./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 8be7027f Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-3.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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:42:40,975 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:42:41,026 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 16:42:41,031 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:42:41,031 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:42:41,064 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:42:41,064 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:42:41,064 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:42:41,065 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:42:41,065 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:42:41,065 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:42:41,066 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:42:41,066 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:42:41,066 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:42:41,067 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:42:41,067 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:42:41,067 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:42:41,068 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:42:41,068 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:42:41,068 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:42:41,068 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:42:41,072 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:42:41,072 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:42:41,072 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:42:41,072 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:42:41,073 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:42:41,073 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:42:41,073 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:42:41,073 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:42:41,074 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:42:41,074 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:42:41,074 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:42:41,074 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:42:41,075 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:42:41,075 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:42:41,075 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:42:41,075 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:42:41,075 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:42:41,076 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:42:41,076 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:42:41,076 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:42:41,076 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:42:41,076 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:42:41,077 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:42:41,077 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2024-11-12 16:42:41,264 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:42:41,282 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:42:41,284 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:42:41,285 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:42:41,285 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:42:41,286 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-11-12 16:42:42,507 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:42:42,666 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:42:42,669 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-11-12 16:42:42,676 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/290656006/bab790ed4d384def9e7cd0c0c89c7040/FLAG194b2750b [2024-11-12 16:42:42,695 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/290656006/bab790ed4d384def9e7cd0c0c89c7040 [2024-11-12 16:42:42,697 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:42:42,698 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:42:42,699 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:42:42,699 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:42:42,704 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:42:42,704 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:42,705 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f468b0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42, skipping insertion in model container [2024-11-12 16:42:42,705 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:42,735 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:42:42,897 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:42:42,904 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:42:42,940 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:42:42,952 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:42:42,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42 WrapperNode [2024-11-12 16:42:42,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:42:42,954 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:42:42,954 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:42:42,954 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:42:42,958 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:42,965 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:42,987 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 209 [2024-11-12 16:42:42,987 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:42:42,988 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:42:42,988 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:42:42,988 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:42:42,997 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:42,997 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:42,999 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,009 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]. [2024-11-12 16:42:43,010 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,010 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,013 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,021 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,023 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,023 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,025 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:42:43,026 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:42:43,026 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:42:43,026 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:42:43,027 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (1/1) ... [2024-11-12 16:42:43,031 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:42:43,038 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:42:43,053 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) [2024-11-12 16:42:43,055 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 [2024-11-12 16:42:43,092 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:42:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:42:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-12 16:42:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-12 16:42:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:42:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:42:43,093 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 16:42:43,093 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 16:42:43,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:42:43,169 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:42:43,554 INFO L? ?]: Removed 93 outVars from TransFormulas that were not future-live. [2024-11-12 16:42:43,554 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:42:43,572 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:42:43,572 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 16:42:43,572 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:43 BoogieIcfgContainer [2024-11-12 16:42:43,572 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:42:43,575 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:42:43,575 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:42:43,577 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:42:43,578 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:42:42" (1/3) ... [2024-11-12 16:42:43,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de09496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:42:43, skipping insertion in model container [2024-11-12 16:42:43,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:42" (2/3) ... [2024-11-12 16:42:43,579 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2de09496 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:42:43, skipping insertion in model container [2024-11-12 16:42:43,579 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:43" (3/3) ... [2024-11-12 16:42:43,580 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-3.c.cil.c [2024-11-12 16:42:43,593 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:42:43,593 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-12 16:42:43,638 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:42:43,643 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;@57fea9e5, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:42:43,643 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-12 16:42:43,647 INFO L276 IsEmpty]: Start isEmpty. Operand has 139 states, 105 states have (on average 1.6571428571428573) internal successors, (174), 129 states have internal predecessors, (174), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 16:42:43,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:42:43,651 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:43,652 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:43,652 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:43,656 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:43,656 INFO L85 PathProgramCache]: Analyzing trace with hash 920510012, now seen corresponding path program 1 times [2024-11-12 16:42:43,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:43,663 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1909170641] [2024-11-12 16:42:43,663 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:43,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:43,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:43,841 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:43,842 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:43,843 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1909170641] [2024-11-12 16:42:43,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1909170641] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:43,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:43,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:42:43,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [523865682] [2024-11-12 16:42:43,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:43,849 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:42:43,849 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:43,868 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:42:43,869 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:42:43,871 INFO L87 Difference]: Start difference. First operand has 139 states, 105 states have (on average 1.6571428571428573) internal successors, (174), 129 states have internal predecessors, (174), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 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) [2024-11-12 16:42:44,044 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:44,044 INFO L93 Difference]: Finished difference Result 329 states and 478 transitions. [2024-11-12 16:42:44,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:42:44,047 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 [2024-11-12 16:42:44,047 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:44,054 INFO L225 Difference]: With dead ends: 329 [2024-11-12 16:42:44,054 INFO L226 Difference]: Without dead ends: 161 [2024-11-12 16:42:44,057 INFO L434 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 [2024-11-12 16:42:44,059 INFO L435 NwaCegarLoop]: 167 mSDtfsCounter, 90 mSDsluCounter, 328 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 90 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:44,060 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [90 Valid, 495 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:42:44,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 161 states. [2024-11-12 16:42:44,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 161 to 149. [2024-11-12 16:42:44,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 122 states have (on average 1.4918032786885247) internal successors, (182), 139 states have internal predecessors, (182), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 194 transitions. [2024-11-12 16:42:44,098 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 194 transitions. Word has length 9 [2024-11-12 16:42:44,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:44,101 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 194 transitions. [2024-11-12 16:42:44,101 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) [2024-11-12 16:42:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 194 transitions. [2024-11-12 16:42:44,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 16:42:44,102 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:44,102 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:44,103 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:42:44,103 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:44,104 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:44,105 INFO L85 PathProgramCache]: Analyzing trace with hash -926903484, now seen corresponding path program 1 times [2024-11-12 16:42:44,105 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:44,105 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998305259] [2024-11-12 16:42:44,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:44,106 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:44,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:44,175 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:44,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:44,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998305259] [2024-11-12 16:42:44,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998305259] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:44,176 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:44,177 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:42:44,177 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [96985985] [2024-11-12 16:42:44,177 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:44,178 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:44,179 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:44,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:44,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:44,180 INFO L87 Difference]: Start difference. First operand 149 states and 194 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) [2024-11-12 16:42:44,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:44,221 INFO L93 Difference]: Finished difference Result 281 states and 364 transitions. [2024-11-12 16:42:44,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:44,222 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 [2024-11-12 16:42:44,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:44,223 INFO L225 Difference]: With dead ends: 281 [2024-11-12 16:42:44,223 INFO L226 Difference]: Without dead ends: 163 [2024-11-12 16:42:44,224 INFO L434 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 [2024-11-12 16:42:44,225 INFO L435 NwaCegarLoop]: 124 mSDtfsCounter, 12 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 227 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 [2024-11-12 16:42:44,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 227 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:44,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-12 16:42:44,233 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 153. [2024-11-12 16:42:44,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 153 states, 126 states have (on average 1.4761904761904763) internal successors, (186), 143 states have internal predecessors, (186), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:44,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 153 states to 153 states and 198 transitions. [2024-11-12 16:42:44,235 INFO L78 Accepts]: Start accepts. Automaton has 153 states and 198 transitions. Word has length 14 [2024-11-12 16:42:44,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:44,236 INFO L471 AbstractCegarLoop]: Abstraction has 153 states and 198 transitions. [2024-11-12 16:42:44,236 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) [2024-11-12 16:42:44,236 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 198 transitions. [2024-11-12 16:42:44,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-12 16:42:44,236 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:44,237 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:44,237 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:42:44,237 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:44,238 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:44,238 INFO L85 PathProgramCache]: Analyzing trace with hash -927014830, now seen corresponding path program 1 times [2024-11-12 16:42:44,238 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:44,239 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [159232116] [2024-11-12 16:42:44,239 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:44,239 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:42:44,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:44,286 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [159232116] [2024-11-12 16:42:44,286 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [159232116] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:44,286 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:44,286 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:42:44,286 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [265542345] [2024-11-12 16:42:44,286 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:44,286 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:44,287 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:44,287 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:44,287 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:44,287 INFO L87 Difference]: Start difference. First operand 153 states and 198 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) [2024-11-12 16:42:44,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:44,330 INFO L93 Difference]: Finished difference Result 153 states and 198 transitions. [2024-11-12 16:42:44,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:44,331 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 [2024-11-12 16:42:44,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:44,333 INFO L225 Difference]: With dead ends: 153 [2024-11-12 16:42:44,333 INFO L226 Difference]: Without dead ends: 152 [2024-11-12 16:42:44,333 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:44,335 INFO L435 NwaCegarLoop]: 122 mSDtfsCounter, 1 mSDsluCounter, 98 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 220 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:44,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 220 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:44,338 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-12 16:42:44,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 152. [2024-11-12 16:42:44,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 126 states have (on average 1.4603174603174602) internal successors, (184), 142 states have internal predecessors, (184), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:44,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 196 transitions. [2024-11-12 16:42:44,355 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 196 transitions. Word has length 14 [2024-11-12 16:42:44,356 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:44,356 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 196 transitions. [2024-11-12 16:42:44,356 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) [2024-11-12 16:42:44,356 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 196 transitions. [2024-11-12 16:42:44,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 16:42:44,357 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:44,357 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:44,357 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:42:44,357 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:44,358 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:44,358 INFO L85 PathProgramCache]: Analyzing trace with hash -287960534, now seen corresponding path program 1 times [2024-11-12 16:42:44,358 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:44,358 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661679686] [2024-11-12 16:42:44,358 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:44,358 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:44,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:44,418 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:44,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661679686] [2024-11-12 16:42:44,420 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661679686] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:42:44,420 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1183208469] [2024-11-12 16:42:44,420 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:44,420 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:42:44,420 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:42:44,422 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) [2024-11-12 16:42:44,423 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 16:42:44,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:44,469 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:42:44,471 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:44,513 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:44,514 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:44,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1183208469] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:44,515 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:42:44,515 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-12 16:42:44,515 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72292926] [2024-11-12 16:42:44,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:44,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:42:44,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:44,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:42:44,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:42:44,518 INFO L87 Difference]: Start difference. First operand 152 states and 196 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) [2024-11-12 16:42:44,580 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:44,580 INFO L93 Difference]: Finished difference Result 178 states and 236 transitions. [2024-11-12 16:42:44,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:42:44,583 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 [2024-11-12 16:42:44,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:44,584 INFO L225 Difference]: With dead ends: 178 [2024-11-12 16:42:44,584 INFO L226 Difference]: Without dead ends: 176 [2024-11-12 16:42:44,585 INFO L434 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 [2024-11-12 16:42:44,586 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 25 mSDsluCounter, 198 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 319 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:44,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 319 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:42:44,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-11-12 16:42:44,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2024-11-12 16:42:44,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 133 states have (on average 1.4360902255639099) internal successors, (191), 149 states have internal predecessors, (191), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:44,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 203 transitions. [2024-11-12 16:42:44,597 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 203 transitions. Word has length 15 [2024-11-12 16:42:44,597 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:44,597 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 203 transitions. [2024-11-12 16:42:44,598 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) [2024-11-12 16:42:44,598 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 203 transitions. [2024-11-12 16:42:44,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-12 16:42:44,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:44,602 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:44,616 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2024-11-12 16:42:44,806 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 [2024-11-12 16:42:44,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:44,807 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:44,807 INFO L85 PathProgramCache]: Analyzing trace with hash 1327311399, now seen corresponding path program 1 times [2024-11-12 16:42:44,807 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:44,807 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806748399] [2024-11-12 16:42:44,808 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:44,808 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:44,852 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:44,852 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:44,852 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806748399] [2024-11-12 16:42:44,853 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806748399] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:42:44,853 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [790060529] [2024-11-12 16:42:44,853 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:44,853 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:42:44,853 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:42:44,855 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) [2024-11-12 16:42:44,856 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 16:42:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:44,898 INFO L256 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:42:44,899 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:44,915 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:44,916 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:44,916 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [790060529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:44,916 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:42:44,916 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-12 16:42:44,917 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [818390540] [2024-11-12 16:42:44,917 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:44,918 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:44,918 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:44,918 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:44,919 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:42:44,919 INFO L87 Difference]: Start difference. First operand 159 states and 203 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) [2024-11-12 16:42:44,962 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:44,963 INFO L93 Difference]: Finished difference Result 165 states and 211 transitions. [2024-11-12 16:42:44,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:44,963 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 [2024-11-12 16:42:44,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:44,964 INFO L225 Difference]: With dead ends: 165 [2024-11-12 16:42:44,964 INFO L226 Difference]: Without dead ends: 164 [2024-11-12 16:42:44,965 INFO L434 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 [2024-11-12 16:42:44,965 INFO L435 NwaCegarLoop]: 116 mSDtfsCounter, 17 mSDsluCounter, 95 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 211 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:44,966 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 211 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:44,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-11-12 16:42:44,976 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 161. [2024-11-12 16:42:44,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 161 states, 135 states have (on average 1.4296296296296296) internal successors, (193), 151 states have internal predecessors, (193), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:44,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 161 states to 161 states and 205 transitions. [2024-11-12 16:42:44,982 INFO L78 Accepts]: Start accepts. Automaton has 161 states and 205 transitions. Word has length 15 [2024-11-12 16:42:44,982 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:44,982 INFO L471 AbstractCegarLoop]: Abstraction has 161 states and 205 transitions. [2024-11-12 16:42:44,982 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) [2024-11-12 16:42:44,982 INFO L276 IsEmpty]: Start isEmpty. Operand 161 states and 205 transitions. [2024-11-12 16:42:44,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:42:44,983 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:44,983 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:44,996 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 16:42:45,183 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 [2024-11-12 16:42:45,184 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:45,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:45,184 INFO L85 PathProgramCache]: Analyzing trace with hash 2127048770, now seen corresponding path program 1 times [2024-11-12 16:42:45,184 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:45,184 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348007959] [2024-11-12 16:42:45,184 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:45,185 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,238 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:42:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,244 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:45,244 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:45,244 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348007959] [2024-11-12 16:42:45,245 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1348007959] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:45,245 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:45,245 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:42:45,245 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890009456] [2024-11-12 16:42:45,245 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:45,245 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:42:45,245 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:45,246 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:42:45,246 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:45,246 INFO L87 Difference]: Start difference. First operand 161 states and 205 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:45,333 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:45,333 INFO L93 Difference]: Finished difference Result 230 states and 293 transitions. [2024-11-12 16:42:45,334 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:42:45,334 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-12 16:42:45,334 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:45,335 INFO L225 Difference]: With dead ends: 230 [2024-11-12 16:42:45,335 INFO L226 Difference]: Without dead ends: 226 [2024-11-12 16:42:45,335 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:42:45,336 INFO L435 NwaCegarLoop]: 101 mSDtfsCounter, 143 mSDsluCounter, 237 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 149 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 96 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:45,336 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [149 Valid, 338 Invalid, 96 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:42:45,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2024-11-12 16:42:45,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 209. [2024-11-12 16:42:45,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 209 states, 183 states have (on average 1.4207650273224044) internal successors, (260), 198 states have internal predecessors, (260), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:45,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 209 states to 209 states and 272 transitions. [2024-11-12 16:42:45,344 INFO L78 Accepts]: Start accepts. Automaton has 209 states and 272 transitions. Word has length 17 [2024-11-12 16:42:45,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:45,344 INFO L471 AbstractCegarLoop]: Abstraction has 209 states and 272 transitions. [2024-11-12 16:42:45,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:45,344 INFO L276 IsEmpty]: Start isEmpty. Operand 209 states and 272 transitions. [2024-11-12 16:42:45,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:42:45,345 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:45,345 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:45,345 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:42:45,345 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:45,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:45,346 INFO L85 PathProgramCache]: Analyzing trace with hash 2098421414, now seen corresponding path program 1 times [2024-11-12 16:42:45,346 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:45,346 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1456153203] [2024-11-12 16:42:45,346 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:45,346 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:45,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:42:45,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,383 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:45,383 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:45,383 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1456153203] [2024-11-12 16:42:45,383 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1456153203] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:45,383 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:45,383 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:42:45,384 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [422980962] [2024-11-12 16:42:45,384 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:45,384 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:42:45,384 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:45,384 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:42:45,384 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:45,384 INFO L87 Difference]: Start difference. First operand 209 states and 272 transitions. Second operand has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:45,499 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:45,503 INFO L93 Difference]: Finished difference Result 231 states and 294 transitions. [2024-11-12 16:42:45,504 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:42:45,504 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 17 [2024-11-12 16:42:45,504 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:45,505 INFO L225 Difference]: With dead ends: 231 [2024-11-12 16:42:45,505 INFO L226 Difference]: Without dead ends: 228 [2024-11-12 16:42:45,505 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:42:45,506 INFO L435 NwaCegarLoop]: 100 mSDtfsCounter, 145 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 151 SdHoareTripleChecker+Valid, 338 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:45,506 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [151 Valid, 338 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:42:45,507 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2024-11-12 16:42:45,525 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 207. [2024-11-12 16:42:45,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 182 states have (on average 1.39010989010989) internal successors, (253), 196 states have internal predecessors, (253), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:45,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 265 transitions. [2024-11-12 16:42:45,526 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 265 transitions. Word has length 17 [2024-11-12 16:42:45,526 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:45,527 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 265 transitions. [2024-11-12 16:42:45,527 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.5) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:45,527 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 265 transitions. [2024-11-12 16:42:45,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 16:42:45,528 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:45,528 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:45,528 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-12 16:42:45,528 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:45,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:45,528 INFO L85 PathProgramCache]: Analyzing trace with hash -1074804734, now seen corresponding path program 1 times [2024-11-12 16:42:45,529 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:45,529 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [492451728] [2024-11-12 16:42:45,529 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:45,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:45,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,549 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:45,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:45,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [492451728] [2024-11-12 16:42:45,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [492451728] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:45,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:45,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:42:45,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [830331902] [2024-11-12 16:42:45,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:45,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:45,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:45,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:45,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:45,551 INFO L87 Difference]: Start difference. First operand 207 states and 265 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2024-11-12 16:42:45,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:45,585 INFO L93 Difference]: Finished difference Result 391 states and 498 transitions. [2024-11-12 16:42:45,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:45,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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 [2024-11-12 16:42:45,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:45,586 INFO L225 Difference]: With dead ends: 391 [2024-11-12 16:42:45,586 INFO L226 Difference]: Without dead ends: 218 [2024-11-12 16:42:45,587 INFO L434 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 [2024-11-12 16:42:45,587 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 8 mSDsluCounter, 100 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 223 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 [2024-11-12 16:42:45,588 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 223 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:45,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 218 states. [2024-11-12 16:42:45,593 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 218 to 208. [2024-11-12 16:42:45,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 208 states, 183 states have (on average 1.360655737704918) internal successors, (249), 197 states have internal predecessors, (249), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:45,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 208 states to 208 states and 261 transitions. [2024-11-12 16:42:45,594 INFO L78 Accepts]: Start accepts. Automaton has 208 states and 261 transitions. Word has length 16 [2024-11-12 16:42:45,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:45,595 INFO L471 AbstractCegarLoop]: Abstraction has 208 states and 261 transitions. [2024-11-12 16:42:45,595 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 3 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) [2024-11-12 16:42:45,595 INFO L276 IsEmpty]: Start isEmpty. Operand 208 states and 261 transitions. [2024-11-12 16:42:45,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:42:45,598 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:45,598 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:45,598 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2024-11-12 16:42:45,598 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:45,598 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:45,598 INFO L85 PathProgramCache]: Analyzing trace with hash -1850000426, now seen corresponding path program 1 times [2024-11-12 16:42:45,598 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:45,599 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [344000664] [2024-11-12 16:42:45,599 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:45,599 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,658 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:45,658 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:45,658 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [344000664] [2024-11-12 16:42:45,658 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [344000664] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:42:45,659 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243871978] [2024-11-12 16:42:45,659 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:45,659 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:42:45,659 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:42:45,660 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) [2024-11-12 16:42:45,661 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 16:42:45,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:45,692 INFO L256 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:42:45,693 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:45,710 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:45,710 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:45,710 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243871978] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:45,711 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:42:45,711 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-12 16:42:45,711 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [629562612] [2024-11-12 16:42:45,711 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:45,711 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:42:45,711 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:45,712 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:42:45,712 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:42:45,712 INFO L87 Difference]: Start difference. First operand 208 states and 261 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) [2024-11-12 16:42:45,752 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:45,752 INFO L93 Difference]: Finished difference Result 222 states and 280 transitions. [2024-11-12 16:42:45,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:42:45,753 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 [2024-11-12 16:42:45,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:45,754 INFO L225 Difference]: With dead ends: 222 [2024-11-12 16:42:45,754 INFO L226 Difference]: Without dead ends: 221 [2024-11-12 16:42:45,754 INFO L434 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 [2024-11-12 16:42:45,754 INFO L435 NwaCegarLoop]: 121 mSDtfsCounter, 9 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 323 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:45,755 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 323 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:45,755 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 221 states. [2024-11-12 16:42:45,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 221 to 207. [2024-11-12 16:42:45,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 207 states, 182 states have (on average 1.3516483516483517) internal successors, (246), 196 states have internal predecessors, (246), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:45,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 258 transitions. [2024-11-12 16:42:45,761 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 258 transitions. Word has length 17 [2024-11-12 16:42:45,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:45,761 INFO L471 AbstractCegarLoop]: Abstraction has 207 states and 258 transitions. [2024-11-12 16:42:45,762 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) [2024-11-12 16:42:45,762 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 258 transitions. [2024-11-12 16:42:45,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:42:45,762 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:45,762 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:45,777 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-12 16:42:45,963 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:42:45,963 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:45,964 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:45,964 INFO L85 PathProgramCache]: Analyzing trace with hash -1602729165, now seen corresponding path program 1 times [2024-11-12 16:42:45,964 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:45,964 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1161997282] [2024-11-12 16:42:45,964 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:45,964 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:45,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,024 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:46,025 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:46,025 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1161997282] [2024-11-12 16:42:46,025 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1161997282] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:46,025 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:46,025 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:42:46,025 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [352554980] [2024-11-12 16:42:46,026 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:46,026 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:42:46,026 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:46,026 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:42:46,026 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:42:46,027 INFO L87 Difference]: Start difference. First operand 207 states and 258 transitions. Second operand has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 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) [2024-11-12 16:42:46,065 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:46,065 INFO L93 Difference]: Finished difference Result 364 states and 453 transitions. [2024-11-12 16:42:46,065 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:42:46,066 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 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 [2024-11-12 16:42:46,066 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:46,066 INFO L225 Difference]: With dead ends: 364 [2024-11-12 16:42:46,067 INFO L226 Difference]: Without dead ends: 162 [2024-11-12 16:42:46,068 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:46,068 INFO L435 NwaCegarLoop]: 120 mSDtfsCounter, 4 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 339 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:46,070 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 339 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:46,071 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 162 states. [2024-11-12 16:42:46,074 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 162 to 162. [2024-11-12 16:42:46,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 137 states have (on average 1.3722627737226278) internal successors, (188), 151 states have internal predecessors, (188), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:46,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 200 transitions. [2024-11-12 16:42:46,077 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 200 transitions. Word has length 17 [2024-11-12 16:42:46,078 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:46,078 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 200 transitions. [2024-11-12 16:42:46,078 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 4.0) internal successors, (16), 3 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) [2024-11-12 16:42:46,078 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 200 transitions. [2024-11-12 16:42:46,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 16:42:46,079 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:46,079 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:46,079 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-12 16:42:46,079 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:46,080 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:46,080 INFO L85 PathProgramCache]: Analyzing trace with hash 1583572215, now seen corresponding path program 1 times [2024-11-12 16:42:46,080 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:46,080 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [323624021] [2024-11-12 16:42:46,080 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:46,080 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:46,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,121 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:42:46,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,126 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 16:42:46,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,132 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 16:42:46,132 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:46,132 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [323624021] [2024-11-12 16:42:46,133 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [323624021] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:46,133 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:46,133 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:42:46,133 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1772690221] [2024-11-12 16:42:46,133 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:46,133 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:42:46,137 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:46,137 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:42:46,138 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:46,138 INFO L87 Difference]: Start difference. First operand 162 states and 200 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) [2024-11-12 16:42:46,222 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:46,223 INFO L93 Difference]: Finished difference Result 170 states and 207 transitions. [2024-11-12 16:42:46,223 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:42:46,224 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 [2024-11-12 16:42:46,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:46,224 INFO L225 Difference]: With dead ends: 170 [2024-11-12 16:42:46,224 INFO L226 Difference]: Without dead ends: 167 [2024-11-12 16:42:46,225 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:42:46,225 INFO L435 NwaCegarLoop]: 123 mSDtfsCounter, 134 mSDsluCounter, 266 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 139 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 114 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:46,225 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [139 Valid, 389 Invalid, 114 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:42:46,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-12 16:42:46,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 160. [2024-11-12 16:42:46,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 137 states have (on average 1.3576642335766422) internal successors, (186), 149 states have internal predecessors, (186), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:46,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 198 transitions. [2024-11-12 16:42:46,233 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 198 transitions. Word has length 24 [2024-11-12 16:42:46,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:46,234 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 198 transitions. [2024-11-12 16:42:46,234 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) [2024-11-12 16:42:46,234 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 198 transitions. [2024-11-12 16:42:46,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 16:42:46,235 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:46,235 INFO L218 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:46,235 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-12 16:42:46,235 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:46,235 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:46,236 INFO L85 PathProgramCache]: Analyzing trace with hash 1554944859, now seen corresponding path program 1 times [2024-11-12 16:42:46,236 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:46,236 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1919997941] [2024-11-12 16:42:46,236 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:46,236 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:46,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-12 16:42:46,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,272 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-12 16:42:46,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:46,279 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-12 16:42:46,279 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:42:46,279 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1919997941] [2024-11-12 16:42:46,282 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1919997941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:46,282 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:46,282 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:42:46,282 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105743769] [2024-11-12 16:42:46,282 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:46,283 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-12 16:42:46,283 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:42:46,283 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-12 16:42:46,283 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:46,283 INFO L87 Difference]: Start difference. First operand 160 states and 198 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) [2024-11-12 16:42:46,358 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:46,359 INFO L93 Difference]: Finished difference Result 169 states and 207 transitions. [2024-11-12 16:42:46,360 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:42:46,360 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 [2024-11-12 16:42:46,360 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:46,361 INFO L225 Difference]: With dead ends: 169 [2024-11-12 16:42:46,361 INFO L226 Difference]: Without dead ends: 167 [2024-11-12 16:42:46,361 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:42:46,362 INFO L435 NwaCegarLoop]: 125 mSDtfsCounter, 138 mSDsluCounter, 271 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 143 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 104 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:46,362 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [143 Valid, 396 Invalid, 104 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:42:46,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 167 states. [2024-11-12 16:42:46,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 167 to 149. [2024-11-12 16:42:46,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 128 states have (on average 1.3515625) internal successors, (173), 138 states have internal predecessors, (173), 6 states have call successors, (6), 4 states have call predecessors, (6), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:46,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 185 transitions. [2024-11-12 16:42:46,368 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 185 transitions. Word has length 24 [2024-11-12 16:42:46,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:46,368 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 185 transitions. [2024-11-12 16:42:46,368 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) [2024-11-12 16:42:46,368 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 185 transitions. [2024-11-12 16:42:46,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-12 16:42:46,368 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:46,369 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:46,369 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-12 16:42:46,369 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:46,370 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:46,370 INFO L85 PathProgramCache]: Analyzing trace with hash -1623890454, now seen corresponding path program 1 times [2024-11-12 16:42:46,370 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:42:46,370 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1641718576] [2024-11-12 16:42:46,370 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:46,370 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:42:46,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:42:46,376 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 16:42:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:42:46,398 INFO L130 FreeRefinementEngine]: Strategy CAMEL found a feasible trace [2024-11-12 16:42:46,399 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 16:42:46,400 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-12 16:42:46,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-12 16:42:46,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-12 16:42:46,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-12 16:42:46,403 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-12 16:42:46,404 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-12 16:42:46,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-12 16:42:46,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-12 16:42:46,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-12 16:42:46,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-12 16:42:46,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-12 16:42:46,405 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-12 16:42:46,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-12 16:42:46,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-12 16:42:46,406 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-12 16:42:46,406 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-12 16:42:46,409 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:46,429 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:42:46,433 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:42:46 BoogieIcfgContainer [2024-11-12 16:42:46,433 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:42:46,434 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:42:46,434 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:42:46,434 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:42:46,434 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:43" (3/4) ... [2024-11-12 16:42:46,436 INFO L145 WitnessPrinter]: No result that supports witness generation found [2024-11-12 16:42:46,437 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:42:46,438 INFO L158 Benchmark]: Toolchain (without parser) took 3739.41ms. Allocated memory is still 222.3MB. Free memory was 193.4MB in the beginning and 81.2MB in the end (delta: 112.2MB). Peak memory consumption was 111.8MB. Max. memory is 16.1GB. [2024-11-12 16:42:46,438 INFO L158 Benchmark]: CDTParser took 0.69ms. Allocated memory is still 136.3MB. Free memory was 103.1MB in the beginning and 103.1MB in the end (delta: 19.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:46,438 INFO L158 Benchmark]: CACSL2BoogieTranslator took 254.14ms. Allocated memory is still 222.3MB. Free memory was 193.2MB in the beginning and 183.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. [2024-11-12 16:42:46,439 INFO L158 Benchmark]: Boogie Procedure Inliner took 33.85ms. Allocated memory is still 222.3MB. Free memory was 182.2MB in the beginning and 180.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:42:46,439 INFO L158 Benchmark]: Boogie Preprocessor took 37.54ms. Allocated memory is still 222.3MB. Free memory was 180.2MB in the beginning and 178.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:42:46,439 INFO L158 Benchmark]: RCFGBuilder took 546.53ms. Allocated memory is still 222.3MB. Free memory was 178.1MB in the beginning and 149.8MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-11-12 16:42:46,439 INFO L158 Benchmark]: TraceAbstraction took 2858.50ms. Allocated memory is still 222.3MB. Free memory was 149.8MB in the beginning and 81.2MB in the end (delta: 68.6MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. [2024-11-12 16:42:46,440 INFO L158 Benchmark]: Witness Printer took 3.67ms. Allocated memory is still 222.3MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:46,440 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.69ms. Allocated memory is still 136.3MB. Free memory was 103.1MB in the beginning and 103.1MB in the end (delta: 19.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 254.14ms. Allocated memory is still 222.3MB. Free memory was 193.2MB in the beginning and 183.2MB in the end (delta: 10.0MB). Peak memory consumption was 10.8MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 33.85ms. Allocated memory is still 222.3MB. Free memory was 182.2MB in the beginning and 180.2MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 37.54ms. Allocated memory is still 222.3MB. Free memory was 180.2MB in the beginning and 178.1MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 546.53ms. Allocated memory is still 222.3MB. Free memory was 178.1MB in the beginning and 149.8MB in the end (delta: 28.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 2858.50ms. Allocated memory is still 222.3MB. Free memory was 149.8MB in the beginning and 81.2MB in the end (delta: 68.6MB). Peak memory consumption was 69.5MB. Max. memory is 16.1GB. * Witness Printer took 3.67ms. Allocated memory is still 222.3MB. Free memory is still 81.2MB. There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: overapproximation of bitwiseAnd at line 76. Possible FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; VAL [ea=0, eb=0] [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); VAL [\old(e)=0, \old(m)=0, \result=0, e=0] [L251] RET, EXPR base2flt(0, 0) VAL [ea=0, eb=0] [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] EXPR m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0] [L76] m = m & ~ (1U << 24U) [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 139 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.8s, OverallIterations: 13, TraceHistogramMax: 3, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 748 SdHoareTripleChecker+Valid, 0.6s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 726 mSDsluCounter, 3818 SdHoareTripleChecker+Invalid, 0.5s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2355 mSDsCounter, 53 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 702 IncrementalHoareTripleChecker+Invalid, 755 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 53 mSolverCounterUnsat, 1463 mSDtfsCounter, 702 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 111 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=209occurred in iteration=6, InterpolantAutomatonStates: 52, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 129 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 270 NumberOfCodeBlocks, 270 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 231 ConstructedInterpolants, 0 QuantifiedInterpolants, 529 SizeOfPredicates, 0 NumberOfNonLiveVariables, 156 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 15 InterpolantComputations, 12 PerfectInterpolantSequences, 35/45 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces [2024-11-12 16:42:46,464 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Using bit-precise analysis Retrying with bit-precise analysis ### Bit-precise run ### Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.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 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:42:48,247 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:42:48,303 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Bitvector.epf [2024-11-12 16:42:48,306 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:42:48,306 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:42:48,325 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:42:48,327 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:42:48,327 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:42:48,327 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:42:48,328 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:42:48,328 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:42:48,328 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:42:48,328 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:42:48,329 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:42:48,329 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:42:48,329 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:42:48,329 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:42:48,330 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:42:48,330 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:42:48,330 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:42:48,334 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:42:48,334 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:42:48,334 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:42:48,335 INFO L153 SettingsManager]: * Adapt memory model on pointer casts if necessary=true [2024-11-12 16:42:48,335 INFO L153 SettingsManager]: * Use bitvectors instead of ints=true [2024-11-12 16:42:48,335 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:42:48,335 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:42:48,336 INFO L153 SettingsManager]: * Memory model=HoenickeLindenmann_4ByteResolution [2024-11-12 16:42:48,337 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:42:48,337 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:42:48,337 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:42:48,337 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:42:48,337 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:42:48,337 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:42:48,343 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:42:48,343 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:42:48,343 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:42:48,344 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:42:48,344 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:42:48,344 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:42:48,344 INFO L153 SettingsManager]: * Trace refinement strategy=WOLF [2024-11-12 16:42:48,345 INFO L153 SettingsManager]: * Command for external solver=cvc4 --incremental --print-success --lang smt [2024-11-12 16:42:48,345 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:42:48,345 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:42:48,345 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:42:48,345 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:42:48,345 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 94f477eb9e1d39767903bc1f4d97616f290c342b1e9705cced3715d26576f911 [2024-11-12 16:42:48,589 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:42:48,607 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:42:48,609 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:42:48,610 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:42:48,611 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:42:48,614 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-11-12 16:42:49,870 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:42:50,037 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:42:50,037 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_1-3.c.cil.c [2024-11-12 16:42:50,049 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4434a81dc/e634198f7728417fa65c69aaed8c8caa/FLAG6c8350981 [2024-11-12 16:42:50,428 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/4434a81dc/e634198f7728417fa65c69aaed8c8caa [2024-11-12 16:42:50,429 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:42:50,430 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:42:50,431 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:42:50,431 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:42:50,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:42:50,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@605ce092 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50, skipping insertion in model container [2024-11-12 16:42:50,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,470 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:42:50,686 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:42:50,700 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:42:50,742 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:42:50,760 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:42:50,761 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50 WrapperNode [2024-11-12 16:42:50,761 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:42:50,762 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:42:50,762 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:42:50,762 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:42:50,768 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,777 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,799 INFO L138 Inliner]: procedures = 17, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 168 [2024-11-12 16:42:50,803 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:42:50,804 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:42:50,804 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:42:50,804 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:42:50,812 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,812 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,818 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,837 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]. [2024-11-12 16:42:50,841 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,841 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,845 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,852 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,854 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,857 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,859 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:42:50,860 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:42:50,860 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:42:50,860 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:42:50,861 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (1/1) ... [2024-11-12 16:42:50,865 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:42:50,873 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:42:50,885 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) [2024-11-12 16:42:50,891 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 [2024-11-12 16:42:50,922 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:42:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~intINTTYPE1#0 [2024-11-12 16:42:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-12 16:42:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-12 16:42:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:42:50,923 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:42:50,923 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-12 16:42:50,924 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-12 16:42:50,987 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:42:50,990 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:42:51,324 INFO L? ?]: Removed 70 outVars from TransFormulas that were not future-live. [2024-11-12 16:42:51,324 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:42:51,338 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:42:51,338 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-12 16:42:51,339 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:51 BoogieIcfgContainer [2024-11-12 16:42:51,339 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:42:51,340 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:42:51,341 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:42:51,343 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:42:51,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:42:50" (1/3) ... [2024-11-12 16:42:51,344 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1527293c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:42:51, skipping insertion in model container [2024-11-12 16:42:51,344 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:42:50" (2/3) ... [2024-11-12 16:42:51,345 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1527293c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:42:51, skipping insertion in model container [2024-11-12 16:42:51,345 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:51" (3/3) ... [2024-11-12 16:42:51,346 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_1-3.c.cil.c [2024-11-12 16:42:51,359 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:42:51,360 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 22 error locations. [2024-11-12 16:42:51,410 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:42:51,415 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;@68a9580, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:42:51,415 INFO L334 AbstractCegarLoop]: Starting to check reachability of 22 error locations. [2024-11-12 16:42:51,418 INFO L276 IsEmpty]: Start isEmpty. Operand has 115 states, 81 states have (on average 1.691358024691358) internal successors, (137), 105 states have internal predecessors, (137), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) [2024-11-12 16:42:51,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:42:51,423 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:51,423 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:51,423 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:51,427 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:51,427 INFO L85 PathProgramCache]: Analyzing trace with hash 1889192987, now seen corresponding path program 1 times [2024-11-12 16:42:51,435 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 16:42:51,435 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [178873991] [2024-11-12 16:42:51,436 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:51,436 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:51,436 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 16:42:51,439 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 16:42:51,439 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Waiting until timeout for monitored process [2024-11-12 16:42:51,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:51,500 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 1 conjuncts are in the unsatisfiable core [2024-11-12 16:42:51,502 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:51,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:51,517 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:51,517 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 16:42:51,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [178873991] [2024-11-12 16:42:51,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [178873991] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:51,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:51,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-11-12 16:42:51,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694747751] [2024-11-12 16:42:51,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:51,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 2 states [2024-11-12 16:42:51,523 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 16:42:51,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2024-11-12 16:42:51,542 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 16:42:51,544 INFO L87 Difference]: Start difference. First operand has 115 states, 81 states have (on average 1.691358024691358) internal successors, (137), 105 states have internal predecessors, (137), 9 states have call successors, (9), 2 states have call predecessors, (9), 2 states have return successors, (9), 9 states have call predecessors, (9), 9 states have call successors, (9) Second operand has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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) [2024-11-12 16:42:51,566 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:51,566 INFO L93 Difference]: Finished difference Result 217 states and 314 transitions. [2024-11-12 16:42:51,567 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2024-11-12 16:42:51,568 INFO L78 Accepts]: Start accepts. Automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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 [2024-11-12 16:42:51,568 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:51,573 INFO L225 Difference]: With dead ends: 217 [2024-11-12 16:42:51,574 INFO L226 Difference]: Without dead ends: 77 [2024-11-12 16:42:51,577 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2024-11-12 16:42:51,581 INFO L435 NwaCegarLoop]: 140 mSDtfsCounter, 0 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 0 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 140 SdHoareTripleChecker+Invalid, 0 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 0 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:51,581 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 0 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:51,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 77 states. [2024-11-12 16:42:51,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 77 to 77. [2024-11-12 16:42:51,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 77 states, 56 states have (on average 1.4285714285714286) internal successors, (80), 68 states have internal predecessors, (80), 6 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:51,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 77 states and 92 transitions. [2024-11-12 16:42:51,614 INFO L78 Accepts]: Start accepts. Automaton has 77 states and 92 transitions. Word has length 9 [2024-11-12 16:42:51,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:51,614 INFO L471 AbstractCegarLoop]: Abstraction has 77 states and 92 transitions. [2024-11-12 16:42:51,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 2 states, 1 states have (on average 8.0) internal successors, (8), 2 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) [2024-11-12 16:42:51,615 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 92 transitions. [2024-11-12 16:42:51,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:42:51,615 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:51,615 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:51,618 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (2)] Forceful destruction successful, exit code 0 [2024-11-12 16:42:51,816 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:51,816 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:51,817 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:51,817 INFO L85 PathProgramCache]: Analyzing trace with hash 1888251721, now seen corresponding path program 1 times [2024-11-12 16:42:51,817 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 16:42:51,817 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [82441405] [2024-11-12 16:42:51,817 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:51,817 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:51,817 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 16:42:51,818 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 16:42:51,819 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Waiting until timeout for monitored process [2024-11-12 16:42:51,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:51,848 INFO L256 TraceCheckSpWp]: Trace formula consists of 24 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:42:51,849 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:51,883 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:51,883 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:51,884 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 16:42:51,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [82441405] [2024-11-12 16:42:51,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [82441405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:51,884 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:51,884 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:42:51,884 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167694425] [2024-11-12 16:42:51,886 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:51,887 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:42:51,887 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 16:42:51,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:42:51,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:42:51,888 INFO L87 Difference]: Start difference. First operand 77 states and 92 transitions. Second operand has 4 states, 4 states have (on average 2.0) 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) [2024-11-12 16:42:51,940 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:51,940 INFO L93 Difference]: Finished difference Result 156 states and 186 transitions. [2024-11-12 16:42:51,941 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:42:51,941 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.0) 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 [2024-11-12 16:42:51,941 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:51,942 INFO L225 Difference]: With dead ends: 156 [2024-11-12 16:42:51,942 INFO L226 Difference]: Without dead ends: 82 [2024-11-12 16:42:51,943 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:51,949 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 4 mSDsluCounter, 165 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 254 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 [2024-11-12 16:42:51,950 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 254 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:51,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2024-11-12 16:42:51,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 82. [2024-11-12 16:42:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 82 states, 60 states have (on average 1.4) internal successors, (84), 72 states have internal predecessors, (84), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 82 states and 96 transitions. [2024-11-12 16:42:51,958 INFO L78 Accepts]: Start accepts. Automaton has 82 states and 96 transitions. Word has length 9 [2024-11-12 16:42:51,958 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:51,959 INFO L471 AbstractCegarLoop]: Abstraction has 82 states and 96 transitions. [2024-11-12 16:42:51,959 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.0) 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) [2024-11-12 16:42:51,959 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 96 transitions. [2024-11-12 16:42:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 16:42:51,959 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:51,959 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:51,962 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (3)] Ended with exit code 0 [2024-11-12 16:42:52,160 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:52,160 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:52,162 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:52,162 INFO L85 PathProgramCache]: Analyzing trace with hash 387457081, now seen corresponding path program 1 times [2024-11-12 16:42:52,162 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 16:42:52,162 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1568243224] [2024-11-12 16:42:52,162 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:52,163 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:52,163 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 16:42:52,164 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 16:42:52,165 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Waiting until timeout for monitored process [2024-11-12 16:42:52,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:52,188 INFO L256 TraceCheckSpWp]: Trace formula consists of 36 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 16:42:52,189 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:52,194 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:42:52,194 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:52,194 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 16:42:52,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1568243224] [2024-11-12 16:42:52,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1568243224] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:52,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:52,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:42:52,197 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1135567670] [2024-11-12 16:42:52,197 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:52,197 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:52,198 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 16:42:52,199 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:52,199 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:52,199 INFO L87 Difference]: Start difference. First operand 82 states and 96 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:52,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:52,236 INFO L93 Difference]: Finished difference Result 82 states and 96 transitions. [2024-11-12 16:42:52,236 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:52,237 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 16 [2024-11-12 16:42:52,237 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:52,237 INFO L225 Difference]: With dead ends: 82 [2024-11-12 16:42:52,238 INFO L226 Difference]: Without dead ends: 81 [2024-11-12 16:42:52,238 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:52,239 INFO L435 NwaCegarLoop]: 89 mSDtfsCounter, 1 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:52,239 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 161 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:52,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-12 16:42:52,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-12 16:42:52,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 60 states have (on average 1.3833333333333333) internal successors, (83), 71 states have internal predecessors, (83), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:52,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 95 transitions. [2024-11-12 16:42:52,248 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 95 transitions. Word has length 16 [2024-11-12 16:42:52,257 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:52,257 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 95 transitions. [2024-11-12 16:42:52,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:52,257 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 95 transitions. [2024-11-12 16:42:52,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-12 16:42:52,258 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:52,258 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:52,261 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (4)] Forceful destruction successful, exit code 0 [2024-11-12 16:42:52,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:52,461 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:52,465 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:52,465 INFO L85 PathProgramCache]: Analyzing trace with hash -428450015, now seen corresponding path program 1 times [2024-11-12 16:42:52,465 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 16:42:52,465 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1549639141] [2024-11-12 16:42:52,465 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:52,465 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:52,466 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 16:42:52,468 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 16:42:52,469 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Waiting until timeout for monitored process [2024-11-12 16:42:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:52,507 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-12 16:42:52,508 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:52,520 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:42:52,520 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:52,520 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 16:42:52,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1549639141] [2024-11-12 16:42:52,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1549639141] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:52,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:52,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:42:52,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [814450633] [2024-11-12 16:42:52,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:52,521 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:42:52,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 16:42:52,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:42:52,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:52,522 INFO L87 Difference]: Start difference. First operand 81 states and 95 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:52,550 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:52,551 INFO L93 Difference]: Finished difference Result 81 states and 95 transitions. [2024-11-12 16:42:52,551 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:42:52,551 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-12 16:42:52,551 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:52,552 INFO L225 Difference]: With dead ends: 81 [2024-11-12 16:42:52,552 INFO L226 Difference]: Without dead ends: 80 [2024-11-12 16:42:52,552 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:42:52,553 INFO L435 NwaCegarLoop]: 88 mSDtfsCounter, 0 mSDsluCounter, 72 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:52,553 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 160 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:42:52,553 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-12 16:42:52,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-11-12 16:42:52,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 60 states have (on average 1.3666666666666667) internal successors, (82), 70 states have internal predecessors, (82), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:52,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 94 transitions. [2024-11-12 16:42:52,558 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 94 transitions. Word has length 18 [2024-11-12 16:42:52,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:52,558 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 94 transitions. [2024-11-12 16:42:52,559 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:52,559 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 94 transitions. [2024-11-12 16:42:52,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-12 16:42:52,559 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:52,559 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:52,563 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (5)] Ended with exit code 0 [2024-11-12 16:42:52,759 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:52,760 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:52,760 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:52,760 INFO L85 PathProgramCache]: Analyzing trace with hash -428382489, now seen corresponding path program 1 times [2024-11-12 16:42:52,760 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 16:42:52,760 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [1263566204] [2024-11-12 16:42:52,760 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:52,760 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:52,761 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 16:42:52,763 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 16:42:52,764 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Waiting until timeout for monitored process [2024-11-12 16:42:52,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:42:52,784 INFO L256 TraceCheckSpWp]: Trace formula consists of 38 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:42:52,785 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:42:52,832 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:42:52,832 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:42:52,833 INFO L136 FreeRefinementEngine]: Strategy WOLF found an infeasible trace [2024-11-12 16:42:52,833 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleMathsat [1263566204] [2024-11-12 16:42:52,833 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleMathsat [1263566204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:42:52,833 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:42:52,833 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-12 16:42:52,833 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [618384359] [2024-11-12 16:42:52,833 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:42:52,833 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:42:52,833 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy WOLF [2024-11-12 16:42:52,834 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:42:52,834 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:42:52,834 INFO L87 Difference]: Start difference. First operand 80 states and 94 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:53,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:42:53,047 INFO L93 Difference]: Finished difference Result 101 states and 120 transitions. [2024-11-12 16:42:53,051 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:42:53,051 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 18 [2024-11-12 16:42:53,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:42:53,053 INFO L225 Difference]: With dead ends: 101 [2024-11-12 16:42:53,053 INFO L226 Difference]: Without dead ends: 98 [2024-11-12 16:42:53,053 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:42:53,054 INFO L435 NwaCegarLoop]: 72 mSDtfsCounter, 65 mSDsluCounter, 118 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 65 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 16:42:53,054 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [65 Valid, 190 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 16:42:53,055 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-12 16:42:53,061 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 87. [2024-11-12 16:42:53,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 67 states have (on average 1.3432835820895523) internal successors, (90), 77 states have internal predecessors, (90), 6 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-12 16:42:53,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 102 transitions. [2024-11-12 16:42:53,062 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 102 transitions. Word has length 18 [2024-11-12 16:42:53,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:42:53,062 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 102 transitions. [2024-11-12 16:42:53,065 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 3 states have internal predecessors, (15), 1 states have call successors, (2), 2 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-12 16:42:53,067 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 102 transitions. [2024-11-12 16:42:53,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-12 16:42:53,067 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:42:53,067 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:42:53,073 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (6)] Ended with exit code 0 [2024-11-12 16:42:53,270 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:53,271 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 19 more)] === [2024-11-12 16:42:53,272 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:42:53,272 INFO L85 PathProgramCache]: Analyzing trace with hash -1594791038, now seen corresponding path program 1 times [2024-11-12 16:42:53,272 INFO L118 FreeRefinementEngine]: Executing refinement strategy WOLF [2024-11-12 16:42:53,272 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleMathsat [924562399] [2024-11-12 16:42:53,272 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:42:53,272 INFO L173 SolverBuilder]: Constructing external solver with command: mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:53,272 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat [2024-11-12 16:42:53,274 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (exit command is (exit), workingDir is null) [2024-11-12 16:42:53,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Waiting until timeout for monitored process [2024-11-12 16:42:53,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:42:53,302 INFO L357 TraceCheck]: Trace is feasible, we will do another trace check, this time with branch encoders. [2024-11-12 16:42:53,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2024-11-12 16:42:53,346 INFO L130 FreeRefinementEngine]: Strategy WOLF found a feasible trace [2024-11-12 16:42:53,349 INFO L339 BasicCegarLoop]: Counterexample is feasible [2024-11-12 16:42:53,350 INFO L782 garLoopResultBuilder]: Registering result UNSAFE for location base2fltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (21 of 22 remaining) [2024-11-12 16:42:53,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (20 of 22 remaining) [2024-11-12 16:42:53,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (19 of 22 remaining) [2024-11-12 16:42:53,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (18 of 22 remaining) [2024-11-12 16:42:53,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 22 remaining) [2024-11-12 16:42:53,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 22 remaining) [2024-11-12 16:42:53,352 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location base2fltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 22 remaining) [2024-11-12 16:42:53,353 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 22 remaining) [2024-11-12 16:42:53,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 22 remaining) [2024-11-12 16:42:53,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 22 remaining) [2024-11-12 16:42:53,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 22 remaining) [2024-11-12 16:42:53,354 INFO L782 garLoopResultBuilder]: Registering result UNKNOWN for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 22 remaining) [2024-11-12 16:42:53,360 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 (7)] Forceful destruction successful, exit code 0 [2024-11-12 16:42:53,556 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/mathsat -theory.fp.to_bv_overflow_mode=1 -theory.fp.minmax_zero_mode=4 -theory.bv.div_by_zero_mode=1 -unsat_core_generation=3 [2024-11-12 16:42:53,564 INFO L421 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1] [2024-11-12 16:42:53,606 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-12 16:42:53,608 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 12.11 04:42:53 BoogieIcfgContainer [2024-11-12 16:42:53,608 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-12 16:42:53,609 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-12 16:42:53,609 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-12 16:42:53,609 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-12 16:42:53,609 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:42:51" (3/4) ... [2024-11-12 16:42:53,610 INFO L136 WitnessPrinter]: Generating witness for reachability counterexample [2024-11-12 16:42:53,650 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-12 16:42:53,652 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-12 16:42:53,652 INFO L158 Benchmark]: Toolchain (without parser) took 3221.79ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 28.8MB in the beginning and 61.6MB in the end (delta: -32.8MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:53,652 INFO L158 Benchmark]: CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:53,652 INFO L158 Benchmark]: CACSL2BoogieTranslator took 330.09ms. Allocated memory is still 65.0MB. Free memory was 28.6MB in the beginning and 31.7MB in the end (delta: -3.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. [2024-11-12 16:42:53,653 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.12ms. Allocated memory is still 65.0MB. Free memory was 31.5MB in the beginning and 29.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:42:53,653 INFO L158 Benchmark]: Boogie Preprocessor took 55.91ms. Allocated memory is still 65.0MB. Free memory was 29.6MB in the beginning and 26.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-12 16:42:53,653 INFO L158 Benchmark]: RCFGBuilder took 478.91ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 26.9MB in the beginning and 46.5MB in the end (delta: -19.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-12 16:42:53,653 INFO L158 Benchmark]: TraceAbstraction took 2268.05ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 63.6MB in the end (delta: -17.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. [2024-11-12 16:42:53,653 INFO L158 Benchmark]: Witness Printer took 42.83ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-12 16:42:53,654 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19ms. Allocated memory is still 65.0MB. Free memory was 39.7MB in the beginning and 39.7MB in the end (delta: 73.4kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 330.09ms. Allocated memory is still 65.0MB. Free memory was 28.6MB in the beginning and 31.7MB in the end (delta: -3.2MB). Peak memory consumption was 5.2MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.12ms. Allocated memory is still 65.0MB. Free memory was 31.5MB in the beginning and 29.6MB in the end (delta: 1.9MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 55.91ms. Allocated memory is still 65.0MB. Free memory was 29.6MB in the beginning and 26.9MB in the end (delta: 2.7MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 478.91ms. Allocated memory was 65.0MB in the beginning and 88.1MB in the end (delta: 23.1MB). Free memory was 26.9MB in the beginning and 46.5MB in the end (delta: -19.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 2268.05ms. Allocated memory is still 88.1MB. Free memory was 46.1MB in the beginning and 63.6MB in the end (delta: -17.5MB). Peak memory consumption was 15.3MB. Max. memory is 16.1GB. * Witness Printer took 42.83ms. Allocated memory is still 88.1MB. Free memory was 63.6MB in the beginning and 61.6MB in the end (delta: 2.1MB). There was no memory consumed. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - CounterExampleResult [Line: 77]: integer overflow possible integer overflow possible We found a FailurePath: [L226] unsigned int a ; [L227] unsigned int ma = __VERIFIER_nondet_uint(); [L228] signed char ea = __VERIFIER_nondet_char(); [L229] unsigned int b ; [L230] unsigned int mb = __VERIFIER_nondet_uint(); [L231] signed char eb = __VERIFIER_nondet_char(); [L232] unsigned int r_add ; [L233] unsigned int zero ; [L234] int sa ; [L235] int sb ; [L236] int tmp ; [L237] int tmp___0 ; [L238] int tmp___1 ; [L239] int tmp___2 ; [L240] int tmp___3 ; [L241] int tmp___4 ; [L242] int tmp___5 ; [L243] int tmp___6 ; [L244] int tmp___7 ; [L245] int tmp___8 ; [L246] int tmp___9 ; [L247] int __retres23 ; [L251] CALL, EXPR base2flt(0, 0) VAL [\old(e)=0, \old(m)=0] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=0, e=0, m=0] [L29] COND TRUE ! m [L30] __retres4 = 0U VAL [\old(e)=0, \old(m)=0, __retres4=0, e=0] [L80] return (__retres4); VAL [\old(e)=0, \old(m)=0, \result=0, e=0] [L251] RET, EXPR base2flt(0, 0) [L251] zero = base2flt(0, 0) [L252] CALL base2flt(ma, ea) VAL [\old(e)=0, \old(m)=16777216] [L25] unsigned int res ; [L26] unsigned int __retres4 ; VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L29] COND FALSE !(! m) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L35] COND FALSE !(m < 1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L57] COND TRUE 1 VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L59] COND FALSE !(m >= 1U << 25U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=16777216] [L76] m = m & ~ (1U << 24U) VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] EXPR e + 128 VAL [\old(e)=0, \old(m)=16777216, e=0, m=0] [L77] (e + 128) << 24U VAL [\old(e)=0, \old(m)=16777216, m=0] - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 45]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 70]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 77]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 109]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 112]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 115]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 133]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - UnprovableResult [Line: 141]: Unable to prove that integer overflow can never occur Unable to prove that integer overflow can never occur Reason: Not analyzed. - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 115 locations, 22 error locations. Started 1 CEGAR loops. OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 2, PathProgramHistogramMax: 1, EmptinessCheckTime: 0.0s, AutomataDifference: 0.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 70 SdHoareTripleChecker+Valid, 0.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 70 mSDsluCounter, 905 SdHoareTripleChecker+Invalid, 0.2s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 427 mSDsCounter, 4 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 99 IncrementalHoareTripleChecker+Invalid, 103 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 4 mSolverCounterUnsat, 478 mSDtfsCounter, 99 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 68 GetRequests, 60 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=115occurred in iteration=0, InterpolantAutomatonStates: 16, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 11 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.1s InterpolantComputationTime, 91 NumberOfCodeBlocks, 91 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 65 ConstructedInterpolants, 8 QuantifiedInterpolants, 110 SizeOfPredicates, 2 NumberOfNonLiveVariables, 160 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 6/6 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be incorrect! [2024-11-12 16:42:53,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Writing human readable error path to file UltimateCounterExample.errorpath Result: FALSE(OVERFLOW)