11,061 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [386109220] [2024-11-22 22:02:11,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:11,062 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:11,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:11,093 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-22 22:02:11,093 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:11,093 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [386109220] [2024-11-22 22:02:11,094 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [386109220] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:11,094 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:11,094 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:02:11,094 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [654919199] [2024-11-22 22:02:11,094 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:11,095 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:11,095 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:11,095 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:11,096 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:11,096 INFO L87 Difference]: Start difference. First operand 133 states and 172 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:11,124 INFO L93 Difference]: Finished difference Result 133 states and 172 transitions. [2024-11-22 22:02:11,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:11,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-22 22:02:11,125 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:11,125 INFO L225 Difference]: With dead ends: 133 [2024-11-22 22:02:11,125 INFO L226 Difference]: Without dead ends: 132 [2024-11-22 22:02:11,126 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:11,127 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:11,127 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 186 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:11,128 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-22 22:02:11,138 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-22 22:02:11,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.4336283185840708) internal successors, (162), 125 states have internal predecessors, (162), 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) [2024-11-22 22:02:11,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2024-11-22 22:02:11,140 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 14 [2024-11-22 22:02:11,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:11,140 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2024-11-22 22:02:11,140 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,140 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2024-11-22 22:02:11,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:02:11,141 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:11,141 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:11,141 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-22 22:02:11,141 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:11,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:11,142 INFO L85 PathProgramCache]: Analyzing trace with hash -1661888495, now seen corresponding path program 1 times [2024-11-22 22:02:11,142 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:11,142 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [189781799] [2024-11-22 22:02:11,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:11,142 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:11,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:11,200 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:11,200 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:11,200 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [189781799] [2024-11-22 22:02:11,201 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [189781799] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:11,201 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [329796891] [2024-11-22 22:02:11,201 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:11,201 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:11,201 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:11,204 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) [2024-11-22 22:02:11,207 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-22 22:02:11,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:11,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:02:11,250 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:11,312 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:11,312 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:11,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [329796891] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:11,312 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:11,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-22 22:02:11,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1871439258] [2024-11-22 22:02:11,312 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:11,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:02:11,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:11,313 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:02:11,313 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:02:11,313 INFO L87 Difference]: Start difference. First operand 132 states and 170 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:11,404 INFO L93 Difference]: Finished difference Result 165 states and 220 transitions. [2024-11-22 22:02:11,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:02:11,404 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-22 22:02:11,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:11,405 INFO L225 Difference]: With dead ends: 165 [2024-11-22 22:02:11,405 INFO L226 Difference]: Without dead ends: 163 [2024-11-22 22:02:11,406 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:02:11,406 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 28 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:11,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 199 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:11,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-22 22:02:11,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-11-22 22:02:11,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 120 states have (on average 1.4083333333333334) internal successors, (169), 132 states have internal predecessors, (169), 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) [2024-11-22 22:02:11,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 177 transitions. [2024-11-22 22:02:11,416 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 177 transitions. Word has length 15 [2024-11-22 22:02:11,417 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:11,417 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 177 transitions. [2024-11-22 22:02:11,417 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, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,417 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-11-22 22:02:11,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-22 22:02:11,418 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:11,418 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:11,427 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:11,622 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:11,623 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:11,623 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:11,623 INFO L85 PathProgramCache]: Analyzing trace with hash -46616562, now seen corresponding path program 1 times [2024-11-22 22:02:11,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:11,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127066901] [2024-11-22 22:02:11,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:11,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:11,730 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:11,730 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127066901] [2024-11-22 22:02:11,730 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127066901] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:11,730 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1793087202] [2024-11-22 22:02:11,730 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:11,731 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:11,731 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:11,734 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) [2024-11-22 22:02:11,738 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-22 22:02:11,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:11,766 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:02:11,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:11,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:11,779 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:11,780 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1793087202] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:11,780 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:11,780 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-22 22:02:11,780 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1804505382] [2024-11-22 22:02:11,780 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:11,780 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:11,781 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:11,781 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:11,781 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:11,781 INFO L87 Difference]: Start difference. First operand 139 states and 177 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,810 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:11,810 INFO L93 Difference]: Finished difference Result 145 states and 185 transitions. [2024-11-22 22:02:11,811 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:11,811 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-22 22:02:11,811 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:11,812 INFO L225 Difference]: With dead ends: 145 [2024-11-22 22:02:11,812 INFO L226 Difference]: Without dead ends: 144 [2024-11-22 22:02:11,812 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:11,813 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 14 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:11,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 183 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:11,814 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-22 22:02:11,818 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2024-11-22 22:02:11,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 122 states have (on average 1.401639344262295) internal successors, (171), 134 states have internal predecessors, (171), 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) [2024-11-22 22:02:11,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 179 transitions. [2024-11-22 22:02:11,819 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 179 transitions. Word has length 15 [2024-11-22 22:02:11,819 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:11,819 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 179 transitions. [2024-11-22 22:02:11,819 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:11,820 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 179 transitions. [2024-11-22 22:02:11,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:02:11,821 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:11,821 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:11,827 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-22 22:02:12,021 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 [2024-11-22 22:02:12,021 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:12,022 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:12,022 INFO L85 PathProgramCache]: Analyzing trace with hash 21064300, now seen corresponding path program 1 times [2024-11-22 22:02:12,022 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:12,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210097560] [2024-11-22 22:02:12,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:12,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,041 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-22 22:02:12,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:12,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210097560] [2024-11-22 22:02:12,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [210097560] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:12,042 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:12,042 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-22 22:02:12,042 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2107549286] [2024-11-22 22:02:12,042 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:12,043 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:12,043 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:12,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:12,043 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:12,043 INFO L87 Difference]: Start difference. First operand 141 states and 179 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:12,064 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:12,065 INFO L93 Difference]: Finished difference Result 141 states and 179 transitions. [2024-11-22 22:02:12,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:12,065 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-22 22:02:12,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:12,066 INFO L225 Difference]: With dead ends: 141 [2024-11-22 22:02:12,066 INFO L226 Difference]: Without dead ends: 140 [2024-11-22 22:02:12,066 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:12,067 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:12,067 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:12,068 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-22 22:02:12,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2024-11-22 22:02:12,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 131 states have internal predecessors, (167), 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) [2024-11-22 22:02:12,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 175 transitions. [2024-11-22 22:02:12,073 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 175 transitions. Word has length 16 [2024-11-22 22:02:12,073 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:12,073 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 175 transitions. [2024-11-22 22:02:12,073 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:12,073 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2024-11-22 22:02:12,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-22 22:02:12,074 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:12,074 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:12,074 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-22 22:02:12,075 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:12,075 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:12,075 INFO L85 PathProgramCache]: Analyzing trace with hash -1336411964, now seen corresponding path program 1 times [2024-11-22 22:02:12,075 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:12,075 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2098137085] [2024-11-22 22:02:12,075 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,076 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:12,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,119 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:12,120 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:12,120 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2098137085] [2024-11-22 22:02:12,120 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2098137085] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:12,120 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:12,120 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:02:12,120 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597389411] [2024-11-22 22:02:12,120 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:12,121 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:02:12,121 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:12,121 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:02:12,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:12,121 INFO L87 Difference]: Start difference. First operand 138 states and 175 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:12,192 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:12,193 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2024-11-22 22:02:12,193 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:02:12,193 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-22 22:02:12,195 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:12,196 INFO L225 Difference]: With dead ends: 156 [2024-11-22 22:02:12,196 INFO L226 Difference]: Without dead ends: 155 [2024-11-22 22:02:12,196 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:02:12,197 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 98 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:12,197 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 354 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:12,198 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-22 22:02:12,211 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 143. [2024-11-22 22:02:12,211 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.384) internal successors, (173), 136 states have internal predecessors, (173), 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) [2024-11-22 22:02:12,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 181 transitions. [2024-11-22 22:02:12,212 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 181 transitions. Word has length 16 [2024-11-22 22:02:12,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:12,216 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 181 transitions. [2024-11-22 22:02:12,216 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:12,217 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 181 transitions. [2024-11-22 22:02:12,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-22 22:02:12,217 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:12,217 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:12,217 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-22 22:02:12,218 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:12,218 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:12,218 INFO L85 PathProgramCache]: Analyzing trace with hash 655156221, now seen corresponding path program 1 times [2024-11-22 22:02:12,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:12,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [615276512] [2024-11-22 22:02:12,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:12,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,288 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:12,288 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:12,288 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [615276512] [2024-11-22 22:02:12,289 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [615276512] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:12,289 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1736483270] [2024-11-22 22:02:12,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,289 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:12,289 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:12,291 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) [2024-11-22 22:02:12,297 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-22 22:02:12,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-22 22:02:12,330 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:12,361 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-22 22:02:12,361 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:12,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1736483270] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:12,362 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:12,362 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-22 22:02:12,362 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1671437515] [2024-11-22 22:02:12,362 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:12,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:02:12,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:12,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:02:12,362 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:02:12,363 INFO L87 Difference]: Start difference. First operand 143 states and 181 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:12,395 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:12,396 INFO L93 Difference]: Finished difference Result 155 states and 198 transitions. [2024-11-22 22:02:12,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:02:12,397 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-22 22:02:12,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:12,398 INFO L225 Difference]: With dead ends: 155 [2024-11-22 22:02:12,398 INFO L226 Difference]: Without dead ends: 154 [2024-11-22 22:02:12,398 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:02:12,399 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 8 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:12,399 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 200 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:12,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-22 22:02:12,407 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 143. [2024-11-22 22:02:12,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.376) internal successors, (172), 136 states have internal predecessors, (172), 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) [2024-11-22 22:02:12,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 180 transitions. [2024-11-22 22:02:12,411 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 180 transitions. Word has length 17 [2024-11-22 22:02:12,411 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:12,411 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 180 transitions. [2024-11-22 22:02:12,411 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:12,411 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2024-11-22 22:02:12,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 22:02:12,412 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:12,412 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:12,424 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-22 22:02:12,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:12,617 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:12,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:12,617 INFO L85 PathProgramCache]: Analyzing trace with hash -980020880, now seen corresponding path program 1 times [2024-11-22 22:02:12,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:12,617 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [221485360] [2024-11-22 22:02:12,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,617 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,655 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:02:12,656 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:12,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [221485360] [2024-11-22 22:02:12,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [221485360] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:12,656 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:12,657 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:02:12,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1958428671] [2024-11-22 22:02:12,657 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:12,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:02:12,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:12,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:02:12,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:12,658 INFO L87 Difference]: Start difference. First operand 143 states and 180 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:02:12,740 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:12,740 INFO L93 Difference]: Finished difference Result 210 states and 268 transitions. [2024-11-22 22:02:12,740 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:02:12,741 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-22 22:02:12,741 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:12,742 INFO L225 Difference]: With dead ends: 210 [2024-11-22 22:02:12,742 INFO L226 Difference]: Without dead ends: 208 [2024-11-22 22:02:12,744 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:12,744 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 126 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:12,746 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 287 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:12,746 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-22 22:02:12,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 181. [2024-11-22 22:02:12,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 162 states have (on average 1.382716049382716) internal successors, (224), 173 states have internal predecessors, (224), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:12,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 232 transitions. [2024-11-22 22:02:12,753 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 232 transitions. Word has length 24 [2024-11-22 22:02:12,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:12,753 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 232 transitions. [2024-11-22 22:02:12,754 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:02:12,754 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 232 transitions. [2024-11-22 22:02:12,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-22 22:02:12,755 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:12,755 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:12,755 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-22 22:02:12,756 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:12,757 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:12,757 INFO L85 PathProgramCache]: Analyzing trace with hash -1008648236, now seen corresponding path program 1 times [2024-11-22 22:02:12,757 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:12,757 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1659506128] [2024-11-22 22:02:12,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,757 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:12,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,797 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-22 22:02:12,797 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:12,797 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1659506128] [2024-11-22 22:02:12,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1659506128] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:12,798 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:12,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:02:12,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719697839] [2024-11-22 22:02:12,798 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:12,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:02:12,799 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:12,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:02:12,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:12,799 INFO L87 Difference]: Start difference. First operand 181 states and 232 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:02:12,865 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:12,865 INFO L93 Difference]: Finished difference Result 201 states and 257 transitions. [2024-11-22 22:02:12,866 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:02:12,866 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-22 22:02:12,866 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:12,867 INFO L225 Difference]: With dead ends: 201 [2024-11-22 22:02:12,867 INFO L226 Difference]: Without dead ends: 199 [2024-11-22 22:02:12,868 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:12,868 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 127 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:12,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 287 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:12,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-22 22:02:12,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 172. [2024-11-22 22:02:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 164 states have internal predecessors, (211), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2024-11-22 22:02:12,876 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 24 [2024-11-22 22:02:12,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:12,877 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2024-11-22 22:02:12,877 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-22 22:02:12,877 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2024-11-22 22:02:12,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:02:12,878 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:12,878 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:12,878 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-22 22:02:12,879 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:12,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:12,879 INFO L85 PathProgramCache]: Analyzing trace with hash -1966541325, now seen corresponding path program 1 times [2024-11-22 22:02:12,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:12,879 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639048413] [2024-11-22 22:02:12,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:12,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:12,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:12,916 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 22:02:12,917 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:12,917 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639048413] [2024-11-22 22:02:12,917 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639048413] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:12,917 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:12,917 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:02:12,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1550256417] [2024-11-22 22:02:12,918 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:12,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:02:12,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:12,919 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:02:12,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:12,919 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:02:12,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:12,991 INFO L93 Difference]: Finished difference Result 190 states and 244 transitions. [2024-11-22 22:02:12,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:02:12,991 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-22 22:02:12,991 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:13,005 INFO L225 Difference]: With dead ends: 190 [2024-11-22 22:02:13,005 INFO L226 Difference]: Without dead ends: 188 [2024-11-22 22:02:13,006 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:13,006 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 125 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:13,006 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 280 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:13,007 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-22 22:02:13,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2024-11-22 22:02:13,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 146 states have (on average 1.36986301369863) internal successors, (200), 155 states have internal predecessors, (200), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:13,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 208 transitions. [2024-11-22 22:02:13,022 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 208 transitions. Word has length 31 [2024-11-22 22:02:13,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:13,022 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 208 transitions. [2024-11-22 22:02:13,022 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:02:13,022 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 208 transitions. [2024-11-22 22:02:13,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-22 22:02:13,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:13,023 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:13,023 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-22 22:02:13,023 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:13,028 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:13,028 INFO L85 PathProgramCache]: Analyzing trace with hash -1995168681, now seen corresponding path program 1 times [2024-11-22 22:02:13,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:13,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1612677967] [2024-11-22 22:02:13,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:13,029 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:13,131 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-22 22:02:13,131 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:13,131 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1612677967] [2024-11-22 22:02:13,131 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1612677967] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:13,131 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:13,131 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:02:13,131 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593334117] [2024-11-22 22:02:13,131 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:13,132 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:02:13,132 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:13,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:02:13,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:13,132 INFO L87 Difference]: Start difference. First operand 163 states and 208 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:02:13,290 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:13,290 INFO L93 Difference]: Finished difference Result 181 states and 233 transitions. [2024-11-22 22:02:13,290 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:02:13,290 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-22 22:02:13,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:13,291 INFO L225 Difference]: With dead ends: 181 [2024-11-22 22:02:13,291 INFO L226 Difference]: Without dead ends: 179 [2024-11-22 22:02:13,291 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:13,292 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 126 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:13,292 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 278 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:13,292 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-22 22:02:13,301 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 152. [2024-11-22 22:02:13,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 137 states have (on average 1.364963503649635) internal successors, (187), 144 states have internal predecessors, (187), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:13,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2024-11-22 22:02:13,306 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 31 [2024-11-22 22:02:13,306 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:13,306 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2024-11-22 22:02:13,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-22 22:02:13,306 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2024-11-22 22:02:13,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-22 22:02:13,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:13,307 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:13,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-22 22:02:13,307 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:13,307 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:13,308 INFO L85 PathProgramCache]: Analyzing trace with hash 791187706, now seen corresponding path program 1 times [2024-11-22 22:02:13,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:13,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732012550] [2024-11-22 22:02:13,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:13,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:13,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:13,455 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:13,456 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:13,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732012550] [2024-11-22 22:02:13,456 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732012550] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:13,456 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1266333256] [2024-11-22 22:02:13,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:13,456 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:13,456 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:13,457 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) [2024-11-22 22:02:13,463 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-22 22:02:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:13,514 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-22 22:02:13,515 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:13,535 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:02:13,538 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:13,538 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1266333256] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:13,538 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:13,538 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-22 22:02:13,538 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108032505] [2024-11-22 22:02:13,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:13,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:02:13,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:13,539 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:02:13,539 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:13,539 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:13,618 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:13,618 INFO L93 Difference]: Finished difference Result 342 states and 435 transitions. [2024-11-22 22:02:13,619 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:02:13,619 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-22 22:02:13,619 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:13,621 INFO L225 Difference]: With dead ends: 342 [2024-11-22 22:02:13,621 INFO L226 Difference]: Without dead ends: 193 [2024-11-22 22:02:13,622 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-22 22:02:13,623 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 18 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:13,625 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 244 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:13,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-22 22:02:13,634 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 157. [2024-11-22 22:02:13,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 148 states have internal predecessors, (191), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:13,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 199 transitions. [2024-11-22 22:02:13,636 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 199 transitions. Word has length 43 [2024-11-22 22:02:13,636 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:13,636 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 199 transitions. [2024-11-22 22:02:13,637 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:13,637 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 199 transitions. [2024-11-22 22:02:13,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-22 22:02:13,637 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:13,637 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:13,646 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:13,838 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:13,839 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:13,839 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:13,840 INFO L85 PathProgramCache]: Analyzing trace with hash -399272058, now seen corresponding path program 1 times [2024-11-22 22:02:13,840 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:13,840 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [419061785] [2024-11-22 22:02:13,840 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:13,840 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:13,908 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:13,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:13,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [419061785] [2024-11-22 22:02:13,909 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [419061785] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:13,909 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [627742331] [2024-11-22 22:02:13,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:13,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:13,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:13,914 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) [2024-11-22 22:02:13,918 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-22 22:02:13,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:13,964 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:02:13,966 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:02:14,002 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:14,099 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:14,100 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [627742331] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:14,100 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:14,100 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-22 22:02:14,100 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1543326830] [2024-11-22 22:02:14,100 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:14,101 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:02:14,101 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:14,101 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:02:14,101 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:02:14,102 INFO L87 Difference]: Start difference. First operand 157 states and 199 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:02:14,230 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:14,231 INFO L93 Difference]: Finished difference Result 477 states and 612 transitions. [2024-11-22 22:02:14,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:02:14,231 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2024-11-22 22:02:14,231 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:14,233 INFO L225 Difference]: With dead ends: 477 [2024-11-22 22:02:14,233 INFO L226 Difference]: Without dead ends: 364 [2024-11-22 22:02:14,233 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 107 GetRequests, 97 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:02:14,234 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 109 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 179 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 109 SdHoareTripleChecker+Valid, 530 SdHoareTripleChecker+Invalid, 185 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 179 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:14,234 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [109 Valid, 530 Invalid, 185 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 179 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:14,234 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-22 22:02:14,254 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 172. [2024-11-22 22:02:14,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 163 states have internal predecessors, (209), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:14,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 217 transitions. [2024-11-22 22:02:14,255 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 217 transitions. Word has length 51 [2024-11-22 22:02:14,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:14,255 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 217 transitions. [2024-11-22 22:02:14,255 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:02:14,255 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2024-11-22 22:02:14,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-22 22:02:14,258 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:14,258 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:14,269 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-22 22:02:14,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-22 22:02:14,459 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:14,459 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:14,460 INFO L85 PathProgramCache]: Analyzing trace with hash 145764674, now seen corresponding path program 1 times [2024-11-22 22:02:14,460 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:14,460 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288046179] [2024-11-22 22:02:14,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:14,460 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:14,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:14,559 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:14,559 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:14,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288046179] [2024-11-22 22:02:14,562 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288046179] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:14,562 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2015014974] [2024-11-22 22:02:14,562 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:14,562 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:14,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:14,567 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) [2024-11-22 22:02:14,568 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-22 22:02:14,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:14,609 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:02:14,612 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:14,647 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-22 22:02:14,648 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:14,746 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:14,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2015014974] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:14,747 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:14,747 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-22 22:02:14,747 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1941169531] [2024-11-22 22:02:14,747 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:14,748 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:02:14,748 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:14,748 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:02:14,748 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:02:14,749 INFO L87 Difference]: Start difference. First operand 172 states and 217 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:02:14,944 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:14,944 INFO L93 Difference]: Finished difference Result 490 states and 637 transitions. [2024-11-22 22:02:14,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-22 22:02:14,945 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2024-11-22 22:02:14,945 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:14,946 INFO L225 Difference]: With dead ends: 490 [2024-11-22 22:02:14,946 INFO L226 Difference]: Without dead ends: 377 [2024-11-22 22:02:14,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:02:14,947 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 162 mSDsluCounter, 284 mSDsCounter, 0 mSdLazyCounter, 143 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 162 SdHoareTripleChecker+Valid, 369 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 143 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:14,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [162 Valid, 369 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 143 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:02:14,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-22 22:02:14,959 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 187. [2024-11-22 22:02:14,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 171 states have (on average 1.327485380116959) internal successors, (227), 178 states have internal predecessors, (227), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:14,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 235 transitions. [2024-11-22 22:02:14,960 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 235 transitions. Word has length 52 [2024-11-22 22:02:14,960 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:14,960 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 235 transitions. [2024-11-22 22:02:14,961 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:02:14,961 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 235 transitions. [2024-11-22 22:02:14,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-22 22:02:14,962 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:14,962 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:14,972 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-22 22:02:15,163 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-22 22:02:15,164 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:15,164 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:15,165 INFO L85 PathProgramCache]: Analyzing trace with hash 174306956, now seen corresponding path program 1 times [2024-11-22 22:02:15,165 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:15,165 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901868520] [2024-11-22 22:02:15,165 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:15,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:15,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:15,209 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:15,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:15,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901868520] [2024-11-22 22:02:15,210 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901868520] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:15,210 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1616289516] [2024-11-22 22:02:15,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:15,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:15,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:15,212 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) [2024-11-22 22:02:15,217 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-22 22:02:15,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:15,261 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-22 22:02:15,262 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:15,274 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-22 22:02:15,274 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:15,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1616289516] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:15,275 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:15,275 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-22 22:02:15,275 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221428007] [2024-11-22 22:02:15,275 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:15,275 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:15,275 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:15,276 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:15,276 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:15,276 INFO L87 Difference]: Start difference. First operand 187 states and 235 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:15,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:15,324 INFO L93 Difference]: Finished difference Result 326 states and 411 transitions. [2024-11-22 22:02:15,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:15,324 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-11-22 22:02:15,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:15,325 INFO L225 Difference]: With dead ends: 326 [2024-11-22 22:02:15,325 INFO L226 Difference]: Without dead ends: 204 [2024-11-22 22:02:15,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 55 GetRequests, 53 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-22 22:02:15,326 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 7 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:15,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 178 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:15,327 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-22 22:02:15,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2024-11-22 22:02:15,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 176 states have (on average 1.3125) internal successors, (231), 183 states have internal predecessors, (231), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:15,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 239 transitions. [2024-11-22 22:02:15,334 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 239 transitions. Word has length 53 [2024-11-22 22:02:15,335 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:15,335 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 239 transitions. [2024-11-22 22:02:15,335 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:15,335 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 239 transitions. [2024-11-22 22:02:15,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-22 22:02:15,335 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:15,336 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:15,345 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-22 22:02:15,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:15,537 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:15,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:15,537 INFO L85 PathProgramCache]: Analyzing trace with hash -1897068795, now seen corresponding path program 1 times [2024-11-22 22:02:15,537 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:15,537 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1599121661] [2024-11-22 22:02:15,537 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:15,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:15,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:15,657 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:15,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1599121661] [2024-11-22 22:02:15,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1599121661] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:15,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1836976291] [2024-11-22 22:02:15,658 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:15,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:15,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:15,662 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) [2024-11-22 22:02:15,664 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-22 22:02:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:15,711 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:02:15,713 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:15,787 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:15,787 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:15,788 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1836976291] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:15,788 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:15,788 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-22 22:02:15,788 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528501588] [2024-11-22 22:02:15,788 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:15,789 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-22 22:02:15,789 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:15,790 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-22 22:02:15,790 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:02:15,790 INFO L87 Difference]: Start difference. First operand 192 states and 239 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:15,846 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:15,846 INFO L93 Difference]: Finished difference Result 247 states and 301 transitions. [2024-11-22 22:02:15,847 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-22 22:02:15,847 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2024-11-22 22:02:15,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:15,848 INFO L225 Difference]: With dead ends: 247 [2024-11-22 22:02:15,848 INFO L226 Difference]: Without dead ends: 198 [2024-11-22 22:02:15,849 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 51 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-22 22:02:15,849 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 4 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:15,849 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 570 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:15,850 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-22 22:02:15,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2024-11-22 22:02:15,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 176 states have (on average 1.3011363636363635) internal successors, (229), 183 states have internal predecessors, (229), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:15,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 237 transitions. [2024-11-22 22:02:15,864 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 237 transitions. Word has length 54 [2024-11-22 22:02:15,864 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:15,865 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 237 transitions. [2024-11-22 22:02:15,865 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:15,865 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 237 transitions. [2024-11-22 22:02:15,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-22 22:02:15,866 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:15,866 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:15,873 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-22 22:02:16,066 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,SelfDestructingSolverStorable16 [2024-11-22 22:02:16,067 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:16,067 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:16,067 INFO L85 PathProgramCache]: Analyzing trace with hash -1775179596, now seen corresponding path program 1 times [2024-11-22 22:02:16,068 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:16,068 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [127832401] [2024-11-22 22:02:16,068 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:16,068 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:16,184 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-22 22:02:16,184 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:16,184 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [127832401] [2024-11-22 22:02:16,184 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [127832401] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:16,185 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [212366458] [2024-11-22 22:02:16,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:16,185 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:16,185 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:16,189 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) [2024-11-22 22:02:16,190 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-22 22:02:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:16,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-22 22:02:16,266 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:16,330 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:02:16,330 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:16,430 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:02:16,430 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [212366458] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:16,430 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:16,430 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 16 [2024-11-22 22:02:16,430 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663240178] [2024-11-22 22:02:16,430 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:16,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-22 22:02:16,431 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:16,431 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-22 22:02:16,431 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:02:16,431 INFO L87 Difference]: Start difference. First operand 192 states and 237 transitions. Second operand has 16 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:02:16,693 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:16,693 INFO L93 Difference]: Finished difference Result 382 states and 469 transitions. [2024-11-22 22:02:16,697 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:02:16,698 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 58 [2024-11-22 22:02:16,698 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:16,698 INFO L225 Difference]: With dead ends: 382 [2024-11-22 22:02:16,698 INFO L226 Difference]: Without dead ends: 208 [2024-11-22 22:02:16,699 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 105 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:02:16,699 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 41 mSDsluCounter, 872 mSDsCounter, 0 mSdLazyCounter, 345 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 41 SdHoareTripleChecker+Valid, 955 SdHoareTripleChecker+Invalid, 354 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 345 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:16,699 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [41 Valid, 955 Invalid, 354 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 345 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:02:16,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-22 22:02:16,713 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 159. [2024-11-22 22:02:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 143 states have (on average 1.2937062937062938) internal successors, (185), 150 states have internal predecessors, (185), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 193 transitions. [2024-11-22 22:02:16,718 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 193 transitions. Word has length 58 [2024-11-22 22:02:16,718 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:16,718 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 193 transitions. [2024-11-22 22:02:16,718 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:02:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-11-22 22:02:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-22 22:02:16,719 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:16,719 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:16,733 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-22 22:02:16,921 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,SelfDestructingSolverStorable17 [2024-11-22 22:02:16,921 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:16,922 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:16,922 INFO L85 PathProgramCache]: Analyzing trace with hash 1729930844, now seen corresponding path program 1 times [2024-11-22 22:02:16,922 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:16,922 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [975882422] [2024-11-22 22:02:16,922 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:16,922 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:16,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:16,992 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 22:02:16,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:16,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [975882422] [2024-11-22 22:02:16,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [975882422] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:16,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2122603948] [2024-11-22 22:02:16,992 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:16,992 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:16,992 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:16,997 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) [2024-11-22 22:02:16,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-22 22:02:17,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:17,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-22 22:02:17,045 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-22 22:02:17,089 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:17,089 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2122603948] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:17,089 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:17,089 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-22 22:02:17,090 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [747611441] [2024-11-22 22:02:17,090 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:17,090 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-22 22:02:17,090 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:17,090 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-22 22:02:17,090 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:17,091 INFO L87 Difference]: Start difference. First operand 159 states and 193 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:17,123 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:17,124 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2024-11-22 22:02:17,124 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-22 22:02:17,124 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2024-11-22 22:02:17,124 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:17,125 INFO L225 Difference]: With dead ends: 293 [2024-11-22 22:02:17,125 INFO L226 Difference]: Without dead ends: 172 [2024-11-22 22:02:17,125 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 68 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:17,125 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 8 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:17,125 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 179 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:17,126 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-22 22:02:17,131 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 155. [2024-11-22 22:02:17,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 139 states have (on average 1.2805755395683454) internal successors, (178), 146 states have internal predecessors, (178), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-22 22:02:17,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 186 transitions. [2024-11-22 22:02:17,132 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 186 transitions. Word has length 64 [2024-11-22 22:02:17,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:17,132 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 186 transitions. [2024-11-22 22:02:17,133 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:17,133 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2024-11-22 22:02:17,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-22 22:02:17,133 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:17,133 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:17,142 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:17,333 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:17,334 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:17,334 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:17,334 INFO L85 PathProgramCache]: Analyzing trace with hash 736732789, now seen corresponding path program 1 times [2024-11-22 22:02:17,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:17,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2002290140] [2024-11-22 22:02:17,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:17,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:17,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:17,417 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-22 22:02:17,418 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:17,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2002290140] [2024-11-22 22:02:17,418 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2002290140] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:17,418 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1341307394] [2024-11-22 22:02:17,418 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:17,418 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:17,418 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:17,420 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) [2024-11-22 22:02:17,421 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-22 22:02:17,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:17,480 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-22 22:02:17,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:17,538 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:02:17,539 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:17,539 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1341307394] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:17,539 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:17,539 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-22 22:02:17,539 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356782232] [2024-11-22 22:02:17,539 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:17,539 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:02:17,539 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:17,540 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:02:17,540 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:02:17,540 INFO L87 Difference]: Start difference. First operand 155 states and 186 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:17,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:17,585 INFO L93 Difference]: Finished difference Result 214 states and 256 transitions. [2024-11-22 22:02:17,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-22 22:02:17,585 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2024-11-22 22:02:17,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:17,586 INFO L225 Difference]: With dead ends: 214 [2024-11-22 22:02:17,586 INFO L226 Difference]: Without dead ends: 173 [2024-11-22 22:02:17,586 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 70 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:02:17,586 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 9 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 58 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 58 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:17,587 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 552 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 58 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:17,587 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-22 22:02:17,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 162. [2024-11-22 22:02:17,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.2708333333333333) internal successors, (183), 151 states have internal predecessors, (183), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-22 22:02:17,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions. [2024-11-22 22:02:17,595 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 65 [2024-11-22 22:02:17,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:17,595 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions. [2024-11-22 22:02:17,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:17,595 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions. [2024-11-22 22:02:17,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-22 22:02:17,596 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:17,596 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:17,602 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-11-22 22:02:17,796 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:17,797 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:17,797 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:17,797 INFO L85 PathProgramCache]: Analyzing trace with hash 1080772219, now seen corresponding path program 1 times [2024-11-22 22:02:17,798 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:17,798 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1873478743] [2024-11-22 22:02:17,798 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:17,798 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:17,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:17,895 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:02:17,895 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:17,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1873478743] [2024-11-22 22:02:17,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1873478743] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:17,895 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [751911829] [2024-11-22 22:02:17,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:17,896 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:17,896 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:17,898 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) [2024-11-22 22:02:17,898 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-22 22:02:17,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:17,972 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-22 22:02:17,973 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:18,115 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:02:18,116 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:18,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [751911829] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:18,116 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:18,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-11-22 22:02:18,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [929803594] [2024-11-22 22:02:18,116 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:18,116 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:02:18,116 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:18,117 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:02:18,117 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:02:18,117 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:18,400 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:18,400 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2024-11-22 22:02:18,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-22 22:02:18,401 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2024-11-22 22:02:18,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:18,402 INFO L225 Difference]: With dead ends: 228 [2024-11-22 22:02:18,402 INFO L226 Difference]: Without dead ends: 189 [2024-11-22 22:02:18,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 71 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:02:18,402 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 628 mSDsCounter, 0 mSdLazyCounter, 202 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 712 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 202 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:18,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 712 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 202 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:02:18,403 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-22 22:02:18,410 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2024-11-22 22:02:18,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 166 states have (on average 1.2530120481927711) internal successors, (208), 173 states have internal predecessors, (208), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:18,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2024-11-22 22:02:18,412 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 67 [2024-11-22 22:02:18,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:18,412 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2024-11-22 22:02:18,412 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:18,412 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2024-11-22 22:02:18,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-22 22:02:18,413 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:18,413 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:18,420 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-11-22 22:02:18,613 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,SelfDestructingSolverStorable20 [2024-11-22 22:02:18,614 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:18,614 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:18,614 INFO L85 PathProgramCache]: Analyzing trace with hash -855799376, now seen corresponding path program 1 times [2024-11-22 22:02:18,614 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:18,615 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [658329486] [2024-11-22 22:02:18,615 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:18,615 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:18,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:18,698 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:02:18,698 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:18,698 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [658329486] [2024-11-22 22:02:18,699 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [658329486] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:18,699 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1188136713] [2024-11-22 22:02:18,699 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:18,699 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:18,699 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:18,701 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) [2024-11-22 22:02:18,702 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-22 22:02:18,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:18,757 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-22 22:02:18,758 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:18,912 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:02:18,912 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:18,913 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1188136713] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:18,913 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:18,913 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-22 22:02:18,913 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1114074425] [2024-11-22 22:02:18,913 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:18,913 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:02:18,913 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:18,914 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:02:18,914 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:02:18,914 INFO L87 Difference]: Start difference. First operand 185 states and 221 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:19,098 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:19,098 INFO L93 Difference]: Finished difference Result 214 states and 253 transitions. [2024-11-22 22:02:19,100 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:02:19,100 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2024-11-22 22:02:19,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:19,101 INFO L225 Difference]: With dead ends: 214 [2024-11-22 22:02:19,101 INFO L226 Difference]: Without dead ends: 188 [2024-11-22 22:02:19,101 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 73 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:02:19,102 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 15 mSDsluCounter, 667 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 752 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:19,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 752 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:02:19,102 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-22 22:02:19,109 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2024-11-22 22:02:19,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 166 states have (on average 1.2469879518072289) internal successors, (207), 173 states have internal predecessors, (207), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:19,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 220 transitions. [2024-11-22 22:02:19,110 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 220 transitions. Word has length 68 [2024-11-22 22:02:19,110 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:19,111 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 220 transitions. [2024-11-22 22:02:19,111 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:19,111 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 220 transitions. [2024-11-22 22:02:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-22 22:02:19,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:19,111 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:19,120 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-22 22:02:19,315 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,SelfDestructingSolverStorable21 [2024-11-22 22:02:19,316 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:19,316 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:19,316 INFO L85 PathProgramCache]: Analyzing trace with hash -2030075635, now seen corresponding path program 1 times [2024-11-22 22:02:19,317 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:19,317 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390291263] [2024-11-22 22:02:19,317 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:19,317 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:19,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:19,504 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:02:19,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:19,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390291263] [2024-11-22 22:02:19,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390291263] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:19,504 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:19,505 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-22 22:02:19,505 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715184484] [2024-11-22 22:02:19,505 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:19,506 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-22 22:02:19,506 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:19,507 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-22 22:02:19,507 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:19,507 INFO L87 Difference]: Start difference. First operand 185 states and 220 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:19,551 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:19,551 INFO L93 Difference]: Finished difference Result 193 states and 230 transitions. [2024-11-22 22:02:19,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-22 22:02:19,551 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 70 [2024-11-22 22:02:19,552 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:19,552 INFO L225 Difference]: With dead ends: 193 [2024-11-22 22:02:19,552 INFO L226 Difference]: Without dead ends: 189 [2024-11-22 22:02:19,553 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:19,553 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 34 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:19,554 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 278 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:19,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-22 22:02:19,561 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-22 22:02:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 172 states have (on average 1.2383720930232558) internal successors, (213), 177 states have internal predecessors, (213), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:19,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 226 transitions. [2024-11-22 22:02:19,562 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 226 transitions. Word has length 70 [2024-11-22 22:02:19,562 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:19,563 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 226 transitions. [2024-11-22 22:02:19,563 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 226 transitions. [2024-11-22 22:02:19,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-22 22:02:19,563 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:19,563 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:19,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-22 22:02:19,564 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:19,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:19,565 INFO L85 PathProgramCache]: Analyzing trace with hash 1492164960, now seen corresponding path program 1 times [2024-11-22 22:02:19,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:19,566 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1152426789] [2024-11-22 22:02:19,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:19,566 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:19,609 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-22 22:02:19,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:19,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1152426789] [2024-11-22 22:02:19,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1152426789] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:19,609 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:19,609 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-22 22:02:19,609 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [87439516] [2024-11-22 22:02:19,609 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:19,609 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-22 22:02:19,610 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:19,610 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-22 22:02:19,610 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-22 22:02:19,610 INFO L87 Difference]: Start difference. First operand 189 states and 226 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:19,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:19,645 INFO L93 Difference]: Finished difference Result 189 states and 226 transitions. [2024-11-22 22:02:19,645 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-22 22:02:19,645 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 71 [2024-11-22 22:02:19,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:19,646 INFO L225 Difference]: With dead ends: 189 [2024-11-22 22:02:19,646 INFO L226 Difference]: Without dead ends: 180 [2024-11-22 22:02:19,647 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-22 22:02:19,647 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 29 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:19,648 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 216 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-22 22:02:19,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-22 22:02:19,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 168 states have internal predecessors, (201), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:19,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 214 transitions. [2024-11-22 22:02:19,659 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 214 transitions. Word has length 71 [2024-11-22 22:02:19,659 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:19,659 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 214 transitions. [2024-11-22 22:02:19,659 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:19,660 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 214 transitions. [2024-11-22 22:02:19,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:02:19,660 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:19,660 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:19,660 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-22 22:02:19,660 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:19,661 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:19,661 INFO L85 PathProgramCache]: Analyzing trace with hash -987526289, now seen corresponding path program 1 times [2024-11-22 22:02:19,661 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:19,661 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537719932] [2024-11-22 22:02:19,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:19,661 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:19,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:19,746 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-22 22:02:19,746 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:19,746 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537719932] [2024-11-22 22:02:19,747 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537719932] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:19,747 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1671559658] [2024-11-22 22:02:19,747 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:19,747 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:19,747 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:19,753 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) [2024-11-22 22:02:19,754 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-22 22:02:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:19,805 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-22 22:02:19,807 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:19,959 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-22 22:02:19,960 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:19,960 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1671559658] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:19,960 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:19,960 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-11-22 22:02:19,960 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2098440771] [2024-11-22 22:02:19,960 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:19,960 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:02:19,960 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:19,961 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:02:19,961 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:02:19,961 INFO L87 Difference]: Start difference. First operand 180 states and 214 transitions. Second operand has 12 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:20,083 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:20,083 INFO L93 Difference]: Finished difference Result 187 states and 222 transitions. [2024-11-22 22:02:20,083 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:02:20,083 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 72 [2024-11-22 22:02:20,084 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:20,084 INFO L225 Difference]: With dead ends: 187 [2024-11-22 22:02:20,084 INFO L226 Difference]: Without dead ends: 186 [2024-11-22 22:02:20,085 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:02:20,085 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 30 mSDsluCounter, 487 mSDsCounter, 0 mSdLazyCounter, 214 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 31 SdHoareTripleChecker+Valid, 559 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 214 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:20,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [31 Valid, 559 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 214 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:20,086 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-22 22:02:20,093 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2024-11-22 22:02:20,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 169 states have (on average 1.2071005917159763) internal successors, (204), 171 states have internal predecessors, (204), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:20,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 217 transitions. [2024-11-22 22:02:20,094 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 217 transitions. Word has length 72 [2024-11-22 22:02:20,095 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:20,095 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 217 transitions. [2024-11-22 22:02:20,095 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-22 22:02:20,095 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 217 transitions. [2024-11-22 22:02:20,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:02:20,095 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:20,095 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:20,102 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:20,296 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:20,296 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:20,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:20,297 INFO L85 PathProgramCache]: Analyzing trace with hash -951891687, now seen corresponding path program 1 times [2024-11-22 22:02:20,297 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:20,297 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1103607488] [2024-11-22 22:02:20,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:20,297 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:20,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:20,665 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 22:02:20,665 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:20,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1103607488] [2024-11-22 22:02:20,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1103607488] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:20,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:20,665 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-22 22:02:20,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [739465535] [2024-11-22 22:02:20,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:20,666 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-22 22:02:20,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:20,666 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-22 22:02:20,666 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-22 22:02:20,666 INFO L87 Difference]: Start difference. First operand 183 states and 217 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:20,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:20,793 INFO L93 Difference]: Finished difference Result 205 states and 244 transitions. [2024-11-22 22:02:20,794 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:02:20,794 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 72 [2024-11-22 22:02:20,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:20,795 INFO L225 Difference]: With dead ends: 205 [2024-11-22 22:02:20,795 INFO L226 Difference]: Without dead ends: 204 [2024-11-22 22:02:20,795 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:02:20,795 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 20 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:20,795 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 807 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:20,796 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-22 22:02:20,804 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2024-11-22 22:02:20,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 189 states have (on average 1.2116402116402116) internal successors, (229), 190 states have internal predecessors, (229), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:20,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 242 transitions. [2024-11-22 22:02:20,809 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 242 transitions. Word has length 72 [2024-11-22 22:02:20,809 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:20,809 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 242 transitions. [2024-11-22 22:02:20,810 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:20,810 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2024-11-22 22:02:20,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-22 22:02:20,811 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:20,811 INFO L215 NwaCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:20,811 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-22 22:02:20,811 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:20,811 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:20,811 INFO L85 PathProgramCache]: Analyzing trace with hash -1652956265, now seen corresponding path program 1 times [2024-11-22 22:02:20,812 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:20,812 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [726087481] [2024-11-22 22:02:20,812 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:20,812 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:20,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:20,908 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:20,908 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:20,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [726087481] [2024-11-22 22:02:20,908 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [726087481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:20,908 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [206867884] [2024-11-22 22:02:20,909 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:20,909 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:20,909 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:20,911 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) [2024-11-22 22:02:20,915 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-22 22:02:20,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:20,965 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-22 22:02:20,967 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:20,997 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 22:02:20,997 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:21,066 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-22 22:02:21,066 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [206867884] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:21,066 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:21,066 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-22 22:02:21,066 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [793613716] [2024-11-22 22:02:21,066 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:21,067 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-22 22:02:21,067 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:21,067 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-22 22:02:21,068 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-22 22:02:21,068 INFO L87 Difference]: Start difference. First operand 203 states and 242 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:02:21,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:21,221 INFO L93 Difference]: Finished difference Result 436 states and 518 transitions. [2024-11-22 22:02:21,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-22 22:02:21,222 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 72 [2024-11-22 22:02:21,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:21,223 INFO L225 Difference]: With dead ends: 436 [2024-11-22 22:02:21,223 INFO L226 Difference]: Without dead ends: 268 [2024-11-22 22:02:21,224 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 151 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-22 22:02:21,224 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 99 mSDsluCounter, 429 mSDsCounter, 0 mSdLazyCounter, 194 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 505 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 194 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:21,225 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 505 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 194 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:21,225 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-22 22:02:21,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 201. [2024-11-22 22:02:21,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 189 states have internal predecessors, (224), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:21,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 237 transitions. [2024-11-22 22:02:21,236 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 237 transitions. Word has length 72 [2024-11-22 22:02:21,237 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:21,237 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 237 transitions. [2024-11-22 22:02:21,237 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-22 22:02:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2024-11-22 22:02:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-22 22:02:21,239 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:21,239 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:21,246 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:21,440 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-22 22:02:21,440 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:21,440 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:21,440 INFO L85 PathProgramCache]: Analyzing trace with hash -1408321263, now seen corresponding path program 1 times [2024-11-22 22:02:21,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:21,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [208408482] [2024-11-22 22:02:21,441 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:21,441 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:21,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:21,647 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:21,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:21,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [208408482] [2024-11-22 22:02:21,648 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [208408482] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:21,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1111860860] [2024-11-22 22:02:21,648 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:21,648 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:21,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:21,650 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) [2024-11-22 22:02:21,651 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-22 22:02:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:21,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:02:21,723 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:21,778 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:02:21,779 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:21,898 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-22 22:02:21,898 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1111860860] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:21,898 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:21,898 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 8, 8] total 19 [2024-11-22 22:02:21,898 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1266087951] [2024-11-22 22:02:21,898 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:21,899 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 19 states [2024-11-22 22:02:21,899 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:21,899 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2024-11-22 22:02:21,899 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=46, Invalid=296, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:02:21,900 INFO L87 Difference]: Start difference. First operand 201 states and 237 transitions. Second operand has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 17 states have internal predecessors, (98), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:02:22,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:22,264 INFO L93 Difference]: Finished difference Result 451 states and 533 transitions. [2024-11-22 22:02:22,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-22 22:02:22,265 INFO L78 Accepts]: Start accepts. Automaton has has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 17 states have internal predecessors, (98), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 79 [2024-11-22 22:02:22,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:22,266 INFO L225 Difference]: With dead ends: 451 [2024-11-22 22:02:22,266 INFO L226 Difference]: Without dead ends: 285 [2024-11-22 22:02:22,267 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 172 GetRequests, 148 SyntacticMatches, 0 SemanticMatches, 24 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 89 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=554, Unknown=0, NotChecked=0, Total=650 [2024-11-22 22:02:22,267 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 76 mSDsluCounter, 782 mSDsCounter, 0 mSdLazyCounter, 548 mSolverCounterSat, 16 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 76 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 564 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 16 IncrementalHoareTripleChecker+Valid, 548 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:22,267 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [76 Valid, 854 Invalid, 564 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [16 Valid, 548 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-22 22:02:22,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-22 22:02:22,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 211. [2024-11-22 22:02:22,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 197 states have (on average 1.1827411167512691) internal successors, (233), 198 states have internal predecessors, (233), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:22,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 246 transitions. [2024-11-22 22:02:22,276 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 246 transitions. Word has length 79 [2024-11-22 22:02:22,277 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:22,277 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 246 transitions. [2024-11-22 22:02:22,277 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 19 states, 19 states have (on average 5.157894736842105) internal successors, (98), 17 states have internal predecessors, (98), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-22 22:02:22,277 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 246 transitions. [2024-11-22 22:02:22,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-22 22:02:22,278 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:22,278 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:22,285 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:22,481 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-22 22:02:22,482 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:22,482 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:22,482 INFO L85 PathProgramCache]: Analyzing trace with hash -2116733990, now seen corresponding path program 1 times [2024-11-22 22:02:22,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:22,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [193545890] [2024-11-22 22:02:22,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:22,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:22,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:22,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:22,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [193545890] [2024-11-22 22:02:22,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [193545890] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:22,649 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1957825473] [2024-11-22 22:02:22,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:22,649 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:22,649 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:22,651 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) [2024-11-22 22:02:22,654 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-22 22:02:22,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:22,721 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-22 22:02:22,722 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:22,790 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-22 22:02:22,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-22 22:02:22,967 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:22,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1957825473] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-22 22:02:22,967 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-22 22:02:22,968 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-11-22 22:02:22,968 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658195156] [2024-11-22 22:02:22,968 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-22 22:02:22,969 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-22 22:02:22,969 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:22,969 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-22 22:02:22,969 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2024-11-22 22:02:22,970 INFO L87 Difference]: Start difference. First operand 211 states and 246 transitions. Second operand has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:02:23,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:23,211 INFO L93 Difference]: Finished difference Result 783 states and 939 transitions. [2024-11-22 22:02:23,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-22 22:02:23,212 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2024-11-22 22:02:23,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:23,213 INFO L225 Difference]: With dead ends: 783 [2024-11-22 22:02:23,214 INFO L226 Difference]: Without dead ends: 614 [2024-11-22 22:02:23,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 174 GetRequests, 155 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=153, Invalid=267, Unknown=0, NotChecked=0, Total=420 [2024-11-22 22:02:23,217 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 298 mSDsluCounter, 542 mSDsCounter, 0 mSdLazyCounter, 259 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 298 SdHoareTripleChecker+Valid, 624 SdHoareTripleChecker+Invalid, 271 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 259 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:23,217 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [298 Valid, 624 Invalid, 271 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 259 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-22 22:02:23,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-22 22:02:23,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 241. [2024-11-22 22:02:23,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 227 states have (on average 1.1850220264317182) internal successors, (269), 228 states have internal predecessors, (269), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:23,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 282 transitions. [2024-11-22 22:02:23,233 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 282 transitions. Word has length 83 [2024-11-22 22:02:23,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:23,234 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 282 transitions. [2024-11-22 22:02:23,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-22 22:02:23,234 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 282 transitions. [2024-11-22 22:02:23,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-22 22:02:23,235 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:23,235 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:23,243 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-22 22:02:23,435 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-22 22:02:23,436 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:23,436 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:23,436 INFO L85 PathProgramCache]: Analyzing trace with hash -1797283, now seen corresponding path program 1 times [2024-11-22 22:02:23,436 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:23,437 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1351570226] [2024-11-22 22:02:23,437 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:23,437 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:23,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:23,695 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 22:02:23,695 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:23,695 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1351570226] [2024-11-22 22:02:23,695 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1351570226] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:23,696 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:23,696 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-22 22:02:23,696 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [197855615] [2024-11-22 22:02:23,696 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:23,696 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:02:23,696 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:23,697 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:02:23,697 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-22 22:02:23,697 INFO L87 Difference]: Start difference. First operand 241 states and 282 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:23,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:23,830 INFO L93 Difference]: Finished difference Result 256 states and 300 transitions. [2024-11-22 22:02:23,830 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:02:23,830 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 84 [2024-11-22 22:02:23,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:23,832 INFO L225 Difference]: With dead ends: 256 [2024-11-22 22:02:23,832 INFO L226 Difference]: Without dead ends: 255 [2024-11-22 22:02:23,832 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:02:23,832 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 58 mSDsluCounter, 661 mSDsCounter, 0 mSdLazyCounter, 206 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 58 SdHoareTripleChecker+Valid, 750 SdHoareTripleChecker+Invalid, 210 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 206 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:23,832 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [58 Valid, 750 Invalid, 210 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 206 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:23,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-22 22:02:23,841 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 220. [2024-11-22 22:02:23,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 207 states have (on average 1.178743961352657) internal successors, (244), 208 states have internal predecessors, (244), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:23,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 257 transitions. [2024-11-22 22:02:23,843 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 257 transitions. Word has length 84 [2024-11-22 22:02:23,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:23,843 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 257 transitions. [2024-11-22 22:02:23,843 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:23,843 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 257 transitions. [2024-11-22 22:02:23,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-22 22:02:23,844 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:23,844 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:23,844 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-22 22:02:23,844 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:23,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:23,845 INFO L85 PathProgramCache]: Analyzing trace with hash 1280801390, now seen corresponding path program 1 times [2024-11-22 22:02:23,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:23,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [223791838] [2024-11-22 22:02:23,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:23,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:23,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:23,993 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:23,993 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:23,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [223791838] [2024-11-22 22:02:23,993 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [223791838] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:23,993 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1305184680] [2024-11-22 22:02:23,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:23,994 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:23,994 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:23,995 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) [2024-11-22 22:02:23,998 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-22 22:02:24,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:24,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-22 22:02:24,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:24,124 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 22:02:24,124 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:24,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1305184680] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:24,125 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:24,125 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-22 22:02:24,125 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877514091] [2024-11-22 22:02:24,125 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:24,125 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-22 22:02:24,125 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:24,126 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-22 22:02:24,126 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-22 22:02:24,126 INFO L87 Difference]: Start difference. First operand 220 states and 257 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:24,184 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:24,184 INFO L93 Difference]: Finished difference Result 259 states and 301 transitions. [2024-11-22 22:02:24,184 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-22 22:02:24,185 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 87 [2024-11-22 22:02:24,185 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:24,186 INFO L225 Difference]: With dead ends: 259 [2024-11-22 22:02:24,186 INFO L226 Difference]: Without dead ends: 238 [2024-11-22 22:02:24,186 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-22 22:02:24,186 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 8 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:24,187 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 563 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:24,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-22 22:02:24,196 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-22 22:02:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 223 states have (on average 1.1793721973094171) internal successors, (263), 223 states have internal predecessors, (263), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 276 transitions. [2024-11-22 22:02:24,197 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 276 transitions. Word has length 87 [2024-11-22 22:02:24,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:24,197 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 276 transitions. [2024-11-22 22:02:24,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 276 transitions. [2024-11-22 22:02:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-22 22:02:24,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:24,198 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:24,204 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-22 22:02:24,402 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:24,402 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:24,402 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:24,402 INFO L85 PathProgramCache]: Analyzing trace with hash -2003048656, now seen corresponding path program 1 times [2024-11-22 22:02:24,402 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:24,402 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1424409854] [2024-11-22 22:02:24,402 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:24,403 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:24,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:24,560 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-22 22:02:24,561 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:24,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1424409854] [2024-11-22 22:02:24,561 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1424409854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-22 22:02:24,561 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [316616820] [2024-11-22 22:02:24,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:24,561 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:24,562 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-22 22:02:24,568 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) [2024-11-22 22:02:24,570 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-22 22:02:25,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:25,002 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-11-22 22:02:25,004 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-22 22:02:25,163 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-22 22:02:25,163 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-22 22:02:25,163 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [316616820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:25,163 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-22 22:02:25,163 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [8] total 18 [2024-11-22 22:02:25,163 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [439853891] [2024-11-22 22:02:25,164 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:25,164 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-22 22:02:25,164 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:25,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-22 22:02:25,164 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-22 22:02:25,164 INFO L87 Difference]: Start difference. First operand 236 states and 276 transitions. Second operand has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:25,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:25,291 INFO L93 Difference]: Finished difference Result 254 states and 296 transitions. [2024-11-22 22:02:25,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-22 22:02:25,292 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 87 [2024-11-22 22:02:25,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:25,293 INFO L225 Difference]: With dead ends: 254 [2024-11-22 22:02:25,293 INFO L226 Difference]: Without dead ends: 253 [2024-11-22 22:02:25,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 50 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-11-22 22:02:25,293 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 43 mSDsluCounter, 610 mSDsCounter, 0 mSdLazyCounter, 207 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 687 SdHoareTripleChecker+Invalid, 211 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 207 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:25,293 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 687 Invalid, 211 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 207 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-22 22:02:25,294 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 253 states. [2024-11-22 22:02:25,302 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 253 to 240. [2024-11-22 22:02:25,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 240 states, 227 states have (on average 1.1850220264317182) internal successors, (269), 227 states have internal predecessors, (269), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-22 22:02:25,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 240 states and 282 transitions. [2024-11-22 22:02:25,304 INFO L78 Accepts]: Start accepts. Automaton has 240 states and 282 transitions. Word has length 87 [2024-11-22 22:02:25,304 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:25,304 INFO L471 AbstractCegarLoop]: Abstraction has 240 states and 282 transitions. [2024-11-22 22:02:25,304 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.636363636363637) internal successors, (51), 11 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:25,304 INFO L276 IsEmpty]: Start isEmpty. Operand 240 states and 282 transitions. [2024-11-22 22:02:25,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-22 22:02:25,305 INFO L207 NwaCegarLoop]: Found error trace [2024-11-22 22:02:25,305 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:25,312 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-22 22:02:25,509 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-22 22:02:25,509 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-22 22:02:25,510 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-22 22:02:25,510 INFO L85 PathProgramCache]: Analyzing trace with hash -1405868025, now seen corresponding path program 1 times [2024-11-22 22:02:25,510 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-22 22:02:25,510 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [514783997] [2024-11-22 22:02:25,510 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-22 22:02:25,511 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-22 22:02:25,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-22 22:02:25,753 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-22 22:02:25,754 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-22 22:02:25,754 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [514783997] [2024-11-22 22:02:25,754 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [514783997] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-22 22:02:25,754 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-22 22:02:25,754 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-22 22:02:25,754 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1719231077] [2024-11-22 22:02:25,754 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-22 22:02:25,754 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-22 22:02:25,755 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-22 22:02:25,755 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-22 22:02:25,755 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-22 22:02:25,755 INFO L87 Difference]: Start difference. First operand 240 states and 282 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:25,809 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-22 22:02:25,809 INFO L93 Difference]: Finished difference Result 240 states and 282 transitions. [2024-11-22 22:02:25,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-22 22:02:25,810 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 89 [2024-11-22 22:02:25,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-22 22:02:25,810 INFO L225 Difference]: With dead ends: 240 [2024-11-22 22:02:25,810 INFO L226 Difference]: Without dead ends: 0 [2024-11-22 22:02:25,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-22 22:02:25,811 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 51 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-22 22:02:25,811 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 268 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-22 22:02:25,812 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-22 22:02:25,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-22 22:02:25,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-22 22:02:25,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-22 22:02:25,812 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2024-11-22 22:02:25,812 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-22 22:02:25,812 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-22 22:02:25,812 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-22 22:02:25,813 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-22 22:02:25,813 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-22 22:02:25,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-22 22:02:25,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-22 22:02:25,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-22 22:02:25,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-22 22:02:25,815 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-22 22:02:25,816 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-22 22:02:25,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-22 22:02:25,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-22 22:02:25,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-22 22:02:25,817 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-22 22:02:25,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-22 22:02:25,819 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-22 22:02:25,821 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-22 22:02:44,102 WARN L286 SmtUtils]: Spent 17.85s on a formula simplification. DAG size of input: 86 DAG size of output: 117 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:03:02,330 WARN L286 SmtUtils]: Spent 12.85s on a formula simplification. DAG size of input: 88 DAG size of output: 122 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:03:18,791 WARN L286 SmtUtils]: Spent 16.46s on a formula simplification. DAG size of input: 86 DAG size of output: 117 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-22 22:03:40,888 WARN L286 SmtUtils]: Spent 22.10s on a formula simplification. DAG size of input: 109 DAG size of output: 188 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)