./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc 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_4-2a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:04:26,012 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:04:26,083 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:04:26,089 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:04:26,089 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:04:26,125 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:04:26,126 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:04:26,127 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:04:26,127 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:04:26,128 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:04:26,129 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:04:26,129 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:04:26,129 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:04:26,130 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:04:26,131 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:04:26,132 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:04:26,132 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:04:26,132 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:04:26,133 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:04:26,133 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:04:26,137 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:04:26,137 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:04:26,137 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:04:26,138 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:04:26,138 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:04:26,138 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:04:26,138 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:04:26,139 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:04:26,139 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:04:26,139 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:04:26,139 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:04:26,139 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:04:26,140 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:04:26,140 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:04:26,140 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:04:26,140 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:04:26,140 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:04:26,141 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:04:26,141 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:04:26,141 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:04:26,141 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:04:26,142 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:04:26,142 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:04:26,142 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:04:26,142 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 2abfa4882ab8ec6bd7a33a5fbeaa8a88ba40a897019218fc162e52833c89454b [2024-11-19 10:04:26,424 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:04:26,450 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:04:26,454 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:04:26,455 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:04:26,455 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:04:26,457 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2024-11-19 10:04:27,914 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:04:28,108 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:04:28,109 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_4-2a.c.cil.c [2024-11-19 10:04:28,117 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f06894f0/e8ebfb5f95a345f98d4da1df42a278af/FLAGb8d4f1278 [2024-11-19 10:04:28,133 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/8f06894f0/e8ebfb5f95a345f98d4da1df42a278af [2024-11-19 10:04:28,135 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:04:28,137 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:04:28,138 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:04:28,139 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:04:28,146 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:04:28,147 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,148 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4c2ad073 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28, skipping insertion in model container [2024-11-19 10:04:28,148 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,173 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:04:28,425 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:04:28,433 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:04:28,473 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:04:28,497 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:04:28,498 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28 WrapperNode [2024-11-19 10:04:28,501 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:04:28,502 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:04:28,503 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:04:28,503 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:04:28,510 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,523 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,543 INFO L138 Inliner]: procedures = 17, calls = 18, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 63 [2024-11-19 10:04:28,544 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:04:28,545 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:04:28,545 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:04:28,545 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:04:28,554 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,554 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,560 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,577 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]. [2024-11-19 10:04:28,577 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,578 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,584 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,589 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,590 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,591 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,594 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:04:28,594 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:04:28,595 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:04:28,595 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:04:28,595 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (1/1) ... [2024-11-19 10:04:28,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:04:28,616 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:28,632 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) [2024-11-19 10:04:28,636 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 [2024-11-19 10:04:28,704 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:04:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:04:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-19 10:04:28,707 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-19 10:04:28,707 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:04:28,708 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:04:28,708 INFO L130 BoogieDeclarations]: Found specification of procedure addflt [2024-11-19 10:04:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure addflt [2024-11-19 10:04:28,711 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-19 10:04:28,711 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-19 10:04:28,851 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:04:28,853 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:04:29,175 INFO L? ?]: Removed 66 outVars from TransFormulas that were not future-live. [2024-11-19 10:04:29,175 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:04:29,197 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:04:29,199 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-19 10:04:29,201 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:29 BoogieIcfgContainer [2024-11-19 10:04:29,201 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:04:29,203 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:04:29,203 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:04:29,206 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:04:29,206 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:04:28" (1/3) ... [2024-11-19 10:04:29,207 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b366ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:04:29, skipping insertion in model container [2024-11-19 10:04:29,207 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:04:28" (2/3) ... [2024-11-19 10:04:29,208 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@b366ef9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:04:29, skipping insertion in model container [2024-11-19 10:04:29,208 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:29" (3/3) ... [2024-11-19 10:04:29,209 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_4-2a.c.cil.c [2024-11-19 10:04:29,221 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:04:29,221 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-19 10:04:29,276 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:04:29,282 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;@29d4bd81, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:04:29,282 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-19 10:04:29,286 INFO L276 IsEmpty]: Start isEmpty. Operand has 109 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 97 states have internal predecessors, (129), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) [2024-11-19 10:04:29,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:04:29,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:29,292 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:29,293 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:29,297 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:29,298 INFO L85 PathProgramCache]: Analyzing trace with hash 1722265106, now seen corresponding path program 1 times [2024-11-19 10:04:29,307 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:29,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1042422519] [2024-11-19 10:04:29,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:29,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:29,541 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:29,542 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:29,542 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1042422519] [2024-11-19 10:04:29,543 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1042422519] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:29,543 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:29,543 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:04:29,546 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1103296487] [2024-11-19 10:04:29,546 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:29,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:04:29,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:29,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:04:29,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:04:29,579 INFO L87 Difference]: Start difference. First operand has 109 states, 81 states have (on average 1.5925925925925926) internal successors, (129), 97 states have internal predecessors, (129), 8 states have call successors, (8), 3 states have call predecessors, (8), 3 states have return successors, (8), 8 states have call predecessors, (8), 8 states have call successors, (8) 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) [2024-11-19 10:04:29,716 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:29,717 INFO L93 Difference]: Finished difference Result 263 states and 376 transitions. [2024-11-19 10:04:29,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:04:29,719 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 [2024-11-19 10:04:29,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:29,727 INFO L225 Difference]: With dead ends: 263 [2024-11-19 10:04:29,727 INFO L226 Difference]: Without dead ends: 147 [2024-11-19 10:04:29,730 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:04:29,733 INFO L432 NwaCegarLoop]: 118 mSDtfsCounter, 85 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 356 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:29,734 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 356 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:29,748 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-11-19 10:04:29,771 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 137. [2024-11-19 10:04:29,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 137 states, 114 states have (on average 1.4736842105263157) internal successors, (168), 126 states have internal predecessors, (168), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:29,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 137 states to 137 states and 181 transitions. [2024-11-19 10:04:29,778 INFO L78 Accepts]: Start accepts. Automaton has 137 states and 181 transitions. Word has length 9 [2024-11-19 10:04:29,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:29,778 INFO L471 AbstractCegarLoop]: Abstraction has 137 states and 181 transitions. [2024-11-19 10:04:29,779 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) [2024-11-19 10:04:29,779 INFO L276 IsEmpty]: Start isEmpty. Operand 137 states and 181 transitions. [2024-11-19 10:04:29,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:04:29,781 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:29,781 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:29,781 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:04:29,781 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:29,782 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:29,782 INFO L85 PathProgramCache]: Analyzing trace with hash -1225967314, now seen corresponding path program 1 times [2024-11-19 10:04:29,782 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:29,782 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [212489178] [2024-11-19 10:04:29,783 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:29,783 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:29,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:29,844 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:29,845 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:29,845 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [212489178] [2024-11-19 10:04:29,845 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [212489178] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:29,845 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:29,845 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:04:29,846 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976234153] [2024-11-19 10:04:29,846 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:29,847 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:29,851 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:29,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:29,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:29,852 INFO L87 Difference]: Start difference. First operand 137 states and 181 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) [2024-11-19 10:04:29,915 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:29,916 INFO L93 Difference]: Finished difference Result 257 states and 338 transitions. [2024-11-19 10:04:29,916 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:29,917 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 [2024-11-19 10:04:29,917 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:29,918 INFO L225 Difference]: With dead ends: 257 [2024-11-19 10:04:29,918 INFO L226 Difference]: Without dead ends: 151 [2024-11-19 10:04:29,919 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:29,921 INFO L432 NwaCegarLoop]: 117 mSDtfsCounter, 12 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 213 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 [2024-11-19 10:04:29,921 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 213 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:29,922 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 151 states. [2024-11-19 10:04:29,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 151 to 141. [2024-11-19 10:04:29,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 118 states have (on average 1.4576271186440677) internal successors, (172), 130 states have internal predecessors, (172), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:29,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 185 transitions. [2024-11-19 10:04:29,939 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 185 transitions. Word has length 14 [2024-11-19 10:04:29,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:29,940 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 185 transitions. [2024-11-19 10:04:29,940 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) [2024-11-19 10:04:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 185 transitions. [2024-11-19 10:04:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-19 10:04:29,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:29,941 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:29,942 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:04:29,942 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:29,942 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:29,943 INFO L85 PathProgramCache]: Analyzing trace with hash -1226078660, now seen corresponding path program 1 times [2024-11-19 10:04:29,943 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:29,943 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1099703268] [2024-11-19 10:04:29,943 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:29,944 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:29,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:30,015 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:04:30,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:30,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1099703268] [2024-11-19 10:04:30,017 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1099703268] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:30,018 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:30,018 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:04:30,018 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627728794] [2024-11-19 10:04:30,018 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:30,019 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:30,019 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:30,019 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:30,019 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:30,020 INFO L87 Difference]: Start difference. First operand 141 states and 185 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) [2024-11-19 10:04:30,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:30,078 INFO L93 Difference]: Finished difference Result 141 states and 185 transitions. [2024-11-19 10:04:30,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:30,079 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 [2024-11-19 10:04:30,079 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:30,080 INFO L225 Difference]: With dead ends: 141 [2024-11-19 10:04:30,081 INFO L226 Difference]: Without dead ends: 140 [2024-11-19 10:04:30,081 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:30,086 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 1 mSDsluCounter, 97 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 212 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:30,087 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 212 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:30,088 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-19 10:04:30,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 140. [2024-11-19 10:04:30,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 140 states, 118 states have (on average 1.4406779661016949) internal successors, (170), 129 states have internal predecessors, (170), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:30,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 140 states to 140 states and 183 transitions. [2024-11-19 10:04:30,107 INFO L78 Accepts]: Start accepts. Automaton has 140 states and 183 transitions. Word has length 14 [2024-11-19 10:04:30,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:30,108 INFO L471 AbstractCegarLoop]: Abstraction has 140 states and 183 transitions. [2024-11-19 10:04:30,108 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) [2024-11-19 10:04:30,112 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 183 transitions. [2024-11-19 10:04:30,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:04:30,113 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:30,113 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:30,114 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:04:30,114 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:30,114 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:30,114 INFO L85 PathProgramCache]: Analyzing trace with hash -969004672, now seen corresponding path program 1 times [2024-11-19 10:04:30,115 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:30,115 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1817500544] [2024-11-19 10:04:30,115 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:30,115 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:30,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:30,233 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:30,233 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:30,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1817500544] [2024-11-19 10:04:30,234 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1817500544] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:30,234 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [739085024] [2024-11-19 10:04:30,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:30,235 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:30,235 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:30,237 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) [2024-11-19 10:04:30,239 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:04:30,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:30,300 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:04:30,304 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:30,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:30,386 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:30,386 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [739085024] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:30,386 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:30,386 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-19 10:04:30,387 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285830434] [2024-11-19 10:04:30,387 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:30,388 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:04:30,388 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:30,388 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:04:30,389 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:04:30,389 INFO L87 Difference]: Start difference. First operand 140 states and 183 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) [2024-11-19 10:04:30,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:30,472 INFO L93 Difference]: Finished difference Result 173 states and 233 transitions. [2024-11-19 10:04:30,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:04:30,473 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 [2024-11-19 10:04:30,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:30,475 INFO L225 Difference]: With dead ends: 173 [2024-11-19 10:04:30,475 INFO L226 Difference]: Without dead ends: 171 [2024-11-19 10:04:30,475 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:04:30,479 INFO L432 NwaCegarLoop]: 123 mSDtfsCounter, 28 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:30,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 225 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:30,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 171 states. [2024-11-19 10:04:30,497 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 171 to 147. [2024-11-19 10:04:30,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 147 states, 125 states have (on average 1.416) internal successors, (177), 136 states have internal predecessors, (177), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:30,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 147 states to 147 states and 190 transitions. [2024-11-19 10:04:30,504 INFO L78 Accepts]: Start accepts. Automaton has 147 states and 190 transitions. Word has length 15 [2024-11-19 10:04:30,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:30,504 INFO L471 AbstractCegarLoop]: Abstraction has 147 states and 190 transitions. [2024-11-19 10:04:30,505 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) [2024-11-19 10:04:30,505 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 190 transitions. [2024-11-19 10:04:30,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-19 10:04:30,507 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:30,507 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:30,525 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:04:30,707 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 [2024-11-19 10:04:30,708 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:30,709 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:30,709 INFO L85 PathProgramCache]: Analyzing trace with hash 646267261, now seen corresponding path program 1 times [2024-11-19 10:04:30,709 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:30,709 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [249739564] [2024-11-19 10:04:30,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:30,710 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:30,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:30,810 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:30,810 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:30,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [249739564] [2024-11-19 10:04:30,811 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [249739564] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:30,811 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [62408604] [2024-11-19 10:04:30,811 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:30,812 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:30,812 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:30,814 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) [2024-11-19 10:04:30,818 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:04:30,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:30,863 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:04:30,864 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:30,888 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:30,888 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:30,889 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [62408604] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:30,889 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:30,889 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-19 10:04:30,889 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [791387498] [2024-11-19 10:04:30,890 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:30,890 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:30,891 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:30,892 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:30,892 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:30,892 INFO L87 Difference]: Start difference. First operand 147 states and 190 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) [2024-11-19 10:04:30,939 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:30,939 INFO L93 Difference]: Finished difference Result 153 states and 198 transitions. [2024-11-19 10:04:30,940 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:30,940 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 [2024-11-19 10:04:30,940 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:30,941 INFO L225 Difference]: With dead ends: 153 [2024-11-19 10:04:30,942 INFO L226 Difference]: Without dead ends: 152 [2024-11-19 10:04:30,943 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:30,943 INFO L432 NwaCegarLoop]: 115 mSDtfsCounter, 14 mSDsluCounter, 94 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 209 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:30,945 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 209 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:30,946 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-19 10:04:30,958 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 149. [2024-11-19 10:04:30,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 149 states, 127 states have (on average 1.4094488188976377) internal successors, (179), 138 states have internal predecessors, (179), 7 states have call successors, (7), 4 states have call predecessors, (7), 4 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:30,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 149 states to 149 states and 192 transitions. [2024-11-19 10:04:30,963 INFO L78 Accepts]: Start accepts. Automaton has 149 states and 192 transitions. Word has length 15 [2024-11-19 10:04:30,963 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:30,963 INFO L471 AbstractCegarLoop]: Abstraction has 149 states and 192 transitions. [2024-11-19 10:04:30,963 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) [2024-11-19 10:04:30,963 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 192 transitions. [2024-11-19 10:04:30,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:04:30,964 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:30,964 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:30,984 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:31,164 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 [2024-11-19 10:04:31,165 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:31,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:31,165 INFO L85 PathProgramCache]: Analyzing trace with hash -842943450, now seen corresponding path program 1 times [2024-11-19 10:04:31,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:31,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [613114510] [2024-11-19 10:04:31,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:31,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:31,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:31,218 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:31,219 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:31,219 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [613114510] [2024-11-19 10:04:31,219 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [613114510] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:31,219 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:31,219 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:04:31,219 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1396017393] [2024-11-19 10:04:31,219 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:31,220 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:04:31,220 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:31,221 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:04:31,221 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:04:31,221 INFO L87 Difference]: Start difference. First operand 149 states and 192 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) [2024-11-19 10:04:31,321 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:31,322 INFO L93 Difference]: Finished difference Result 216 states and 280 transitions. [2024-11-19 10:04:31,322 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:04:31,323 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 [2024-11-19 10:04:31,323 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:31,325 INFO L225 Difference]: With dead ends: 216 [2024-11-19 10:04:31,327 INFO L226 Difference]: Without dead ends: 214 [2024-11-19 10:04:31,327 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:31,328 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 76 mSDsluCounter, 297 mSDsCounter, 0 mSdLazyCounter, 71 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 80 SdHoareTripleChecker+Valid, 397 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 71 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:31,328 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [80 Valid, 397 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 71 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:31,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-19 10:04:31,347 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 182. [2024-11-19 10:04:31,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 159 states have (on average 1.421383647798742) internal successors, (226), 170 states have internal predecessors, (226), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:31,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 239 transitions. [2024-11-19 10:04:31,350 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 239 transitions. Word has length 17 [2024-11-19 10:04:31,351 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:31,351 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 239 transitions. [2024-11-19 10:04:31,351 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) [2024-11-19 10:04:31,351 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 239 transitions. [2024-11-19 10:04:31,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:04:31,352 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:31,352 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:31,352 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:04:31,352 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:31,354 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:31,354 INFO L85 PathProgramCache]: Analyzing trace with hash -871570806, now seen corresponding path program 1 times [2024-11-19 10:04:31,355 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:31,355 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [725614646] [2024-11-19 10:04:31,355 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:31,355 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:31,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:31,419 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:31,419 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:31,419 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [725614646] [2024-11-19 10:04:31,419 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [725614646] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:31,420 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:31,420 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:04:31,420 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1625178633] [2024-11-19 10:04:31,420 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:31,420 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:04:31,420 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:31,421 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:04:31,421 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:04:31,421 INFO L87 Difference]: Start difference. First operand 182 states and 239 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) [2024-11-19 10:04:31,509 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:31,511 INFO L93 Difference]: Finished difference Result 208 states and 271 transitions. [2024-11-19 10:04:31,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:04:31,512 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 [2024-11-19 10:04:31,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:31,513 INFO L225 Difference]: With dead ends: 208 [2024-11-19 10:04:31,513 INFO L226 Difference]: Without dead ends: 205 [2024-11-19 10:04:31,513 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:31,514 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 78 mSDsluCounter, 295 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 394 SdHoareTripleChecker+Invalid, 71 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:31,514 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 394 Invalid, 71 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:31,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-11-19 10:04:31,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 185. [2024-11-19 10:04:31,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 163 states have (on average 1.392638036809816) internal successors, (227), 173 states have internal predecessors, (227), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:31,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 240 transitions. [2024-11-19 10:04:31,533 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 240 transitions. Word has length 17 [2024-11-19 10:04:31,534 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:31,534 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 240 transitions. [2024-11-19 10:04:31,534 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) [2024-11-19 10:04:31,534 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 240 transitions. [2024-11-19 10:04:31,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:04:31,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:31,537 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:31,537 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:04:31,537 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:31,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:31,538 INFO L85 PathProgramCache]: Analyzing trace with hash 796579244, now seen corresponding path program 1 times [2024-11-19 10:04:31,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:31,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [767665368] [2024-11-19 10:04:31,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:31,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:31,599 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:31,600 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:31,600 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [767665368] [2024-11-19 10:04:31,600 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [767665368] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:31,601 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788991489] [2024-11-19 10:04:31,601 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:31,601 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:31,601 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:31,603 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) [2024-11-19 10:04:31,613 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:04:31,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:31,658 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:04:31,659 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:31,699 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:04:31,699 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:31,700 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788991489] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:31,700 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:31,700 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-19 10:04:31,700 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689123165] [2024-11-19 10:04:31,700 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:31,700 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:04:31,700 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:31,701 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:04:31,701 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:04:31,701 INFO L87 Difference]: Start difference. First operand 185 states and 240 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) [2024-11-19 10:04:31,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:31,748 INFO L93 Difference]: Finished difference Result 201 states and 264 transitions. [2024-11-19 10:04:31,752 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:04:31,752 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 [2024-11-19 10:04:31,753 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:31,754 INFO L225 Difference]: With dead ends: 201 [2024-11-19 10:04:31,754 INFO L226 Difference]: Without dead ends: 200 [2024-11-19 10:04:31,754 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:04:31,755 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 8 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 226 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:31,755 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 226 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:31,756 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-11-19 10:04:31,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 180. [2024-11-19 10:04:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 158 states have (on average 1.3860759493670887) internal successors, (219), 168 states have internal predecessors, (219), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:31,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 232 transitions. [2024-11-19 10:04:31,768 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 232 transitions. Word has length 17 [2024-11-19 10:04:31,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:31,768 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 232 transitions. [2024-11-19 10:04:31,768 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) [2024-11-19 10:04:31,769 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 232 transitions. [2024-11-19 10:04:31,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:04:31,773 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:31,773 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:31,790 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:04:31,974 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:31,974 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:31,975 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:31,975 INFO L85 PathProgramCache]: Analyzing trace with hash 1694917281, now seen corresponding path program 1 times [2024-11-19 10:04:31,975 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:31,975 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [720408108] [2024-11-19 10:04:31,975 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:31,975 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:31,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:32,037 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:04:32,039 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:32,039 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [720408108] [2024-11-19 10:04:32,039 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [720408108] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:32,039 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:32,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:04:32,040 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469173864] [2024-11-19 10:04:32,040 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:32,040 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:04:32,040 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:32,041 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:04:32,041 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:04:32,041 INFO L87 Difference]: Start difference. First operand 180 states and 232 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:04:32,121 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:32,121 INFO L93 Difference]: Finished difference Result 198 states and 256 transitions. [2024-11-19 10:04:32,122 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:04:32,122 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 [2024-11-19 10:04:32,122 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:32,123 INFO L225 Difference]: With dead ends: 198 [2024-11-19 10:04:32,123 INFO L226 Difference]: Without dead ends: 196 [2024-11-19 10:04:32,124 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:32,124 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 75 mSDsluCounter, 292 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 389 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:32,124 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 389 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:32,125 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 196 states. [2024-11-19 10:04:32,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 196 to 171. [2024-11-19 10:04:32,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 171 states, 151 states have (on average 1.3774834437086092) internal successors, (208), 159 states have internal predecessors, (208), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:32,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 171 states to 171 states and 221 transitions. [2024-11-19 10:04:32,135 INFO L78 Accepts]: Start accepts. Automaton has 171 states and 221 transitions. Word has length 24 [2024-11-19 10:04:32,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:32,136 INFO L471 AbstractCegarLoop]: Abstraction has 171 states and 221 transitions. [2024-11-19 10:04:32,136 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) [2024-11-19 10:04:32,136 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 221 transitions. [2024-11-19 10:04:32,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:04:32,137 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:32,137 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:32,137 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-19 10:04:32,138 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:32,138 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:32,138 INFO L85 PathProgramCache]: Analyzing trace with hash 1666289925, now seen corresponding path program 1 times [2024-11-19 10:04:32,138 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:32,139 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1865091642] [2024-11-19 10:04:32,139 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:32,139 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:32,194 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-19 10:04:32,194 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:32,194 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1865091642] [2024-11-19 10:04:32,194 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1865091642] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:32,195 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:32,195 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:04:32,195 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2116663654] [2024-11-19 10:04:32,195 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:32,195 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:04:32,196 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:32,196 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:04:32,196 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:04:32,197 INFO L87 Difference]: Start difference. First operand 171 states and 221 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) [2024-11-19 10:04:32,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:32,271 INFO L93 Difference]: Finished difference Result 189 states and 245 transitions. [2024-11-19 10:04:32,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:04:32,272 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 [2024-11-19 10:04:32,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:32,273 INFO L225 Difference]: With dead ends: 189 [2024-11-19 10:04:32,274 INFO L226 Difference]: Without dead ends: 187 [2024-11-19 10:04:32,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:32,275 INFO L432 NwaCegarLoop]: 96 mSDtfsCounter, 76 mSDsluCounter, 291 mSDsCounter, 0 mSdLazyCounter, 57 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 79 SdHoareTripleChecker+Valid, 387 SdHoareTripleChecker+Invalid, 62 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 57 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:32,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [79 Valid, 387 Invalid, 62 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 57 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:32,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-19 10:04:32,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 160. [2024-11-19 10:04:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 160 states, 142 states have (on average 1.3732394366197183) internal successors, (195), 148 states have internal predecessors, (195), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 160 states and 208 transitions. [2024-11-19 10:04:32,287 INFO L78 Accepts]: Start accepts. Automaton has 160 states and 208 transitions. Word has length 24 [2024-11-19 10:04:32,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:32,287 INFO L471 AbstractCegarLoop]: Abstraction has 160 states and 208 transitions. [2024-11-19 10:04:32,287 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) [2024-11-19 10:04:32,288 INFO L276 IsEmpty]: Start isEmpty. Operand 160 states and 208 transitions. [2024-11-19 10:04:32,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-19 10:04:32,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:32,291 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:32,292 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-19 10:04:32,292 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting addfltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:32,292 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:32,293 INFO L85 PathProgramCache]: Analyzing trace with hash -444398166, now seen corresponding path program 1 times [2024-11-19 10:04:32,293 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:32,293 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1958102481] [2024-11-19 10:04:32,293 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:32,293 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:32,500 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1958102481] [2024-11-19 10:04:32,500 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1958102481] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:32,500 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [467073623] [2024-11-19 10:04:32,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:32,500 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:32,501 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:32,502 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:32,504 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:04:32,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:32,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:04:32,569 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:32,610 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:04:32,610 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:32,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [467073623] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:32,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:32,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [9] total 12 [2024-11-19 10:04:32,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794758176] [2024-11-19 10:04:32,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:32,611 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:04:32,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:32,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:04:32,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:04:32,611 INFO L87 Difference]: Start difference. First operand 160 states and 208 transitions. Second operand has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:04:32,656 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:32,656 INFO L93 Difference]: Finished difference Result 160 states and 208 transitions. [2024-11-19 10:04:32,657 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:04:32,657 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 41 [2024-11-19 10:04:32,657 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:32,658 INFO L225 Difference]: With dead ends: 160 [2024-11-19 10:04:32,658 INFO L226 Difference]: Without dead ends: 159 [2024-11-19 10:04:32,659 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=21, Invalid=111, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:04:32,659 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 1 mSDsluCounter, 293 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 399 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:32,660 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 399 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:32,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 159 states. [2024-11-19 10:04:32,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 159 to 159. [2024-11-19 10:04:32,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 142 states have (on average 1.3661971830985915) internal successors, (194), 147 states have internal predecessors, (194), 7 states have call successors, (7), 5 states have call predecessors, (7), 5 states have return successors, (6), 6 states have call predecessors, (6), 6 states have call successors, (6) [2024-11-19 10:04:32,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 207 transitions. [2024-11-19 10:04:32,668 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 207 transitions. Word has length 41 [2024-11-19 10:04:32,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:32,668 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 207 transitions. [2024-11-19 10:04:32,669 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 6.0) internal successors, (24), 4 states have internal predecessors, (24), 1 states have call successors, (5), 1 states have call predecessors, (5), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-19 10:04:32,669 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 207 transitions. [2024-11-19 10:04:32,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2024-11-19 10:04:32,669 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:32,670 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:32,687 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:32,873 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:32,874 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:32,874 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:32,875 INFO L85 PathProgramCache]: Analyzing trace with hash -891441047, now seen corresponding path program 1 times [2024-11-19 10:04:32,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:32,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [806904196] [2024-11-19 10:04:32,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:32,875 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:32,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:33,086 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:33,086 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:33,086 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [806904196] [2024-11-19 10:04:33,087 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [806904196] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:33,087 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1810612476] [2024-11-19 10:04:33,087 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:33,087 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:33,087 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:33,089 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:33,091 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:04:33,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:33,151 INFO L255 TraceCheckSpWp]: Trace formula consists of 139 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-19 10:04:33,154 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:33,185 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:33,185 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:04:33,336 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:33,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1810612476] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:04:33,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:04:33,337 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9, 9, 9] total 16 [2024-11-19 10:04:33,337 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1729462361] [2024-11-19 10:04:33,337 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:04:33,339 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:04:33,339 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:33,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:04:33,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:04:33,340 INFO L87 Difference]: Start difference. First operand 159 states and 207 transitions. Second operand has 16 states, 16 states have (on average 2.4375) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:04:33,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:33,473 INFO L93 Difference]: Finished difference Result 233 states and 299 transitions. [2024-11-19 10:04:33,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:04:33,473 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) Word has length 42 [2024-11-19 10:04:33,473 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:33,474 INFO L225 Difference]: With dead ends: 233 [2024-11-19 10:04:33,476 INFO L226 Difference]: Without dead ends: 181 [2024-11-19 10:04:33,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 95 GetRequests, 78 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 23 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=56, Invalid=286, Unknown=0, NotChecked=0, Total=342 [2024-11-19 10:04:33,477 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 9 mSDsluCounter, 1238 mSDsCounter, 0 mSdLazyCounter, 121 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 10 SdHoareTripleChecker+Valid, 1343 SdHoareTripleChecker+Invalid, 123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 121 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:33,478 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [10 Valid, 1343 Invalid, 123 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 121 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:33,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 181 states. [2024-11-19 10:04:33,487 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 181 to 172. [2024-11-19 10:04:33,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 151 states have (on average 1.3509933774834437) internal successors, (204), 157 states have internal predecessors, (204), 9 states have call successors, (9), 6 states have call predecessors, (9), 7 states have return successors, (9), 8 states have call predecessors, (9), 8 states have call successors, (9) [2024-11-19 10:04:33,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 222 transitions. [2024-11-19 10:04:33,489 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 222 transitions. Word has length 42 [2024-11-19 10:04:33,489 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:33,489 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 222 transitions. [2024-11-19 10:04:33,489 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 2.4375) internal successors, (39), 12 states have internal predecessors, (39), 4 states have call successors, (8), 4 states have call predecessors, (8), 4 states have return successors, (7), 6 states have call predecessors, (7), 4 states have call successors, (7) [2024-11-19 10:04:33,489 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 222 transitions. [2024-11-19 10:04:33,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:04:33,490 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:33,490 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:33,507 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:33,694 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 10:04:33,695 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:33,696 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:33,696 INFO L85 PathProgramCache]: Analyzing trace with hash 1885909580, now seen corresponding path program 1 times [2024-11-19 10:04:33,696 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:33,696 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411227371] [2024-11-19 10:04:33,697 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:33,697 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:33,875 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:33,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411227371] [2024-11-19 10:04:33,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411227371] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:33,875 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:33,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [] total 9 [2024-11-19 10:04:33,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1787365084] [2024-11-19 10:04:33,875 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:33,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-19 10:04:33,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:33,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-19 10:04:33,876 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=57, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:04:33,877 INFO L87 Difference]: Start difference. First operand 172 states and 222 transitions. Second operand has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:33,998 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:33,998 INFO L93 Difference]: Finished difference Result 281 states and 357 transitions. [2024-11-19 10:04:33,999 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-19 10:04:33,999 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 50 [2024-11-19 10:04:33,999 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:34,000 INFO L225 Difference]: With dead ends: 281 [2024-11-19 10:04:34,002 INFO L226 Difference]: Without dead ends: 223 [2024-11-19 10:04:34,003 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:04:34,004 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 107 mSDsluCounter, 747 mSDsCounter, 0 mSdLazyCounter, 95 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 107 SdHoareTripleChecker+Valid, 857 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 95 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:34,004 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [107 Valid, 857 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 95 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:34,005 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-19 10:04:34,021 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 215. [2024-11-19 10:04:34,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 215 states, 188 states have (on average 1.3351063829787233) internal successors, (251), 194 states have internal predecessors, (251), 14 states have call successors, (14), 7 states have call predecessors, (14), 8 states have return successors, (15), 13 states have call predecessors, (15), 12 states have call successors, (15) [2024-11-19 10:04:34,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 280 transitions. [2024-11-19 10:04:34,025 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 280 transitions. Word has length 50 [2024-11-19 10:04:34,026 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:34,026 INFO L471 AbstractCegarLoop]: Abstraction has 215 states and 280 transitions. [2024-11-19 10:04:34,026 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 3.7777777777777777) internal successors, (34), 7 states have internal predecessors, (34), 3 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:34,026 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 280 transitions. [2024-11-19 10:04:34,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-11-19 10:04:34,028 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:34,028 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:34,028 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2024-11-19 10:04:34,028 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:34,029 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:34,029 INFO L85 PathProgramCache]: Analyzing trace with hash -1777477862, now seen corresponding path program 1 times [2024-11-19 10:04:34,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:34,029 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1550279667] [2024-11-19 10:04:34,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:34,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:34,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:34,205 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:34,205 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:34,206 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1550279667] [2024-11-19 10:04:34,206 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1550279667] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:34,207 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:34,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 10:04:34,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [21298484] [2024-11-19 10:04:34,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:34,207 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:04:34,207 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:34,208 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:04:34,208 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:04:34,208 INFO L87 Difference]: Start difference. First operand 215 states and 280 transitions. Second operand has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:04:34,276 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:34,277 INFO L93 Difference]: Finished difference Result 318 states and 408 transitions. [2024-11-19 10:04:34,277 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:04:34,277 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-11-19 10:04:34,278 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:34,279 INFO L225 Difference]: With dead ends: 318 [2024-11-19 10:04:34,281 INFO L226 Difference]: Without dead ends: 230 [2024-11-19 10:04:34,281 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:04:34,282 INFO L432 NwaCegarLoop]: 106 mSDtfsCounter, 7 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 51 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 731 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 51 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:34,282 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 731 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 51 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:34,283 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 230 states. [2024-11-19 10:04:34,293 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 230 to 219. [2024-11-19 10:04:34,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 192 states have (on average 1.328125) internal successors, (255), 198 states have internal predecessors, (255), 13 states have call successors, (13), 8 states have call predecessors, (13), 9 states have return successors, (14), 12 states have call predecessors, (14), 11 states have call successors, (14) [2024-11-19 10:04:34,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 282 transitions. [2024-11-19 10:04:34,296 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 282 transitions. Word has length 46 [2024-11-19 10:04:34,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:34,296 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 282 transitions. [2024-11-19 10:04:34,296 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 4.714285714285714) internal successors, (33), 6 states have internal predecessors, (33), 3 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:04:34,296 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 282 transitions. [2024-11-19 10:04:34,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:04:34,297 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:34,297 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:34,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2024-11-19 10:04:34,298 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:34,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:34,298 INFO L85 PathProgramCache]: Analyzing trace with hash 438110288, now seen corresponding path program 1 times [2024-11-19 10:04:34,298 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:34,298 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [683838302] [2024-11-19 10:04:34,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:34,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:34,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:34,441 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:34,441 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:34,441 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [683838302] [2024-11-19 10:04:34,442 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [683838302] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:34,442 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [438915006] [2024-11-19 10:04:34,442 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:34,442 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:34,442 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:34,443 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:34,445 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:04:34,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:34,507 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:04:34,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:34,530 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:34,531 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:04:34,656 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:34,656 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [438915006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:04:34,656 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:04:34,656 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 14 [2024-11-19 10:04:34,657 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1801765071] [2024-11-19 10:04:34,657 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:04:34,657 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:04:34,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:34,658 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:04:34,658 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=151, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:04:34,658 INFO L87 Difference]: Start difference. First operand 219 states and 282 transitions. Second operand has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:04:34,743 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:34,744 INFO L93 Difference]: Finished difference Result 316 states and 404 transitions. [2024-11-19 10:04:34,744 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:04:34,744 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 50 [2024-11-19 10:04:34,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:34,746 INFO L225 Difference]: With dead ends: 316 [2024-11-19 10:04:34,747 INFO L226 Difference]: Without dead ends: 209 [2024-11-19 10:04:34,747 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 96 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=173, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:04:34,748 INFO L432 NwaCegarLoop]: 112 mSDtfsCounter, 5 mSDsluCounter, 1089 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 1201 SdHoareTripleChecker+Invalid, 72 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:34,748 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 1201 Invalid, 72 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:34,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-19 10:04:34,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2024-11-19 10:04:34,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 183 states have (on average 1.3278688524590163) internal successors, (243), 188 states have internal predecessors, (243), 11 states have call successors, (11), 7 states have call predecessors, (11), 7 states have return successors, (10), 10 states have call predecessors, (10), 9 states have call successors, (10) [2024-11-19 10:04:34,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 264 transitions. [2024-11-19 10:04:34,761 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 264 transitions. Word has length 50 [2024-11-19 10:04:34,761 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:34,762 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 264 transitions. [2024-11-19 10:04:34,762 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 3.2857142857142856) internal successors, (46), 10 states have internal predecessors, (46), 4 states have call successors, (10), 4 states have call predecessors, (10), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-19 10:04:34,762 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 264 transitions. [2024-11-19 10:04:34,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 51 [2024-11-19 10:04:34,763 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:34,763 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:34,781 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:04:34,967 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-19 10:04:34,968 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:34,969 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:34,969 INFO L85 PathProgramCache]: Analyzing trace with hash -342863991, now seen corresponding path program 2 times [2024-11-19 10:04:34,969 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:34,969 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1377529204] [2024-11-19 10:04:34,969 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:04:34,969 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:34,985 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:04:34,985 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:04:35,216 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-19 10:04:35,216 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:35,216 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1377529204] [2024-11-19 10:04:35,217 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1377529204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:35,217 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:35,217 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:04:35,217 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182006088] [2024-11-19 10:04:35,217 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:35,217 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:04:35,218 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:35,218 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:04:35,219 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:04:35,219 INFO L87 Difference]: Start difference. First operand 206 states and 264 transitions. Second operand has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:04:35,291 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:35,291 INFO L93 Difference]: Finished difference Result 218 states and 280 transitions. [2024-11-19 10:04:35,292 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:04:35,292 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 50 [2024-11-19 10:04:35,292 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:35,293 INFO L225 Difference]: With dead ends: 218 [2024-11-19 10:04:35,293 INFO L226 Difference]: Without dead ends: 214 [2024-11-19 10:04:35,293 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:04:35,294 INFO L432 NwaCegarLoop]: 103 mSDtfsCounter, 37 mSDsluCounter, 217 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 320 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:35,294 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 320 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 62 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:35,295 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2024-11-19 10:04:35,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 211. [2024-11-19 10:04:35,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 188 states have (on average 1.303191489361702) internal successors, (245), 191 states have internal predecessors, (245), 13 states have call successors, (13), 7 states have call predecessors, (13), 7 states have return successors, (12), 12 states have call predecessors, (12), 11 states have call successors, (12) [2024-11-19 10:04:35,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 270 transitions. [2024-11-19 10:04:35,305 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 270 transitions. Word has length 50 [2024-11-19 10:04:35,305 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:35,305 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 270 transitions. [2024-11-19 10:04:35,306 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 7.5) internal successors, (30), 5 states have internal predecessors, (30), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:04:35,306 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 270 transitions. [2024-11-19 10:04:35,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:04:35,307 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:35,307 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:35,307 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2024-11-19 10:04:35,307 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting addfltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:35,308 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:35,308 INFO L85 PathProgramCache]: Analyzing trace with hash 2069012896, now seen corresponding path program 1 times [2024-11-19 10:04:35,308 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:35,308 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [764215233] [2024-11-19 10:04:35,308 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:35,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:35,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:35,405 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-11-19 10:04:35,406 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:35,406 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [764215233] [2024-11-19 10:04:35,406 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [764215233] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:35,406 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:35,406 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:04:35,406 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1153729018] [2024-11-19 10:04:35,406 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:35,407 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:35,407 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:35,407 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:35,407 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:35,408 INFO L87 Difference]: Start difference. First operand 211 states and 270 transitions. Second operand has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:04:35,435 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:35,435 INFO L93 Difference]: Finished difference Result 214 states and 273 transitions. [2024-11-19 10:04:35,435 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:35,435 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58 [2024-11-19 10:04:35,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:35,437 INFO L225 Difference]: With dead ends: 214 [2024-11-19 10:04:35,437 INFO L226 Difference]: Without dead ends: 209 [2024-11-19 10:04:35,437 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:35,437 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 22 mSDsluCounter, 64 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:35,438 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 161 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:35,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 209 states. [2024-11-19 10:04:35,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 209 to 206. [2024-11-19 10:04:35,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 206 states, 186 states have (on average 1.2741935483870968) internal successors, (237), 187 states have internal predecessors, (237), 12 states have call successors, (12), 7 states have call predecessors, (12), 7 states have return successors, (11), 11 states have call predecessors, (11), 10 states have call successors, (11) [2024-11-19 10:04:35,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 206 states and 260 transitions. [2024-11-19 10:04:35,448 INFO L78 Accepts]: Start accepts. Automaton has 206 states and 260 transitions. Word has length 58 [2024-11-19 10:04:35,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:35,449 INFO L471 AbstractCegarLoop]: Abstraction has 206 states and 260 transitions. [2024-11-19 10:04:35,449 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 19.0) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (5), 1 states have call predecessors, (5), 1 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-19 10:04:35,449 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 260 transitions. [2024-11-19 10:04:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-11-19 10:04:35,450 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:35,450 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:35,450 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2024-11-19 10:04:35,450 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:35,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:35,451 INFO L85 PathProgramCache]: Analyzing trace with hash 1522812277, now seen corresponding path program 1 times [2024-11-19 10:04:35,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:35,451 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1071045791] [2024-11-19 10:04:35,451 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:35,451 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:35,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:35,655 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:04:35,655 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:35,655 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1071045791] [2024-11-19 10:04:35,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1071045791] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:35,656 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1869301846] [2024-11-19 10:04:35,656 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:35,656 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:35,656 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:35,658 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:35,659 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:04:35,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:35,738 INFO L255 TraceCheckSpWp]: Trace formula consists of 209 conjuncts, 38 conjuncts are in the unsatisfiable core [2024-11-19 10:04:35,741 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:35,843 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:04:35,844 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:35,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1869301846] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:35,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:35,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [9] total 13 [2024-11-19 10:04:35,844 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1211177027] [2024-11-19 10:04:35,844 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:35,844 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:04:35,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:35,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:04:35,846 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:04:35,846 INFO L87 Difference]: Start difference. First operand 206 states and 260 transitions. Second operand has 11 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:04:35,985 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:35,985 INFO L93 Difference]: Finished difference Result 328 states and 419 transitions. [2024-11-19 10:04:35,985 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-19 10:04:35,985 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) Word has length 75 [2024-11-19 10:04:35,986 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:35,987 INFO L225 Difference]: With dead ends: 328 [2024-11-19 10:04:35,987 INFO L226 Difference]: Without dead ends: 276 [2024-11-19 10:04:35,988 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 72 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=129, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:04:35,988 INFO L432 NwaCegarLoop]: 145 mSDtfsCounter, 59 mSDsluCounter, 939 mSDsCounter, 0 mSdLazyCounter, 170 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 1084 SdHoareTripleChecker+Invalid, 171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 170 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:35,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 1084 Invalid, 171 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 170 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:35,989 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 276 states. [2024-11-19 10:04:36,003 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 276 to 217. [2024-11-19 10:04:36,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 217 states, 193 states have (on average 1.2694300518134716) internal successors, (245), 196 states have internal predecessors, (245), 14 states have call successors, (14), 7 states have call predecessors, (14), 9 states have return successors, (16), 13 states have call predecessors, (16), 12 states have call successors, (16) [2024-11-19 10:04:36,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 217 states and 275 transitions. [2024-11-19 10:04:36,005 INFO L78 Accepts]: Start accepts. Automaton has 217 states and 275 transitions. Word has length 75 [2024-11-19 10:04:36,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:36,007 INFO L471 AbstractCegarLoop]: Abstraction has 217 states and 275 transitions. [2024-11-19 10:04:36,007 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.555555555555555) internal successors, (50), 9 states have internal predecessors, (50), 4 states have call successors, (7), 2 states have call predecessors, (7), 4 states have return successors, (6), 4 states have call predecessors, (6), 4 states have call successors, (6) [2024-11-19 10:04:36,007 INFO L276 IsEmpty]: Start isEmpty. Operand 217 states and 275 transitions. [2024-11-19 10:04:36,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-19 10:04:36,008 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:36,009 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:36,025 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:04:36,212 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:36,213 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:36,213 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:36,213 INFO L85 PathProgramCache]: Analyzing trace with hash 529827064, now seen corresponding path program 1 times [2024-11-19 10:04:36,213 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:36,213 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [499445405] [2024-11-19 10:04:36,213 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:36,213 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:36,370 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 10:04:36,370 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:36,371 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [499445405] [2024-11-19 10:04:36,371 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [499445405] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:36,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:36,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-11-19 10:04:36,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1963802830] [2024-11-19 10:04:36,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:36,372 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-19 10:04:36,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:36,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-19 10:04:36,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=43, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:04:36,373 INFO L87 Difference]: Start difference. First operand 217 states and 275 transitions. Second operand has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:36,506 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:36,506 INFO L93 Difference]: Finished difference Result 349 states and 444 transitions. [2024-11-19 10:04:36,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-19 10:04:36,507 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) Word has length 67 [2024-11-19 10:04:36,507 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:36,508 INFO L225 Difference]: With dead ends: 349 [2024-11-19 10:04:36,508 INFO L226 Difference]: Without dead ends: 285 [2024-11-19 10:04:36,509 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:04:36,509 INFO L432 NwaCegarLoop]: 111 mSDtfsCounter, 33 mSDsluCounter, 587 mSDsCounter, 0 mSdLazyCounter, 157 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 35 SdHoareTripleChecker+Valid, 698 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 157 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:36,510 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [35 Valid, 698 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 157 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:36,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-19 10:04:36,523 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 243. [2024-11-19 10:04:36,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 217 states have (on average 1.2580645161290323) internal successors, (273), 220 states have internal predecessors, (273), 16 states have call successors, (16), 7 states have call predecessors, (16), 9 states have return successors, (18), 15 states have call predecessors, (18), 14 states have call successors, (18) [2024-11-19 10:04:36,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 307 transitions. [2024-11-19 10:04:36,525 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 307 transitions. Word has length 67 [2024-11-19 10:04:36,525 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:36,525 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 307 transitions. [2024-11-19 10:04:36,526 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 5.25) internal successors, (42), 8 states have internal predecessors, (42), 3 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 3 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:36,526 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 307 transitions. [2024-11-19 10:04:36,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:04:36,527 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:36,527 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:36,527 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-11-19 10:04:36,527 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:36,528 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:36,528 INFO L85 PathProgramCache]: Analyzing trace with hash 1912301685, now seen corresponding path program 1 times [2024-11-19 10:04:36,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:36,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [525636776] [2024-11-19 10:04:36,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:36,528 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:36,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:36,609 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-19 10:04:36,609 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:36,609 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [525636776] [2024-11-19 10:04:36,610 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [525636776] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:36,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:36,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:04:36,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982930678] [2024-11-19 10:04:36,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:36,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:36,611 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:36,611 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:36,611 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:36,611 INFO L87 Difference]: Start difference. First operand 243 states and 307 transitions. Second operand has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:04:36,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:36,627 INFO L93 Difference]: Finished difference Result 321 states and 405 transitions. [2024-11-19 10:04:36,628 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:36,628 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 68 [2024-11-19 10:04:36,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:36,629 INFO L225 Difference]: With dead ends: 321 [2024-11-19 10:04:36,629 INFO L226 Difference]: Without dead ends: 244 [2024-11-19 10:04:36,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:36,630 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 0 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 5 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 5 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:36,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 210 Invalid, 5 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:36,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 244 states. [2024-11-19 10:04:36,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 244 to 231. [2024-11-19 10:04:36,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 231 states, 206 states have (on average 1.2572815533980584) internal successors, (259), 209 states have internal predecessors, (259), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2024-11-19 10:04:36,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 231 states and 291 transitions. [2024-11-19 10:04:36,644 INFO L78 Accepts]: Start accepts. Automaton has 231 states and 291 transitions. Word has length 68 [2024-11-19 10:04:36,644 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:36,644 INFO L471 AbstractCegarLoop]: Abstraction has 231 states and 291 transitions. [2024-11-19 10:04:36,644 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 14.333333333333334) internal successors, (43), 3 states have internal predecessors, (43), 2 states have call successors, (6), 1 states have call predecessors, (6), 1 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:04:36,644 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 291 transitions. [2024-11-19 10:04:36,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-11-19 10:04:36,646 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:36,646 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:36,646 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2024-11-19 10:04:36,646 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:36,647 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:36,647 INFO L85 PathProgramCache]: Analyzing trace with hash 934138643, now seen corresponding path program 1 times [2024-11-19 10:04:36,647 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:36,647 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1467513165] [2024-11-19 10:04:36,647 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:36,647 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:36,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:36,684 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2024-11-19 10:04:36,684 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:36,684 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1467513165] [2024-11-19 10:04:36,684 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1467513165] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:36,685 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503536626] [2024-11-19 10:04:36,685 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:36,685 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:36,685 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:36,687 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:36,688 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:04:36,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:36,754 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:04:36,756 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:36,767 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-19 10:04:36,767 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:36,767 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503536626] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:36,767 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:36,767 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-19 10:04:36,767 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773767781] [2024-11-19 10:04:36,767 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:36,768 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:04:36,768 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:36,768 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:04:36,768 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:36,769 INFO L87 Difference]: Start difference. First operand 231 states and 291 transitions. Second operand has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:04:36,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:36,814 INFO L93 Difference]: Finished difference Result 448 states and 565 transitions. [2024-11-19 10:04:36,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:04:36,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 74 [2024-11-19 10:04:36,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:36,816 INFO L225 Difference]: With dead ends: 448 [2024-11-19 10:04:36,816 INFO L226 Difference]: Without dead ends: 245 [2024-11-19 10:04:36,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 74 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:04:36,818 INFO L432 NwaCegarLoop]: 107 mSDtfsCounter, 7 mSDsluCounter, 85 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 192 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 [2024-11-19 10:04:36,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 192 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:04:36,819 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 245 states. [2024-11-19 10:04:36,834 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 245 to 236. [2024-11-19 10:04:36,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 211 states have (on average 1.2464454976303319) internal successors, (263), 214 states have internal predecessors, (263), 15 states have call successors, (15), 7 states have call predecessors, (15), 9 states have return successors, (17), 14 states have call predecessors, (17), 13 states have call successors, (17) [2024-11-19 10:04:36,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 295 transitions. [2024-11-19 10:04:36,836 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 295 transitions. Word has length 74 [2024-11-19 10:04:36,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:36,836 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 295 transitions. [2024-11-19 10:04:36,837 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 19.0) internal successors, (57), 3 states have internal predecessors, (57), 2 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:04:36,837 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 295 transitions. [2024-11-19 10:04:36,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:04:36,839 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:36,839 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:36,856 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:37,040 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-19 10:04:37,041 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:37,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:37,042 INFO L85 PathProgramCache]: Analyzing trace with hash 1727564822, now seen corresponding path program 1 times [2024-11-19 10:04:37,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:37,042 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1483323214] [2024-11-19 10:04:37,042 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:37,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:37,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:37,209 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 3 proven. 3 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:04:37,209 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:37,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1483323214] [2024-11-19 10:04:37,209 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1483323214] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:04:37,209 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1654480896] [2024-11-19 10:04:37,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:37,210 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:37,210 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:04:37,212 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:04:37,213 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:04:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:37,282 INFO L255 TraceCheckSpWp]: Trace formula consists of 182 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 10:04:37,285 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:04:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:04:37,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:04:37,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1654480896] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:37,371 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:04:37,371 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [8] total 12 [2024-11-19 10:04:37,371 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449558989] [2024-11-19 10:04:37,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:37,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:04:37,372 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:37,373 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:04:37,373 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:04:37,373 INFO L87 Difference]: Start difference. First operand 236 states and 295 transitions. Second operand has 10 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:37,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:37,492 INFO L93 Difference]: Finished difference Result 382 states and 478 transitions. [2024-11-19 10:04:37,492 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:04:37,492 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 68 [2024-11-19 10:04:37,493 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:37,494 INFO L225 Difference]: With dead ends: 382 [2024-11-19 10:04:37,494 INFO L226 Difference]: Without dead ends: 312 [2024-11-19 10:04:37,495 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 76 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=31, Invalid=125, Unknown=0, NotChecked=0, Total=156 [2024-11-19 10:04:37,495 INFO L432 NwaCegarLoop]: 109 mSDtfsCounter, 62 mSDsluCounter, 742 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 67 SdHoareTripleChecker+Valid, 851 SdHoareTripleChecker+Invalid, 110 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:37,495 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [67 Valid, 851 Invalid, 110 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:04:37,496 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 312 states. [2024-11-19 10:04:37,529 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 312 to 302. [2024-11-19 10:04:37,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 302 states, 269 states have (on average 1.241635687732342) internal successors, (334), 273 states have internal predecessors, (334), 21 states have call successors, (21), 8 states have call predecessors, (21), 11 states have return successors, (24), 20 states have call predecessors, (24), 18 states have call successors, (24) [2024-11-19 10:04:37,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 302 states to 302 states and 379 transitions. [2024-11-19 10:04:37,532 INFO L78 Accepts]: Start accepts. Automaton has 302 states and 379 transitions. Word has length 68 [2024-11-19 10:04:37,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:37,533 INFO L471 AbstractCegarLoop]: Abstraction has 302 states and 379 transitions. [2024-11-19 10:04:37,533 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.625) internal successors, (45), 7 states have internal predecessors, (45), 4 states have call successors, (6), 3 states have call predecessors, (6), 3 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:37,533 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states and 379 transitions. [2024-11-19 10:04:37,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-19 10:04:37,534 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:04:37,534 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:37,551 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:04:37,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21,10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:04:37,739 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:04:37,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:04:37,739 INFO L85 PathProgramCache]: Analyzing trace with hash 883559320, now seen corresponding path program 1 times [2024-11-19 10:04:37,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:04:37,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1397404029] [2024-11-19 10:04:37,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:04:37,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:04:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:04:38,078 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-19 10:04:38,078 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:04:38,078 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1397404029] [2024-11-19 10:04:38,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1397404029] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:04:38,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:04:38,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-19 10:04:38,079 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [458442905] [2024-11-19 10:04:38,079 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:04:38,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-19 10:04:38,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:04:38,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-19 10:04:38,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-11-19 10:04:38,081 INFO L87 Difference]: Start difference. First operand 302 states and 379 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:38,303 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:04:38,304 INFO L93 Difference]: Finished difference Result 462 states and 584 transitions. [2024-11-19 10:04:38,304 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:04:38,305 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) Word has length 68 [2024-11-19 10:04:38,305 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:04:38,305 INFO L225 Difference]: With dead ends: 462 [2024-11-19 10:04:38,305 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:04:38,307 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 1 SyntacticMatches, 2 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:04:38,307 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 121 mSDsluCounter, 755 mSDsCounter, 0 mSdLazyCounter, 226 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 854 SdHoareTripleChecker+Invalid, 233 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 226 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:04:38,307 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 854 Invalid, 233 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 226 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:04:38,308 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:04:38,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:04:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:04:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:04:38,309 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 68 [2024-11-19 10:04:38,309 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:04:38,309 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:04:38,309 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 4 states have call successors, (6), 2 states have call predecessors, (6), 2 states have return successors, (5), 4 states have call predecessors, (5), 3 states have call successors, (5) [2024-11-19 10:04:38,310 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:04:38,310 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:04:38,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 16 remaining) [2024-11-19 10:04:38,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 16 remaining) [2024-11-19 10:04:38,313 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 16 remaining) [2024-11-19 10:04:38,314 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 16 remaining) [2024-11-19 10:04:38,315 INFO L782 garLoopResultBuilder]: Registering result SAFE for location addfltErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 16 remaining) [2024-11-19 10:04:38,315 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-19 10:04:38,319 INFO L407 BasicCegarLoop]: Path program histogram: [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:04:38,321 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:04:39,756 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:04:39,783 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:04:39 BoogieIcfgContainer [2024-11-19 10:04:39,784 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:04:39,785 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:04:39,785 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:04:39,785 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:04:39,785 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:04:29" (3/4) ... [2024-11-19 10:04:39,788 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:04:39,792 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2024-11-19 10:04:39,792 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure addflt [2024-11-19 10:04:39,792 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-11-19 10:04:39,801 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 35 nodes and edges [2024-11-19 10:04:39,802 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-19 10:04:39,802 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:04:39,803 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:04:39,833 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) && (m <= 33554431)) [2024-11-19 10:04:39,833 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) [2024-11-19 10:04:39,862 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: (((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) && (m <= 33554431)) [2024-11-19 10:04:39,862 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) [2024-11-19 10:04:39,908 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:04:39,911 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:04:39,911 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:04:39,912 INFO L158 Benchmark]: Toolchain (without parser) took 11775.21ms. Allocated memory was 153.1MB in the beginning and 287.3MB in the end (delta: 134.2MB). Free memory was 117.3MB in the beginning and 214.7MB in the end (delta: -97.3MB). Peak memory consumption was 36.3MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,912 INFO L158 Benchmark]: CDTParser took 0.99ms. Allocated memory is still 153.1MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:04:39,912 INFO L158 Benchmark]: CACSL2BoogieTranslator took 363.20ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 102.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,913 INFO L158 Benchmark]: Boogie Procedure Inliner took 41.64ms. Allocated memory is still 153.1MB. Free memory was 102.2MB in the beginning and 100.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,913 INFO L158 Benchmark]: Boogie Preprocessor took 49.10ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 98.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,913 INFO L158 Benchmark]: RCFGBuilder took 606.50ms. Allocated memory is still 153.1MB. Free memory was 98.0MB in the beginning and 103.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,913 INFO L158 Benchmark]: TraceAbstraction took 10581.60ms. Allocated memory was 153.1MB in the beginning and 287.3MB in the end (delta: 134.2MB). Free memory was 102.4MB in the beginning and 222.0MB in the end (delta: -119.6MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,914 INFO L158 Benchmark]: Witness Printer took 126.45ms. Allocated memory is still 287.3MB. Free memory was 221.0MB in the beginning and 214.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:04:39,916 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.99ms. Allocated memory is still 153.1MB. Free memory is still 120.3MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 363.20ms. Allocated memory is still 153.1MB. Free memory was 117.3MB in the beginning and 102.2MB in the end (delta: 15.1MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 41.64ms. Allocated memory is still 153.1MB. Free memory was 102.2MB in the beginning and 100.0MB in the end (delta: 2.2MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 49.10ms. Allocated memory is still 153.1MB. Free memory was 100.0MB in the beginning and 98.0MB in the end (delta: 2.0MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 606.50ms. Allocated memory is still 153.1MB. Free memory was 98.0MB in the beginning and 103.3MB in the end (delta: -5.3MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * TraceAbstraction took 10581.60ms. Allocated memory was 153.1MB in the beginning and 287.3MB in the end (delta: 134.2MB). Free memory was 102.4MB in the beginning and 222.0MB in the end (delta: -119.6MB). Peak memory consumption was 156.9MB. Max. memory is 16.1GB. * Witness Printer took 126.45ms. Allocated memory is still 287.3MB. Free memory was 221.0MB in the beginning and 214.7MB in the end (delta: 6.3MB). Peak memory consumption was 6.3MB. 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 - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 71]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 78]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 110]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 113]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 116]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 134]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 142]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 109 locations, 16 error locations. Started 1 CEGAR loops. OverallTime: 9.1s, OverallIterations: 23, TraceHistogramMax: 3, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 2.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 956 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 923 mSDsluCounter, 11909 SdHoareTripleChecker+Invalid, 1.1s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 9391 mSDsCounter, 70 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1620 IncrementalHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 70 mSolverCounterUnsat, 2518 mSDtfsCounter, 1620 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 642 GetRequests, 497 SyntacticMatches, 3 SemanticMatches, 142 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=302occurred in iteration=22, InterpolantAutomatonStates: 140, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 23 MinimizatonAttempts, 341 StatesRemovedByMinimization, 20 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 1320 NumberOfCodeBlocks, 1302 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 1378 ConstructedInterpolants, 0 QuantifiedInterpolants, 2338 SizeOfPredicates, 5 NumberOfNonLiveVariables, 1174 ConjunctsInSsa, 110 ConjunctsInUnsatCore, 34 InterpolantComputations, 21 PerfectInterpolantSequences, 416/456 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 - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 38]: Loop Invariant Derived loop invariant: (((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && ((0 <= (2147483649 + e)) || (\old(e) != 0))) && (e <= 127)) && (m <= 33554431)) - InvariantResult [Line: 58]: Loop Invariant Derived loop invariant: ((((\old(e) <= 127) && (0 <= ((long long) 128 + \old(e)))) && (0 <= ((long long) 128 + e))) && (e <= 127)) - ProcedureContractResult [Line: 25]: Procedure Contract for base2flt Derived contract for procedure base2flt. Requires: ((e <= 127) && (0 <= ((long long) 128 + e))) Ensures: ((e <= 127) && (0 <= ((long long) 128 + e))) - ProcedureContractResult [Line: 16]: Procedure Contract for __VERIFIER_assert Derived contract for procedure __VERIFIER_assert. Ensures: (cond != 0) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:04:39,947 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 Result: TRUE