./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 4a390ef5 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_3a.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 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 --- Real Ultimate output --- This is Ultimate 0.2.5-dev-4a390ef-m [2024-10-24 19:35:10,531 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-24 19:35:10,585 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-24 19:35:10,608 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-24 19:35:10,609 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-24 19:35:10,653 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-24 19:35:10,654 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-24 19:35:10,654 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-24 19:35:10,655 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-24 19:35:10,655 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-24 19:35:10,655 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-24 19:35:10,655 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-24 19:35:10,656 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-24 19:35:10,656 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-24 19:35:10,656 INFO L153 SettingsManager]: * Use SBE=true [2024-10-24 19:35:10,657 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-24 19:35:10,657 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-24 19:35:10,657 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-24 19:35:10,657 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-24 19:35:10,658 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-24 19:35:10,658 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-24 19:35:10,667 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-24 19:35:10,667 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-24 19:35:10,667 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-24 19:35:10,667 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-24 19:35:10,668 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-24 19:35:10,668 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-24 19:35:10,668 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-24 19:35:10,668 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-24 19:35:10,668 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-24 19:35:10,669 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-24 19:35:10,669 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-24 19:35:10,669 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-24 19:35:10,670 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-24 19:35:10,670 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:35:10,670 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-24 19:35:10,670 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-24 19:35:10,671 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-24 19:35:10,671 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-24 19:35:10,671 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-24 19:35:10,671 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-24 19:35:10,679 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-24 19:35:10,679 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-24 19:35:10,679 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-24 19:35:10,679 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 95f89ee6bcff8f17eb3e93b344abecdfb8ddea0894d1b25afafccf6235d7ced6 [2024-10-24 19:35:10,902 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-24 19:35:10,960 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-24 19:35:10,962 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-24 19:35:10,963 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-24 19:35:10,967 INFO L274 PluginConnector]: CDTParser initialized [2024-10-24 19:35:10,969 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2024-10-24 19:35:12,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-24 19:35:12,483 INFO L384 CDTParser]: Found 1 translation units. [2024-10-24 19:35:12,483 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_3a.c.cil.c [2024-10-24 19:35:12,494 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a700951/1ae0ed607b294e048274cad78e92bbbe/FLAG70314ee16 [2024-10-24 19:35:12,876 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/13a700951/1ae0ed607b294e048274cad78e92bbbe [2024-10-24 19:35:12,878 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-24 19:35:12,879 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-24 19:35:12,883 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-24 19:35:12,884 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-24 19:35:12,888 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-24 19:35:12,889 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:35:12" (1/1) ... [2024-10-24 19:35:12,890 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10b353a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:12, skipping insertion in model container [2024-10-24 19:35:12,890 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.10 07:35:12" (1/1) ... [2024-10-24 19:35:12,917 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-24 19:35:13,116 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:35:13,125 INFO L200 MainTranslator]: Completed pre-run [2024-10-24 19:35:13,164 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-24 19:35:13,178 INFO L204 MainTranslator]: Completed translation [2024-10-24 19:35:13,179 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13 WrapperNode [2024-10-24 19:35:13,179 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-24 19:35:13,180 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-24 19:35:13,180 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-24 19:35:13,180 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-24 19:35:13,186 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,199 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,220 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2024-10-24 19:35:13,220 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-24 19:35:13,221 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-24 19:35:13,221 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-24 19:35:13,221 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-24 19:35:13,231 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,232 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,234 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,247 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]. [2024-10-24 19:35:13,247 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,248 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,251 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,254 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,260 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,261 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,263 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-24 19:35:13,263 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-24 19:35:13,263 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-24 19:35:13,264 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-24 19:35:13,264 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (1/1) ... [2024-10-24 19:35:13,278 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-24 19:35:13,287 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:13,303 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) [2024-10-24 19:35:13,310 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 [2024-10-24 19:35:13,352 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-24 19:35:13,353 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-24 19:35:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-10-24 19:35:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-10-24 19:35:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-24 19:35:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-24 19:35:13,354 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-10-24 19:35:13,354 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-10-24 19:35:13,426 INFO L238 CfgBuilder]: Building ICFG [2024-10-24 19:35:13,429 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-24 19:35:13,802 INFO L? ?]: Removed 82 outVars from TransFormulas that were not future-live. [2024-10-24 19:35:13,805 INFO L287 CfgBuilder]: Performing block encoding [2024-10-24 19:35:13,832 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-24 19:35:13,832 INFO L314 CfgBuilder]: Removed 2 assume(true) statements. [2024-10-24 19:35:13,832 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:13 BoogieIcfgContainer [2024-10-24 19:35:13,832 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-24 19:35:13,835 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-24 19:35:13,835 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-24 19:35:13,838 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-24 19:35:13,839 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.10 07:35:12" (1/3) ... [2024-10-24 19:35:13,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c57a4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:35:13, skipping insertion in model container [2024-10-24 19:35:13,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.10 07:35:13" (2/3) ... [2024-10-24 19:35:13,840 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@c57a4b3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.10 07:35:13, skipping insertion in model container [2024-10-24 19:35:13,840 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:13" (3/3) ... [2024-10-24 19:35:13,841 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_3a.c.cil.c [2024-10-24 19:35:13,857 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-24 19:35:13,857 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-24 19:35:13,917 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-24 19:35:13,923 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;@3e23e1b4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-24 19:35:13,924 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-10-24 19:35:13,927 INFO L276 IsEmpty]: Start isEmpty. Operand has 103 states, 77 states have (on average 1.6883116883116882) internal successors, (130), 96 states have internal predecessors, (130), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-10-24 19:35:13,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-10-24 19:35:13,938 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:13,943 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:13,944 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:13,949 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:13,950 INFO L85 PathProgramCache]: Analyzing trace with hash -2090184414, now seen corresponding path program 1 times [2024-10-24 19:35:13,959 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:13,959 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1661680188] [2024-10-24 19:35:13,960 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:13,960 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,172 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:14,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:14,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1661680188] [2024-10-24 19:35:14,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1661680188] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:14,173 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:14,174 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:14,175 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593185308] [2024-10-24 19:35:14,175 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:14,179 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:14,180 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:14,201 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:14,202 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:14,205 INFO L87 Difference]: Start difference. First operand has 103 states, 77 states have (on average 1.6883116883116882) internal successors, (130), 96 states have internal predecessors, (130), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-24 19:35:14,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:14,392 INFO L93 Difference]: Finished difference Result 251 states and 364 transitions. [2024-10-24 19:35:14,394 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:14,395 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 8 [2024-10-24 19:35:14,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:14,403 INFO L225 Difference]: With dead ends: 251 [2024-10-24 19:35:14,404 INFO L226 Difference]: Without dead ends: 131 [2024-10-24 19:35:14,406 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 [2024-10-24 19:35:14,409 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 82 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 56 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 82 SdHoareTripleChecker+Valid, 329 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 56 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:14,410 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [82 Valid, 329 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 56 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:14,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2024-10-24 19:35:14,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 122. [2024-10-24 19:35:14,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 122 states, 102 states have (on average 1.4803921568627452) internal successors, (151), 115 states have internal predecessors, (151), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:14,445 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 122 states and 159 transitions. [2024-10-24 19:35:14,447 INFO L78 Accepts]: Start accepts. Automaton has 122 states and 159 transitions. Word has length 8 [2024-10-24 19:35:14,447 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:14,447 INFO L471 AbstractCegarLoop]: Abstraction has 122 states and 159 transitions. [2024-10-24 19:35:14,447 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-10-24 19:35:14,448 INFO L276 IsEmpty]: Start isEmpty. Operand 122 states and 159 transitions. [2024-10-24 19:35:14,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 19:35:14,449 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:14,449 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:14,449 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-24 19:35:14,450 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:14,451 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:14,451 INFO L85 PathProgramCache]: Analyzing trace with hash -2069495778, now seen corresponding path program 1 times [2024-10-24 19:35:14,451 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:14,452 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1990487124] [2024-10-24 19:35:14,452 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:14,452 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:14,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,517 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:14,517 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:14,517 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1990487124] [2024-10-24 19:35:14,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1990487124] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:14,518 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:14,518 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:14,518 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [314106715] [2024-10-24 19:35:14,518 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:14,519 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:14,519 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:14,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:14,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:14,520 INFO L87 Difference]: Start difference. First operand 122 states and 159 transitions. Second operand has 3 states, 3 states have (on average 4.0) 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) [2024-10-24 19:35:14,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:14,588 INFO L93 Difference]: Finished difference Result 254 states and 338 transitions. [2024-10-24 19:35:14,590 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:14,590 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.0) 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 13 [2024-10-24 19:35:14,591 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:14,592 INFO L225 Difference]: With dead ends: 254 [2024-10-24 19:35:14,595 INFO L226 Difference]: Without dead ends: 134 [2024-10-24 19:35:14,596 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 [2024-10-24 19:35:14,598 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 11 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 167 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:14,599 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 167 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:14,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 134 states. [2024-10-24 19:35:14,613 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 134 to 126. [2024-10-24 19:35:14,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 126 states, 106 states have (on average 1.4622641509433962) internal successors, (155), 119 states have internal predecessors, (155), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:14,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 126 states to 126 states and 163 transitions. [2024-10-24 19:35:14,616 INFO L78 Accepts]: Start accepts. Automaton has 126 states and 163 transitions. Word has length 13 [2024-10-24 19:35:14,617 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:14,617 INFO L471 AbstractCegarLoop]: Abstraction has 126 states and 163 transitions. [2024-10-24 19:35:14,617 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.0) 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) [2024-10-24 19:35:14,617 INFO L276 IsEmpty]: Start isEmpty. Operand 126 states and 163 transitions. [2024-10-24 19:35:14,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-10-24 19:35:14,618 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:14,618 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:14,618 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-24 19:35:14,618 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:14,619 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:14,619 INFO L85 PathProgramCache]: Analyzing trace with hash -2069607124, now seen corresponding path program 1 times [2024-10-24 19:35:14,623 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:14,623 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [165574095] [2024-10-24 19:35:14,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:14,624 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,661 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-24 19:35:14,662 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:14,662 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [165574095] [2024-10-24 19:35:14,662 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [165574095] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:14,662 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:14,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:35:14,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066978992] [2024-10-24 19:35:14,663 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:14,663 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:14,663 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:14,664 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:14,664 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:14,664 INFO L87 Difference]: Start difference. First operand 126 states and 163 transitions. Second operand has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-24 19:35:14,714 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:14,714 INFO L93 Difference]: Finished difference Result 126 states and 163 transitions. [2024-10-24 19:35:14,718 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:14,719 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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 13 [2024-10-24 19:35:14,719 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:14,720 INFO L225 Difference]: With dead ends: 126 [2024-10-24 19:35:14,720 INFO L226 Difference]: Without dead ends: 125 [2024-10-24 19:35:14,720 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 [2024-10-24 19:35:14,721 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 1 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 166 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:14,721 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 166 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:14,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-24 19:35:14,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-24 19:35:14,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 106 states have (on average 1.4433962264150944) internal successors, (153), 118 states have internal predecessors, (153), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:14,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 161 transitions. [2024-10-24 19:35:14,732 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 161 transitions. Word has length 13 [2024-10-24 19:35:14,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:14,734 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 161 transitions. [2024-10-24 19:35:14,735 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 5.5) internal successors, (11), 3 states have internal predecessors, (11), 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) [2024-10-24 19:35:14,739 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 161 transitions. [2024-10-24 19:35:14,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 19:35:14,740 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:14,740 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:14,740 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-24 19:35:14,741 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:14,741 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:14,741 INFO L85 PathProgramCache]: Analyzing trace with hash -1348583280, now seen corresponding path program 1 times [2024-10-24 19:35:14,741 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:14,741 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1218418588] [2024-10-24 19:35:14,741 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:14,742 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,827 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:14,827 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:14,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1218418588] [2024-10-24 19:35:14,827 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1218418588] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:14,827 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1238416681] [2024-10-24 19:35:14,828 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:14,828 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:14,828 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:14,829 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) [2024-10-24 19:35:14,830 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-24 19:35:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:14,877 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:35:14,880 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:14,919 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:14,920 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:14,920 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1238416681] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:14,920 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:14,920 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-24 19:35:14,920 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2024344090] [2024-10-24 19:35:14,920 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:14,921 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:14,921 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:14,921 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:14,921 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:35:14,921 INFO L87 Difference]: Start difference. First operand 125 states and 161 transitions. Second operand has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (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) [2024-10-24 19:35:15,003 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:15,003 INFO L93 Difference]: Finished difference Result 158 states and 211 transitions. [2024-10-24 19:35:15,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:15,007 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (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 [2024-10-24 19:35:15,007 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:15,009 INFO L225 Difference]: With dead ends: 158 [2024-10-24 19:35:15,009 INFO L226 Difference]: Without dead ends: 156 [2024-10-24 19:35:15,009 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:35:15,010 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 25 mSDsluCounter, 150 mSDsCounter, 0 mSdLazyCounter, 83 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 250 SdHoareTripleChecker+Invalid, 86 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 83 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:15,011 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 250 Invalid, 86 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 83 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:15,012 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-10-24 19:35:15,022 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 132. [2024-10-24 19:35:15,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.415929203539823) internal successors, (160), 125 states have internal predecessors, (160), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:15,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 168 transitions. [2024-10-24 19:35:15,024 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 168 transitions. Word has length 14 [2024-10-24 19:35:15,024 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:15,024 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 168 transitions. [2024-10-24 19:35:15,025 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.333333333333333) internal successors, (13), 4 states have internal predecessors, (13), 1 states have call successors, (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) [2024-10-24 19:35:15,025 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 168 transitions. [2024-10-24 19:35:15,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-10-24 19:35:15,026 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:15,026 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:15,040 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-24 19:35:15,230 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 [2024-10-24 19:35:15,231 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:15,232 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:15,232 INFO L85 PathProgramCache]: Analyzing trace with hash 266688653, now seen corresponding path program 1 times [2024-10-24 19:35:15,232 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:15,232 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [389738666] [2024-10-24 19:35:15,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,233 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:15,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:15,309 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:15,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:15,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [389738666] [2024-10-24 19:35:15,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [389738666] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:15,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1634488049] [2024-10-24 19:35:15,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:15,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:15,312 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) [2024-10-24 19:35:15,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-24 19:35:15,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:15,350 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:35:15,351 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:15,369 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:15,370 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:15,370 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1634488049] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:15,370 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:15,370 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-10-24 19:35:15,370 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [438052741] [2024-10-24 19:35:15,371 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:15,371 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:15,371 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:15,372 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:15,372 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:15,372 INFO L87 Difference]: Start difference. First operand 132 states and 168 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:15,414 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:15,415 INFO L93 Difference]: Finished difference Result 138 states and 176 transitions. [2024-10-24 19:35:15,415 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:15,415 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-10-24 19:35:15,416 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:15,416 INFO L225 Difference]: With dead ends: 138 [2024-10-24 19:35:15,416 INFO L226 Difference]: Without dead ends: 137 [2024-10-24 19:35:15,417 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:15,418 INFO L432 NwaCegarLoop]: 92 mSDtfsCounter, 14 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 36 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 163 SdHoareTripleChecker+Invalid, 39 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 36 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:15,418 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 163 Invalid, 39 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 36 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:15,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 137 states. [2024-10-24 19:35:15,429 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 137 to 134. [2024-10-24 19:35:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 134 states, 115 states have (on average 1.4086956521739131) internal successors, (162), 127 states have internal predecessors, (162), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 134 states to 134 states and 170 transitions. [2024-10-24 19:35:15,430 INFO L78 Accepts]: Start accepts. Automaton has 134 states and 170 transitions. Word has length 14 [2024-10-24 19:35:15,430 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:15,430 INFO L471 AbstractCegarLoop]: Abstraction has 134 states and 170 transitions. [2024-10-24 19:35:15,431 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:15,431 INFO L276 IsEmpty]: Start isEmpty. Operand 134 states and 170 transitions. [2024-10-24 19:35:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 19:35:15,431 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:15,431 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:15,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-24 19:35:15,635 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 [2024-10-24 19:35:15,636 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:15,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:15,637 INFO L85 PathProgramCache]: Analyzing trace with hash 1143591373, now seen corresponding path program 1 times [2024-10-24 19:35:15,637 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:15,637 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1480757379] [2024-10-24 19:35:15,637 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-24 19:35:15,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:15,675 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1480757379] [2024-10-24 19:35:15,675 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1480757379] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:15,675 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:15,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-24 19:35:15,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382958933] [2024-10-24 19:35:15,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:15,676 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:15,676 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:15,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:15,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:15,677 INFO L87 Difference]: Start difference. First operand 134 states and 170 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) [2024-10-24 19:35:15,713 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:15,713 INFO L93 Difference]: Finished difference Result 134 states and 170 transitions. [2024-10-24 19:35:15,714 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:15,714 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 15 [2024-10-24 19:35:15,714 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:15,715 INFO L225 Difference]: With dead ends: 134 [2024-10-24 19:35:15,715 INFO L226 Difference]: Without dead ends: 133 [2024-10-24 19:35:15,716 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 [2024-10-24 19:35:15,716 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 0 mSDsluCounter, 74 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:15,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 165 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:15,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2024-10-24 19:35:15,726 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 131. [2024-10-24 19:35:15,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 131 states, 113 states have (on average 1.3982300884955752) internal successors, (158), 124 states have internal predecessors, (158), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:15,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 131 states to 131 states and 166 transitions. [2024-10-24 19:35:15,728 INFO L78 Accepts]: Start accepts. Automaton has 131 states and 166 transitions. Word has length 15 [2024-10-24 19:35:15,728 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:15,729 INFO L471 AbstractCegarLoop]: Abstraction has 131 states and 166 transitions. [2024-10-24 19:35:15,729 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) [2024-10-24 19:35:15,729 INFO L276 IsEmpty]: Start isEmpty. Operand 131 states and 166 transitions. [2024-10-24 19:35:15,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-10-24 19:35:15,730 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:15,730 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:15,730 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-10-24 19:35:15,730 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:15,731 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:15,731 INFO L85 PathProgramCache]: Analyzing trace with hash -213884891, now seen corresponding path program 1 times [2024-10-24 19:35:15,731 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:15,731 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [575875287] [2024-10-24 19:35:15,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,732 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:15,806 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:15,807 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:15,807 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [575875287] [2024-10-24 19:35:15,807 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [575875287] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:15,807 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:15,807 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:15,807 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1940979354] [2024-10-24 19:35:15,807 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:15,807 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:15,807 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:15,808 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:15,808 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:15,808 INFO L87 Difference]: Start difference. First operand 131 states and 166 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, (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) [2024-10-24 19:35:15,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:15,886 INFO L93 Difference]: Finished difference Result 148 states and 186 transitions. [2024-10-24 19:35:15,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:35:15,887 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, (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 [2024-10-24 19:35:15,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:15,888 INFO L225 Difference]: With dead ends: 148 [2024-10-24 19:35:15,889 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 19:35:15,889 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:35:15,890 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 95 mSDsluCounter, 231 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 95 SdHoareTripleChecker+Valid, 314 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:15,890 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [95 Valid, 314 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:15,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 19:35:15,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 136. [2024-10-24 19:35:15,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.3898305084745763) internal successors, (164), 129 states have internal predecessors, (164), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:15,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 172 transitions. [2024-10-24 19:35:15,911 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 172 transitions. Word has length 15 [2024-10-24 19:35:15,911 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:15,911 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 172 transitions. [2024-10-24 19:35:15,911 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, (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) [2024-10-24 19:35:15,912 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 172 transitions. [2024-10-24 19:35:15,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-10-24 19:35:15,917 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:15,917 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:15,917 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-10-24 19:35:15,917 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:15,917 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:15,918 INFO L85 PathProgramCache]: Analyzing trace with hash 1093757116, now seen corresponding path program 1 times [2024-10-24 19:35:15,918 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:15,918 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2089952876] [2024-10-24 19:35:15,918 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,918 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:15,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:15,973 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:15,973 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:15,973 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2089952876] [2024-10-24 19:35:15,973 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2089952876] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:15,974 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1181480753] [2024-10-24 19:35:15,974 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:15,974 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:15,974 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:15,977 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) [2024-10-24 19:35:15,978 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-24 19:35:16,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,012 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-24 19:35:16,013 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-24 19:35:16,040 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:16,040 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1181480753] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:16,040 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:16,040 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-10-24 19:35:16,041 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2049338731] [2024-10-24 19:35:16,041 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:16,041 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:16,041 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:16,042 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:16,042 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:35:16,042 INFO L87 Difference]: Start difference. First operand 136 states and 172 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,094 INFO L93 Difference]: Finished difference Result 148 states and 189 transitions. [2024-10-24 19:35:16,094 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:16,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-10-24 19:35:16,095 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,095 INFO L225 Difference]: With dead ends: 148 [2024-10-24 19:35:16,095 INFO L226 Difference]: Without dead ends: 147 [2024-10-24 19:35:16,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:35:16,096 INFO L432 NwaCegarLoop]: 98 mSDtfsCounter, 8 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 63 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 253 SdHoareTripleChecker+Invalid, 63 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 63 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,096 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 253 Invalid, 63 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 63 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:16,097 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 147 states. [2024-10-24 19:35:16,100 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 147 to 136. [2024-10-24 19:35:16,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 118 states have (on average 1.38135593220339) internal successors, (163), 129 states have internal predecessors, (163), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:16,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 171 transitions. [2024-10-24 19:35:16,102 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 171 transitions. Word has length 16 [2024-10-24 19:35:16,102 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,102 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 171 transitions. [2024-10-24 19:35:16,102 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-24 19:35:16,102 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 171 transitions. [2024-10-24 19:35:16,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 19:35:16,103 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:16,103 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:16,116 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-24 19:35:16,304 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 [2024-10-24 19:35:16,304 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:16,304 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:16,304 INFO L85 PathProgramCache]: Analyzing trace with hash 2001659805, now seen corresponding path program 1 times [2024-10-24 19:35:16,304 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:16,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538777266] [2024-10-24 19:35:16,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:16,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,344 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:16,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,359 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:35:16,360 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:16,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538777266] [2024-10-24 19:35:16,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538777266] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:16,361 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:16,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:16,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [226763790] [2024-10-24 19:35:16,361 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:16,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:16,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:16,363 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:16,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:16,364 INFO L87 Difference]: Start difference. First operand 136 states and 171 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-24 19:35:16,444 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,445 INFO L93 Difference]: Finished difference Result 200 states and 256 transitions. [2024-10-24 19:35:16,445 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:35:16,445 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 21 [2024-10-24 19:35:16,446 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,447 INFO L225 Difference]: With dead ends: 200 [2024-10-24 19:35:16,448 INFO L226 Difference]: Without dead ends: 198 [2024-10-24 19:35:16,448 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:16,449 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 117 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 77 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 83 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 77 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,449 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 254 Invalid, 83 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 77 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:16,450 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-24 19:35:16,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 173. [2024-10-24 19:35:16,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 173 states, 154 states have (on average 1.3896103896103895) internal successors, (214), 165 states have internal predecessors, (214), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:16,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 173 states and 222 transitions. [2024-10-24 19:35:16,456 INFO L78 Accepts]: Start accepts. Automaton has 173 states and 222 transitions. Word has length 21 [2024-10-24 19:35:16,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,456 INFO L471 AbstractCegarLoop]: Abstraction has 173 states and 222 transitions. [2024-10-24 19:35:16,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-24 19:35:16,457 INFO L276 IsEmpty]: Start isEmpty. Operand 173 states and 222 transitions. [2024-10-24 19:35:16,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-10-24 19:35:16,457 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:16,457 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:16,458 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-24 19:35:16,458 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:16,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:16,458 INFO L85 PathProgramCache]: Analyzing trace with hash 1973032449, now seen corresponding path program 1 times [2024-10-24 19:35:16,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:16,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1392378310] [2024-10-24 19:35:16,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,459 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:16,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:16,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,520 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2024-10-24 19:35:16,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:16,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1392378310] [2024-10-24 19:35:16,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1392378310] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:16,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:16,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:16,521 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [170870992] [2024-10-24 19:35:16,521 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:16,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:16,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:16,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:16,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:16,522 INFO L87 Difference]: Start difference. First operand 173 states and 222 transitions. Second operand has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-24 19:35:16,596 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,596 INFO L93 Difference]: Finished difference Result 191 states and 245 transitions. [2024-10-24 19:35:16,596 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:35:16,597 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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 21 [2024-10-24 19:35:16,597 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,599 INFO L225 Difference]: With dead ends: 191 [2024-10-24 19:35:16,599 INFO L226 Difference]: Without dead ends: 189 [2024-10-24 19:35:16,601 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:16,602 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 118 mSDsluCounter, 179 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 121 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,602 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [121 Valid, 254 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:16,602 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-24 19:35:16,611 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 164. [2024-10-24 19:35:16,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 164 states, 145 states have (on average 1.3862068965517242) internal successors, (201), 156 states have internal predecessors, (201), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 209 transitions. [2024-10-24 19:35:16,613 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 209 transitions. Word has length 21 [2024-10-24 19:35:16,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,614 INFO L471 AbstractCegarLoop]: Abstraction has 164 states and 209 transitions. [2024-10-24 19:35:16,614 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.25) internal successors, (13), 4 states have internal predecessors, (13), 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) [2024-10-24 19:35:16,615 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 209 transitions. [2024-10-24 19:35:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 19:35:16,615 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:16,616 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:16,616 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-10-24 19:35:16,616 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:16,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:16,617 INFO L85 PathProgramCache]: Analyzing trace with hash -167465809, now seen corresponding path program 1 times [2024-10-24 19:35:16,618 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:16,618 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [643840892] [2024-10-24 19:35:16,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,618 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:16,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,673 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,680 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:16,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 19:35:16,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,692 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 19:35:16,692 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:16,692 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [643840892] [2024-10-24 19:35:16,692 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [643840892] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:16,692 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:16,692 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:16,693 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [249567091] [2024-10-24 19:35:16,693 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:16,693 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:16,693 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:16,694 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:16,694 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:16,694 INFO L87 Difference]: Start difference. First operand 164 states and 209 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 19:35:16,780 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,781 INFO L93 Difference]: Finished difference Result 180 states and 232 transitions. [2024-10-24 19:35:16,781 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:35:16,781 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-24 19:35:16,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,783 INFO L225 Difference]: With dead ends: 180 [2024-10-24 19:35:16,783 INFO L226 Difference]: Without dead ends: 178 [2024-10-24 19:35:16,784 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:16,785 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 116 mSDsluCounter, 174 mSDsCounter, 0 mSdLazyCounter, 74 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 118 SdHoareTripleChecker+Valid, 247 SdHoareTripleChecker+Invalid, 80 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 74 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,786 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [118 Valid, 247 Invalid, 80 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 74 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:16,787 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 178 states. [2024-10-24 19:35:16,795 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 178 to 155. [2024-10-24 19:35:16,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 138 states have (on average 1.3768115942028984) internal successors, (190), 147 states have internal predecessors, (190), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:16,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 198 transitions. [2024-10-24 19:35:16,796 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 198 transitions. Word has length 27 [2024-10-24 19:35:16,797 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,797 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 198 transitions. [2024-10-24 19:35:16,797 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 19:35:16,797 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 198 transitions. [2024-10-24 19:35:16,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2024-10-24 19:35:16,798 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:16,798 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:16,798 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-10-24 19:35:16,799 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:16,799 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:16,799 INFO L85 PathProgramCache]: Analyzing trace with hash -196093165, now seen corresponding path program 1 times [2024-10-24 19:35:16,800 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:16,800 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [218374690] [2024-10-24 19:35:16,800 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,800 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:16,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,844 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:16,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,850 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:16,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,855 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 19:35:16,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:16,860 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-24 19:35:16,860 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:16,861 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [218374690] [2024-10-24 19:35:16,861 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [218374690] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:16,861 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:16,861 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:16,861 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [837120491] [2024-10-24 19:35:16,861 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:16,862 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:16,862 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:16,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:16,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:16,863 INFO L87 Difference]: Start difference. First operand 155 states and 198 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 19:35:16,937 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:16,937 INFO L93 Difference]: Finished difference Result 171 states and 221 transitions. [2024-10-24 19:35:16,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:35:16,938 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 27 [2024-10-24 19:35:16,938 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:16,939 INFO L225 Difference]: With dead ends: 171 [2024-10-24 19:35:16,939 INFO L226 Difference]: Without dead ends: 169 [2024-10-24 19:35:16,939 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:16,940 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 117 mSDsluCounter, 173 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 119 SdHoareTripleChecker+Valid, 245 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:16,940 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [119 Valid, 245 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:16,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 169 states. [2024-10-24 19:35:16,945 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 169 to 144. [2024-10-24 19:35:16,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 129 states have (on average 1.372093023255814) internal successors, (177), 136 states have internal predecessors, (177), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:16,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 185 transitions. [2024-10-24 19:35:16,947 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 185 transitions. Word has length 27 [2024-10-24 19:35:16,948 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:16,949 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 185 transitions. [2024-10-24 19:35:16,949 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, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-10-24 19:35:16,949 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 185 transitions. [2024-10-24 19:35:16,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-10-24 19:35:16,951 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:16,951 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:16,951 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-10-24 19:35:16,952 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:16,952 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:16,952 INFO L85 PathProgramCache]: Analyzing trace with hash 1098271333, now seen corresponding path program 1 times [2024-10-24 19:35:16,953 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:16,953 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548276633] [2024-10-24 19:35:16,953 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:16,953 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,033 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:17,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:17,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,064 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 13 [2024-10-24 19:35:17,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,068 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 19 [2024-10-24 19:35:17,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,075 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 19:35:17,076 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:17,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548276633] [2024-10-24 19:35:17,076 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548276633] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:17,076 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1965401559] [2024-10-24 19:35:17,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:17,076 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:17,076 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:17,079 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) [2024-10-24 19:35:17,081 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-24 19:35:17,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,136 INFO L255 TraceCheckSpWp]: Trace formula consists of 144 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-10-24 19:35:17,137 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:17,157 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 19:35:17,160 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:17,160 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1965401559] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:17,161 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:17,161 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-10-24 19:35:17,161 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1794728647] [2024-10-24 19:35:17,161 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:17,161 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:17,162 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:17,162 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:17,162 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:17,162 INFO L87 Difference]: Start difference. First operand 144 states and 185 transitions. Second operand has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:17,242 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:17,243 INFO L93 Difference]: Finished difference Result 322 states and 411 transitions. [2024-10-24 19:35:17,244 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:35:17,244 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 36 [2024-10-24 19:35:17,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:17,245 INFO L225 Difference]: With dead ends: 322 [2024-10-24 19:35:17,245 INFO L226 Difference]: Without dead ends: 180 [2024-10-24 19:35:17,246 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 47 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-10-24 19:35:17,246 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 17 mSDsluCounter, 134 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 210 SdHoareTripleChecker+Invalid, 74 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:17,247 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 210 Invalid, 74 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:17,250 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-10-24 19:35:17,260 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 148. [2024-10-24 19:35:17,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 148 states, 132 states have (on average 1.3636363636363635) internal successors, (180), 139 states have internal predecessors, (180), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:17,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 148 states and 188 transitions. [2024-10-24 19:35:17,262 INFO L78 Accepts]: Start accepts. Automaton has 148 states and 188 transitions. Word has length 36 [2024-10-24 19:35:17,263 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:17,263 INFO L471 AbstractCegarLoop]: Abstraction has 148 states and 188 transitions. [2024-10-24 19:35:17,263 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 6.25) internal successors, (25), 4 states have internal predecessors, (25), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:17,263 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 188 transitions. [2024-10-24 19:35:17,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-10-24 19:35:17,264 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:17,264 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:17,280 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-24 19:35:17,465 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:17,465 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:17,466 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:17,466 INFO L85 PathProgramCache]: Analyzing trace with hash 438456409, now seen corresponding path program 1 times [2024-10-24 19:35:17,466 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:17,466 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2027526057] [2024-10-24 19:35:17,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:17,466 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:17,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,553 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:17,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:17,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,604 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-24 19:35:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:17,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,613 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 19:35:17,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2027526057] [2024-10-24 19:35:17,614 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2027526057] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:17,614 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1265526785] [2024-10-24 19:35:17,614 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:17,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:17,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:17,617 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) [2024-10-24 19:35:17,618 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-24 19:35:17,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:17,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:35:17,682 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:17,722 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 19 proven. 2 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 19:35:17,722 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:17,825 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 19:35:17,825 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1265526785] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:35:17,825 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:35:17,825 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-24 19:35:17,825 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [840827748] [2024-10-24 19:35:17,825 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:35:17,826 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:35:17,826 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:17,826 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:35:17,827 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:35:17,827 INFO L87 Difference]: Start difference. First operand 148 states and 188 transitions. Second operand has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 19:35:17,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:17,970 INFO L93 Difference]: Finished difference Result 452 states and 583 transitions. [2024-10-24 19:35:17,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:35:17,970 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 44 [2024-10-24 19:35:17,970 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:17,972 INFO L225 Difference]: With dead ends: 452 [2024-10-24 19:35:17,972 INFO L226 Difference]: Without dead ends: 347 [2024-10-24 19:35:17,972 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:35:17,973 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 154 mSDsluCounter, 238 mSDsCounter, 0 mSdLazyCounter, 156 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 154 SdHoareTripleChecker+Valid, 311 SdHoareTripleChecker+Invalid, 168 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 156 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:17,973 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [154 Valid, 311 Invalid, 168 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 156 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:17,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 347 states. [2024-10-24 19:35:17,983 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 347 to 163. [2024-10-24 19:35:17,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 147 states have (on average 1.346938775510204) internal successors, (198), 154 states have internal predecessors, (198), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:17,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 206 transitions. [2024-10-24 19:35:17,984 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 206 transitions. Word has length 44 [2024-10-24 19:35:17,985 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:17,985 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 206 transitions. [2024-10-24 19:35:17,985 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.0) internal successors, (55), 11 states have internal predecessors, (55), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 19:35:17,985 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 206 transitions. [2024-10-24 19:35:17,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-24 19:35:17,986 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:17,986 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:18,002 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-10-24 19:35:18,189 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-24 19:35:18,190 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:18,190 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:18,191 INFO L85 PathProgramCache]: Analyzing trace with hash 391101445, now seen corresponding path program 1 times [2024-10-24 19:35:18,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:18,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1072314363] [2024-10-24 19:35:18,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:18,191 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:18,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,242 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:18,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,244 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:18,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,296 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-10-24 19:35:18,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,299 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 28 [2024-10-24 19:35:18,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 19:35:18,304 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:18,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1072314363] [2024-10-24 19:35:18,305 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1072314363] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:18,305 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1152340603] [2024-10-24 19:35:18,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:18,305 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:18,305 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:18,307 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) [2024-10-24 19:35:18,315 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-24 19:35:18,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:35:18,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:18,401 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-10-24 19:35:18,402 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:18,515 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 3 proven. 9 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 19:35:18,515 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1152340603] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:35:18,516 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:35:18,516 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-10-24 19:35:18,516 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [162336854] [2024-10-24 19:35:18,516 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:35:18,516 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:35:18,517 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:18,518 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:35:18,518 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:35:18,518 INFO L87 Difference]: Start difference. First operand 163 states and 206 transitions. Second operand has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 19:35:18,657 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:18,657 INFO L93 Difference]: Finished difference Result 465 states and 608 transitions. [2024-10-24 19:35:18,658 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:35:18,658 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 45 [2024-10-24 19:35:18,658 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:18,660 INFO L225 Difference]: With dead ends: 465 [2024-10-24 19:35:18,660 INFO L226 Difference]: Without dead ends: 360 [2024-10-24 19:35:18,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 92 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:35:18,661 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 207 mSDsluCounter, 228 mSDsCounter, 0 mSdLazyCounter, 144 mSolverCounterSat, 12 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 207 SdHoareTripleChecker+Valid, 301 SdHoareTripleChecker+Invalid, 156 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 12 IncrementalHoareTripleChecker+Valid, 144 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:18,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [207 Valid, 301 Invalid, 156 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [12 Valid, 144 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:18,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 360 states. [2024-10-24 19:35:18,671 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 360 to 178. [2024-10-24 19:35:18,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 178 states, 162 states have (on average 1.3333333333333333) internal successors, (216), 169 states have internal predecessors, (216), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:18,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 178 states and 224 transitions. [2024-10-24 19:35:18,672 INFO L78 Accepts]: Start accepts. Automaton has 178 states and 224 transitions. Word has length 45 [2024-10-24 19:35:18,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:18,673 INFO L471 AbstractCegarLoop]: Abstraction has 178 states and 224 transitions. [2024-10-24 19:35:18,673 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.2727272727272725) internal successors, (58), 11 states have internal predecessors, (58), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-10-24 19:35:18,673 INFO L276 IsEmpty]: Start isEmpty. Operand 178 states and 224 transitions. [2024-10-24 19:35:18,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 47 [2024-10-24 19:35:18,673 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:18,674 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:18,687 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-10-24 19:35:18,874 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 [2024-10-24 19:35:18,875 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:18,875 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:18,875 INFO L85 PathProgramCache]: Analyzing trace with hash -1628061037, now seen corresponding path program 1 times [2024-10-24 19:35:18,875 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:18,875 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [869573148] [2024-10-24 19:35:18,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:18,876 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:18,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,900 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:18,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,903 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:18,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-10-24 19:35:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-10-24 19:35:18,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:18,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:18,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [869573148] [2024-10-24 19:35:18,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [869573148] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:18,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1851990789] [2024-10-24 19:35:18,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:18,927 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:18,927 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:18,928 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) [2024-10-24 19:35:18,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-24 19:35:18,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:18,989 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-10-24 19:35:18,990 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:19,001 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 19:35:19,001 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:19,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1851990789] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:19,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:19,002 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-10-24 19:35:19,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [405157910] [2024-10-24 19:35:19,002 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:19,002 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:19,003 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:19,003 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:19,003 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,003 INFO L87 Difference]: Start difference. First operand 178 states and 224 transitions. Second operand has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:19,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:19,048 INFO L93 Difference]: Finished difference Result 307 states and 388 transitions. [2024-10-24 19:35:19,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:19,048 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 46 [2024-10-24 19:35:19,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:19,049 INFO L225 Difference]: With dead ends: 307 [2024-10-24 19:35:19,049 INFO L226 Difference]: Without dead ends: 192 [2024-10-24 19:35:19,050 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 55 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-24 19:35:19,050 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 6 mSDsluCounter, 68 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 156 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:19,051 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 156 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:19,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-10-24 19:35:19,060 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 183. [2024-10-24 19:35:19,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 167 states have (on average 1.3173652694610778) internal successors, (220), 174 states have internal predecessors, (220), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:19,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 228 transitions. [2024-10-24 19:35:19,061 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 228 transitions. Word has length 46 [2024-10-24 19:35:19,061 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:19,062 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 228 transitions. [2024-10-24 19:35:19,062 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.0) internal successors, (33), 3 states have internal predecessors, (33), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:19,062 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 228 transitions. [2024-10-24 19:35:19,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2024-10-24 19:35:19,062 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:19,063 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:19,079 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-24 19:35:19,266 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:19,267 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:19,267 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:19,267 INFO L85 PathProgramCache]: Analyzing trace with hash -970630302, now seen corresponding path program 1 times [2024-10-24 19:35:19,268 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:19,268 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [627679155] [2024-10-24 19:35:19,268 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:19,268 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:19,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,347 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-10-24 19:35:19,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-10-24 19:35:19,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,415 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-10-24 19:35:19,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:19,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [627679155] [2024-10-24 19:35:19,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [627679155] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:19,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1446231594] [2024-10-24 19:35:19,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:19,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:19,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:19,418 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) [2024-10-24 19:35:19,420 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-24 19:35:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:19,472 INFO L255 TraceCheckSpWp]: Trace formula consists of 159 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 19:35:19,478 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:19,538 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:19,538 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:19,639 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:19,639 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1446231594] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:35:19,639 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:35:19,639 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 17 [2024-10-24 19:35:19,640 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [990829814] [2024-10-24 19:35:19,640 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:35:19,640 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 19:35:19,640 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:19,641 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 19:35:19,641 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-10-24 19:35:19,641 INFO L87 Difference]: Start difference. First operand 183 states and 228 transitions. Second operand has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 19:35:19,929 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:19,929 INFO L93 Difference]: Finished difference Result 360 states and 449 transitions. [2024-10-24 19:35:19,930 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 19:35:19,930 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 47 [2024-10-24 19:35:19,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:19,931 INFO L225 Difference]: With dead ends: 360 [2024-10-24 19:35:19,931 INFO L226 Difference]: Without dead ends: 200 [2024-10-24 19:35:19,932 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 112 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 65 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=473, Unknown=0, NotChecked=0, Total=552 [2024-10-24 19:35:19,932 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 42 mSDsluCounter, 912 mSDsCounter, 0 mSdLazyCounter, 389 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 42 SdHoareTripleChecker+Valid, 985 SdHoareTripleChecker+Invalid, 395 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 389 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:19,933 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [42 Valid, 985 Invalid, 395 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 389 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:19,933 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-10-24 19:35:19,941 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 150. [2024-10-24 19:35:19,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 150 states, 134 states have (on average 1.3134328358208955) internal successors, (176), 141 states have internal predecessors, (176), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:19,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 150 states and 184 transitions. [2024-10-24 19:35:19,942 INFO L78 Accepts]: Start accepts. Automaton has 150 states and 184 transitions. Word has length 47 [2024-10-24 19:35:19,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:19,943 INFO L471 AbstractCegarLoop]: Abstraction has 150 states and 184 transitions. [2024-10-24 19:35:19,943 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 3.8666666666666667) internal successors, (58), 15 states have internal predecessors, (58), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 19:35:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 184 transitions. [2024-10-24 19:35:19,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-10-24 19:35:19,944 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:19,944 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:19,958 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-10-24 19:35:20,144 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-10-24 19:35:20,145 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:20,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:20,145 INFO L85 PathProgramCache]: Analyzing trace with hash 1764059708, now seen corresponding path program 1 times [2024-10-24 19:35:20,145 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:20,145 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1726020785] [2024-10-24 19:35:20,145 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:20,145 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:20,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:20,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,234 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:20,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-10-24 19:35:20,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,278 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2024-10-24 19:35:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 2 proven. 4 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 19:35:20,283 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:20,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1726020785] [2024-10-24 19:35:20,283 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1726020785] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:20,283 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [203131592] [2024-10-24 19:35:20,283 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:20,283 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:20,283 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:20,285 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) [2024-10-24 19:35:20,287 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-24 19:35:20,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,342 INFO L255 TraceCheckSpWp]: Trace formula consists of 170 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-24 19:35:20,344 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:20,392 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2024-10-24 19:35:20,394 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:20,394 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [203131592] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:20,394 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:20,395 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-10-24 19:35:20,395 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [285305404] [2024-10-24 19:35:20,395 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:20,395 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-24 19:35:20,396 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:20,396 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-24 19:35:20,396 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:20,396 INFO L87 Difference]: Start difference. First operand 150 states and 184 transitions. Second operand has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:20,446 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:20,447 INFO L93 Difference]: Finished difference Result 278 states and 342 transitions. [2024-10-24 19:35:20,447 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-24 19:35:20,447 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-10-24 19:35:20,447 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:20,448 INFO L225 Difference]: With dead ends: 278 [2024-10-24 19:35:20,448 INFO L226 Difference]: Without dead ends: 164 [2024-10-24 19:35:20,449 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:20,450 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 7 mSDsluCounter, 71 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 160 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:20,450 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 160 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:20,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2024-10-24 19:35:20,458 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 146. [2024-10-24 19:35:20,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 130 states have (on average 1.3) internal successors, (169), 137 states have internal predecessors, (169), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:20,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 177 transitions. [2024-10-24 19:35:20,460 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 177 transitions. Word has length 53 [2024-10-24 19:35:20,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:20,460 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 177 transitions. [2024-10-24 19:35:20,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 13.666666666666666) internal successors, (41), 3 states have internal predecessors, (41), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:20,460 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 177 transitions. [2024-10-24 19:35:20,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-10-24 19:35:20,461 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:20,461 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-10-24 19:35:20,475 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-24 19:35:20,665 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-10-24 19:35:20,666 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:20,666 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:20,666 INFO L85 PathProgramCache]: Analyzing trace with hash -832973797, now seen corresponding path program 1 times [2024-10-24 19:35:20,666 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:20,666 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1823455289] [2024-10-24 19:35:20,666 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:20,666 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,760 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:20,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,767 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,770 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:35:20,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:20,785 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 19:35:20,785 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:20,785 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1823455289] [2024-10-24 19:35:20,785 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1823455289] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:20,785 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:20,786 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2024-10-24 19:35:20,787 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [577604993] [2024-10-24 19:35:20,787 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:20,788 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-10-24 19:35:20,788 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:20,788 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-10-24 19:35:20,788 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:20,788 INFO L87 Difference]: Start difference. First operand 146 states and 177 transitions. Second operand has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:20,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:20,822 INFO L93 Difference]: Finished difference Result 192 states and 228 transitions. [2024-10-24 19:35:20,822 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-24 19:35:20,822 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2024-10-24 19:35:20,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:20,823 INFO L225 Difference]: With dead ends: 192 [2024-10-24 19:35:20,823 INFO L226 Difference]: Without dead ends: 148 [2024-10-24 19:35:20,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:20,823 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 1 mSDsluCounter, 342 mSDsCounter, 0 mSdLazyCounter, 28 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 430 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 28 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:20,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 430 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 28 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:20,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 148 states. [2024-10-24 19:35:20,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 148 to 146. [2024-10-24 19:35:20,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 130 states have (on average 1.2846153846153847) internal successors, (167), 137 states have internal predecessors, (167), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-10-24 19:35:20,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 175 transitions. [2024-10-24 19:35:20,833 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 175 transitions. Word has length 54 [2024-10-24 19:35:20,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:20,834 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 175 transitions. [2024-10-24 19:35:20,834 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 8.0) internal successors, (40), 5 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:20,834 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 175 transitions. [2024-10-24 19:35:20,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 19:35:20,835 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:20,835 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:20,835 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2024-10-24 19:35:20,835 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:20,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:20,836 INFO L85 PathProgramCache]: Analyzing trace with hash 715066956, now seen corresponding path program 2 times [2024-10-24 19:35:20,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:20,836 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [18852299] [2024-10-24 19:35:20,836 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:20,836 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:20,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,221 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:21,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,224 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:21,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,230 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,261 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:35:21,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,266 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:35:21,266 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:21,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [18852299] [2024-10-24 19:35:21,266 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [18852299] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:21,266 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1752165117] [2024-10-24 19:35:21,267 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-24 19:35:21,267 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:21,267 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:21,272 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:21,275 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-24 19:35:21,323 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-10-24 19:35:21,323 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-24 19:35:21,324 INFO L255 TraceCheckSpWp]: Trace formula consists of 87 conjuncts, 21 conjuncts are in the unsatisfiable core [2024-10-24 19:35:21,327 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:21,540 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:35:21,540 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:21,540 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1752165117] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:21,540 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:21,540 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [11] total 15 [2024-10-24 19:35:21,540 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2054102739] [2024-10-24 19:35:21,540 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:21,541 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 19:35:21,541 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:21,541 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 19:35:21,541 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:35:21,541 INFO L87 Difference]: Start difference. First operand 146 states and 175 transitions. Second operand has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:21,658 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:21,658 INFO L93 Difference]: Finished difference Result 178 states and 211 transitions. [2024-10-24 19:35:21,659 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:35:21,659 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 58 [2024-10-24 19:35:21,659 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:21,660 INFO L225 Difference]: With dead ends: 178 [2024-10-24 19:35:21,660 INFO L226 Difference]: Without dead ends: 176 [2024-10-24 19:35:21,660 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 61 SyntacticMatches, 2 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=207, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:35:21,661 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 17 mSDsluCounter, 537 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 621 SdHoareTripleChecker+Invalid, 176 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:21,661 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 621 Invalid, 176 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:21,661 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2024-10-24 19:35:21,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 165. [2024-10-24 19:35:21,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 165 states, 148 states have (on average 1.2702702702702702) internal successors, (188), 155 states have internal predecessors, (188), 4 states have call successors, (4), 4 states have call predecessors, (4), 5 states have return successors, (5), 5 states have call predecessors, (5), 4 states have call successors, (5) [2024-10-24 19:35:21,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 197 transitions. [2024-10-24 19:35:21,674 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 197 transitions. Word has length 58 [2024-10-24 19:35:21,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:21,674 INFO L471 AbstractCegarLoop]: Abstraction has 165 states and 197 transitions. [2024-10-24 19:35:21,674 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 8 states have (on average 5.0) internal successors, (40), 9 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:21,675 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 197 transitions. [2024-10-24 19:35:21,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-10-24 19:35:21,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:21,675 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:21,692 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Forceful destruction successful, exit code 0 [2024-10-24 19:35:21,879 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:21,880 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:21,880 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:21,880 INFO L85 PathProgramCache]: Analyzing trace with hash 1416131534, now seen corresponding path program 1 times [2024-10-24 19:35:21,880 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:21,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1548950971] [2024-10-24 19:35:21,881 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:21,881 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:21,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,937 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:21,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:21,940 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,032 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,037 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:35:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,041 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 19:35:22,042 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:22,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1548950971] [2024-10-24 19:35:22,042 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1548950971] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:22,042 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1998681672] [2024-10-24 19:35:22,043 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:22,043 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:22,043 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:22,045 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:22,047 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-10-24 19:35:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 166 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-24 19:35:22,121 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:22,257 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-10-24 19:35:22,258 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:22,258 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1998681672] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:22,258 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:22,259 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 13 [2024-10-24 19:35:22,259 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [885215376] [2024-10-24 19:35:22,259 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:22,259 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-10-24 19:35:22,259 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:22,260 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-10-24 19:35:22,260 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=130, Unknown=0, NotChecked=0, Total=156 [2024-10-24 19:35:22,261 INFO L87 Difference]: Start difference. First operand 165 states and 197 transitions. Second operand has 10 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:22,431 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:22,431 INFO L93 Difference]: Finished difference Result 265 states and 312 transitions. [2024-10-24 19:35:22,432 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-10-24 19:35:22,432 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 58 [2024-10-24 19:35:22,432 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:22,433 INFO L225 Difference]: With dead ends: 265 [2024-10-24 19:35:22,433 INFO L226 Difference]: Without dead ends: 227 [2024-10-24 19:35:22,434 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:35:22,435 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 73 mSDsluCounter, 588 mSDsCounter, 0 mSdLazyCounter, 162 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 665 SdHoareTripleChecker+Invalid, 163 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 162 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:22,435 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 665 Invalid, 163 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 162 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:22,436 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2024-10-24 19:35:22,450 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 185. [2024-10-24 19:35:22,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 166 states have (on average 1.2530120481927711) internal successors, (208), 173 states have internal predecessors, (208), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:22,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2024-10-24 19:35:22,452 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 58 [2024-10-24 19:35:22,452 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:22,452 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2024-10-24 19:35:22,453 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 7 states have (on average 5.571428571428571) internal successors, (39), 8 states have internal predecessors, (39), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2024-10-24 19:35:22,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2024-10-24 19:35:22,453 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:22,453 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:22,467 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Ended with exit code 0 [2024-10-24 19:35:22,657 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-10-24 19:35:22,658 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:22,658 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:22,658 INFO L85 PathProgramCache]: Analyzing trace with hash 950404783, now seen corresponding path program 1 times [2024-10-24 19:35:22,658 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:22,659 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [520560963] [2024-10-24 19:35:22,659 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:22,659 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:22,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,936 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,938 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:22,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,943 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:22,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,945 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:35:22,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:22,966 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:35:22,966 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:22,966 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [520560963] [2024-10-24 19:35:22,966 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [520560963] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:22,967 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:22,967 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2024-10-24 19:35:22,967 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [839132870] [2024-10-24 19:35:22,967 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:22,967 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-10-24 19:35:22,967 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:22,968 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-10-24 19:35:22,968 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=56, Unknown=0, NotChecked=0, Total=72 [2024-10-24 19:35:22,968 INFO L87 Difference]: Start difference. First operand 185 states and 221 transitions. Second operand has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:23,058 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:23,059 INFO L93 Difference]: Finished difference Result 201 states and 240 transitions. [2024-10-24 19:35:23,059 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:35:23,059 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 59 [2024-10-24 19:35:23,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:23,060 INFO L225 Difference]: With dead ends: 201 [2024-10-24 19:35:23,060 INFO L226 Difference]: Without dead ends: 200 [2024-10-24 19:35:23,061 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 9 SyntacticMatches, 2 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=69, Unknown=0, NotChecked=0, Total=90 [2024-10-24 19:35:23,061 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 17 mSDsluCounter, 445 mSDsCounter, 0 mSdLazyCounter, 130 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 526 SdHoareTripleChecker+Invalid, 130 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:23,061 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 526 Invalid, 130 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 130 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:23,062 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 200 states. [2024-10-24 19:35:23,088 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 200 to 185. [2024-10-24 19:35:23,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 166 states have (on average 1.2590361445783131) internal successors, (209), 173 states have internal predecessors, (209), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:23,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 222 transitions. [2024-10-24 19:35:23,090 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 222 transitions. Word has length 59 [2024-10-24 19:35:23,090 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:23,091 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 222 transitions. [2024-10-24 19:35:23,091 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 7 states have (on average 5.857142857142857) internal successors, (41), 8 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:23,091 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 222 transitions. [2024-10-24 19:35:23,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2024-10-24 19:35:23,092 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:23,092 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:23,092 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2024-10-24 19:35:23,092 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:23,093 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:23,093 INFO L85 PathProgramCache]: Analyzing trace with hash -602222608, now seen corresponding path program 1 times [2024-10-24 19:35:23,093 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:23,093 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [65353122] [2024-10-24 19:35:23,093 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:23,093 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:23,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,130 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:23,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,132 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:23,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:23,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,140 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:35:23,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,143 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2024-10-24 19:35:23,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:23,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [65353122] [2024-10-24 19:35:23,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [65353122] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:23,143 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:23,143 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:23,143 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [279772932] [2024-10-24 19:35:23,144 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:23,144 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:23,144 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:23,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:23,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:23,145 INFO L87 Difference]: Start difference. First operand 185 states and 222 transitions. Second operand has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:23,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:23,188 INFO L93 Difference]: Finished difference Result 185 states and 222 transitions. [2024-10-24 19:35:23,188 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:23,188 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 60 [2024-10-24 19:35:23,189 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:23,189 INFO L225 Difference]: With dead ends: 185 [2024-10-24 19:35:23,189 INFO L226 Difference]: Without dead ends: 182 [2024-10-24 19:35:23,190 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:23,190 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 29 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 49 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:23,190 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 186 Invalid, 49 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:23,190 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-24 19:35:23,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 182. [2024-10-24 19:35:23,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 182 states, 166 states have (on average 1.2409638554216869) internal successors, (206), 170 states have internal predecessors, (206), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:23,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 182 states to 182 states and 219 transitions. [2024-10-24 19:35:23,200 INFO L78 Accepts]: Start accepts. Automaton has 182 states and 219 transitions. Word has length 60 [2024-10-24 19:35:23,200 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:23,200 INFO L471 AbstractCegarLoop]: Abstraction has 182 states and 219 transitions. [2024-10-24 19:35:23,200 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 13.333333333333334) internal successors, (40), 4 states have internal predecessors, (40), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:23,201 INFO L276 IsEmpty]: Start isEmpty. Operand 182 states and 219 transitions. [2024-10-24 19:35:23,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2024-10-24 19:35:23,201 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:23,201 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:23,201 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-10-24 19:35:23,202 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:23,202 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:23,202 INFO L85 PathProgramCache]: Analyzing trace with hash -1489031471, now seen corresponding path program 1 times [2024-10-24 19:35:23,202 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:23,202 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1586897247] [2024-10-24 19:35:23,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:23,203 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,265 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:23,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,268 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:23,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,304 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-10-24 19:35:23,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,307 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2024-10-24 19:35:23,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,309 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 8 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 19:35:23,309 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:23,309 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1586897247] [2024-10-24 19:35:23,310 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1586897247] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:23,310 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2079776628] [2024-10-24 19:35:23,310 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:23,310 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:23,310 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:23,311 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:23,313 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-10-24 19:35:23,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:23,391 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 19:35:23,393 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:23,437 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:35:23,438 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:23,563 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-10-24 19:35:23,563 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2079776628] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-24 19:35:23,563 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-24 19:35:23,563 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 17 [2024-10-24 19:35:23,564 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1438247839] [2024-10-24 19:35:23,564 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-24 19:35:23,564 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-24 19:35:23,564 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:23,564 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-24 19:35:23,565 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=233, Unknown=0, NotChecked=0, Total=272 [2024-10-24 19:35:23,565 INFO L87 Difference]: Start difference. First operand 182 states and 219 transitions. Second operand has 17 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 19:35:23,864 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:23,865 INFO L93 Difference]: Finished difference Result 442 states and 527 transitions. [2024-10-24 19:35:23,865 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-10-24 19:35:23,865 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 61 [2024-10-24 19:35:23,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:23,866 INFO L225 Difference]: With dead ends: 442 [2024-10-24 19:35:23,866 INFO L226 Difference]: Without dead ends: 293 [2024-10-24 19:35:23,867 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 118 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2024-10-24 19:35:23,867 INFO L432 NwaCegarLoop]: 64 mSDtfsCounter, 100 mSDsluCounter, 625 mSDsCounter, 0 mSdLazyCounter, 340 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 100 SdHoareTripleChecker+Valid, 689 SdHoareTripleChecker+Invalid, 349 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 340 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:23,868 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [100 Valid, 689 Invalid, 349 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 340 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-24 19:35:23,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 293 states. [2024-10-24 19:35:23,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 293 to 192. [2024-10-24 19:35:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 176 states have (on average 1.2215909090909092) internal successors, (215), 179 states have internal predecessors, (215), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:23,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 228 transitions. [2024-10-24 19:35:23,879 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 228 transitions. Word has length 61 [2024-10-24 19:35:23,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:23,879 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 228 transitions. [2024-10-24 19:35:23,879 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 15 states have (on average 5.133333333333334) internal successors, (77), 15 states have internal predecessors, (77), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-10-24 19:35:23,879 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 228 transitions. [2024-10-24 19:35:23,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-10-24 19:35:23,880 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:23,880 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-10-24 19:35:23,893 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Ended with exit code 0 [2024-10-24 19:35:24,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable23 [2024-10-24 19:35:24,081 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:24,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:24,081 INFO L85 PathProgramCache]: Analyzing trace with hash 1434371480, now seen corresponding path program 1 times [2024-10-24 19:35:24,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:24,081 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1452627672] [2024-10-24 19:35:24,081 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:24,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:24,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,161 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:24,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,164 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:24,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,266 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:24,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,270 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:35:24,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,274 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 19:35:24,275 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:24,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1452627672] [2024-10-24 19:35:24,275 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1452627672] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:24,275 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [253219530] [2024-10-24 19:35:24,275 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:24,276 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:24,276 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:24,277 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:24,279 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-10-24 19:35:24,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,344 INFO L255 TraceCheckSpWp]: Trace formula consists of 183 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-10-24 19:35:24,346 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:24,475 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 19:35:24,476 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:24,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [253219530] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:24,476 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:24,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [6] total 15 [2024-10-24 19:35:24,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1541522558] [2024-10-24 19:35:24,476 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:24,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:35:24,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:24,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:35:24,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-10-24 19:35:24,478 INFO L87 Difference]: Start difference. First operand 192 states and 228 transitions. Second operand has 11 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:24,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:24,655 INFO L93 Difference]: Finished difference Result 257 states and 299 transitions. [2024-10-24 19:35:24,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-10-24 19:35:24,655 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2024-10-24 19:35:24,655 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:24,656 INFO L225 Difference]: With dead ends: 257 [2024-10-24 19:35:24,656 INFO L226 Difference]: Without dead ends: 235 [2024-10-24 19:35:24,657 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 54 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=70, Invalid=350, Unknown=0, NotChecked=0, Total=420 [2024-10-24 19:35:24,657 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 63 mSDsluCounter, 590 mSDsCounter, 0 mSdLazyCounter, 142 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 64 SdHoareTripleChecker+Valid, 663 SdHoareTripleChecker+Invalid, 142 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 142 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:24,657 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [64 Valid, 663 Invalid, 142 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 142 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:24,660 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2024-10-24 19:35:24,669 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 198. [2024-10-24 19:35:24,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 198 states, 182 states have (on average 1.2142857142857142) internal successors, (221), 185 states have internal predecessors, (221), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:24,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 234 transitions. [2024-10-24 19:35:24,674 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 234 transitions. Word has length 68 [2024-10-24 19:35:24,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:24,674 INFO L471 AbstractCegarLoop]: Abstraction has 198 states and 234 transitions. [2024-10-24 19:35:24,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.0) internal successors, (45), 9 states have internal predecessors, (45), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:24,675 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 234 transitions. [2024-10-24 19:35:24,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 19:35:24,675 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:24,675 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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] [2024-10-24 19:35:24,692 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-10-24 19:35:24,876 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable24 [2024-10-24 19:35:24,879 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:24,879 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:24,879 INFO L85 PathProgramCache]: Analyzing trace with hash 451272309, now seen corresponding path program 1 times [2024-10-24 19:35:24,879 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:24,880 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1937813603] [2024-10-24 19:35:24,880 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:24,880 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:24,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,967 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:24,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:24,975 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:24,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,045 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,048 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:35:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,052 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 3 proven. 13 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2024-10-24 19:35:25,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1937813603] [2024-10-24 19:35:25,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1937813603] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:25,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [721275873] [2024-10-24 19:35:25,052 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:25,053 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:25,053 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:25,055 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:25,057 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-10-24 19:35:25,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,117 INFO L255 TraceCheckSpWp]: Trace formula consists of 186 conjuncts, 35 conjuncts are in the unsatisfiable core [2024-10-24 19:35:25,119 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:25,253 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-10-24 19:35:25,253 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:25,253 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [721275873] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:25,253 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:25,253 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [6] total 15 [2024-10-24 19:35:25,254 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [528438149] [2024-10-24 19:35:25,254 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:25,254 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-10-24 19:35:25,254 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:25,254 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-10-24 19:35:25,254 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2024-10-24 19:35:25,255 INFO L87 Difference]: Start difference. First operand 198 states and 234 transitions. Second operand has 11 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:25,413 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:25,414 INFO L93 Difference]: Finished difference Result 238 states and 277 transitions. [2024-10-24 19:35:25,414 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-10-24 19:35:25,414 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 70 [2024-10-24 19:35:25,415 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:25,416 INFO L225 Difference]: With dead ends: 238 [2024-10-24 19:35:25,416 INFO L226 Difference]: Without dead ends: 237 [2024-10-24 19:35:25,416 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 71 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 43 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=294, Unknown=0, NotChecked=0, Total=342 [2024-10-24 19:35:25,417 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 60 mSDsluCounter, 627 mSDsCounter, 0 mSdLazyCounter, 189 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 700 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 189 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:25,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 700 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 189 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:25,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2024-10-24 19:35:25,426 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 205. [2024-10-24 19:35:25,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 189 states have (on average 1.2063492063492063) internal successors, (228), 192 states have internal predecessors, (228), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:25,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 241 transitions. [2024-10-24 19:35:25,428 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 241 transitions. Word has length 70 [2024-10-24 19:35:25,428 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:25,428 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 241 transitions. [2024-10-24 19:35:25,428 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 8 states have (on average 5.875) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-10-24 19:35:25,429 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 241 transitions. [2024-10-24 19:35:25,429 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-10-24 19:35:25,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:25,430 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:25,445 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-10-24 19:35:25,633 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:25,634 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:25,634 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:25,634 INFO L85 PathProgramCache]: Analyzing trace with hash 556450530, now seen corresponding path program 1 times [2024-10-24 19:35:25,634 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:25,635 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2097491713] [2024-10-24 19:35:25,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:25,635 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:25,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,729 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:25,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,731 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:25,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:25,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,816 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 19:35:25,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,818 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:25,819 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2097491713] [2024-10-24 19:35:25,819 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2097491713] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:25,819 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1050479323] [2024-10-24 19:35:25,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:25,819 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:25,819 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:25,821 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:25,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-10-24 19:35:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:25,959 INFO L255 TraceCheckSpWp]: Trace formula consists of 187 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-24 19:35:25,961 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:26,016 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 19:35:26,016 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:26,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1050479323] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:26,016 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:26,017 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [6] total 11 [2024-10-24 19:35:26,017 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [627800026] [2024-10-24 19:35:26,017 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:26,017 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:35:26,017 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:26,018 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:35:26,018 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=87, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:35:26,018 INFO L87 Difference]: Start difference. First operand 205 states and 241 transitions. Second operand has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:26,081 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:26,082 INFO L93 Difference]: Finished difference Result 228 states and 266 transitions. [2024-10-24 19:35:26,082 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-10-24 19:35:26,082 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 70 [2024-10-24 19:35:26,082 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:26,083 INFO L225 Difference]: With dead ends: 228 [2024-10-24 19:35:26,083 INFO L226 Difference]: Without dead ends: 205 [2024-10-24 19:35:26,084 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 85 GetRequests, 75 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:35:26,084 INFO L432 NwaCegarLoop]: 78 mSDtfsCounter, 7 mSDsluCounter, 383 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 461 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:26,085 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 461 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:26,085 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 205 states. [2024-10-24 19:35:26,094 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 205 to 205. [2024-10-24 19:35:26,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 205 states, 189 states have (on average 1.2010582010582012) internal successors, (227), 192 states have internal predecessors, (227), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:26,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 205 states to 205 states and 240 transitions. [2024-10-24 19:35:26,096 INFO L78 Accepts]: Start accepts. Automaton has 205 states and 240 transitions. Word has length 70 [2024-10-24 19:35:26,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:26,096 INFO L471 AbstractCegarLoop]: Abstraction has 205 states and 240 transitions. [2024-10-24 19:35:26,096 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 6.833333333333333) internal successors, (41), 6 states have internal predecessors, (41), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:26,096 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 240 transitions. [2024-10-24 19:35:26,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-10-24 19:35:26,097 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:26,097 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:26,113 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-10-24 19:35:26,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-10-24 19:35:26,298 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:26,298 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:26,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1988530023, now seen corresponding path program 1 times [2024-10-24 19:35:26,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:26,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1802322567] [2024-10-24 19:35:26,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:26,299 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:26,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:26,378 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:26,380 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:26,460 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:26,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:26,463 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:35:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:26,469 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:26,469 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:26,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1802322567] [2024-10-24 19:35:26,469 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1802322567] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:26,469 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [842119105] [2024-10-24 19:35:26,470 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:26,470 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:26,470 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:26,471 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:26,473 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-10-24 19:35:26,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:26,577 INFO L255 TraceCheckSpWp]: Trace formula consists of 190 conjuncts, 20 conjuncts are in the unsatisfiable core [2024-10-24 19:35:26,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:26,796 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 19:35:26,796 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-24 19:35:26,894 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-24 19:35:26,895 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [842119105] provided 1 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:26,895 INFO L185 FreeRefinementEngine]: Found 1 perfect and 2 imperfect interpolant sequences. [2024-10-24 19:35:26,895 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [6, 9] total 16 [2024-10-24 19:35:26,895 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81306806] [2024-10-24 19:35:26,895 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:26,895 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:26,895 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:26,896 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:26,896 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:35:26,896 INFO L87 Difference]: Start difference. First operand 205 states and 240 transitions. Second operand has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:26,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:26,945 INFO L93 Difference]: Finished difference Result 205 states and 240 transitions. [2024-10-24 19:35:26,945 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:26,946 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 72 [2024-10-24 19:35:26,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:26,946 INFO L225 Difference]: With dead ends: 205 [2024-10-24 19:35:26,947 INFO L226 Difference]: Without dead ends: 204 [2024-10-24 19:35:26,947 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 143 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=37, Invalid=203, Unknown=0, NotChecked=0, Total=240 [2024-10-24 19:35:26,947 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 18 mSDsluCounter, 110 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 51 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:26,947 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 183 Invalid, 51 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:26,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-10-24 19:35:26,957 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 200. [2024-10-24 19:35:26,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 200 states, 185 states have (on average 1.1945945945945946) internal successors, (221), 187 states have internal predecessors, (221), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:26,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 200 states and 234 transitions. [2024-10-24 19:35:26,959 INFO L78 Accepts]: Start accepts. Automaton has 200 states and 234 transitions. Word has length 72 [2024-10-24 19:35:26,959 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:26,960 INFO L471 AbstractCegarLoop]: Abstraction has 200 states and 234 transitions. [2024-10-24 19:35:26,960 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 14.0) internal successors, (42), 4 states have internal predecessors, (42), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:26,960 INFO L276 IsEmpty]: Start isEmpty. Operand 200 states and 234 transitions. [2024-10-24 19:35:26,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 19:35:26,960 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:26,961 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:26,976 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Forceful destruction successful, exit code 0 [2024-10-24 19:35:27,164 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-10-24 19:35:27,165 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:27,165 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:27,165 INFO L85 PathProgramCache]: Analyzing trace with hash 1514888758, now seen corresponding path program 1 times [2024-10-24 19:35:27,166 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:27,166 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739553668] [2024-10-24 19:35:27,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:27,166 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:27,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,351 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:27,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,353 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:27,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,357 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,359 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:35:27,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,364 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-24 19:35:27,365 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:27,365 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739553668] [2024-10-24 19:35:27,365 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739553668] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:27,365 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:27,365 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-10-24 19:35:27,366 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1493131245] [2024-10-24 19:35:27,366 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:27,366 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-24 19:35:27,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:27,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-24 19:35:27,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-10-24 19:35:27,368 INFO L87 Difference]: Start difference. First operand 200 states and 234 transitions. Second operand has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:27,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:27,408 INFO L93 Difference]: Finished difference Result 208 states and 243 transitions. [2024-10-24 19:35:27,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-24 19:35:27,411 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 73 [2024-10-24 19:35:27,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:27,413 INFO L225 Difference]: With dead ends: 208 [2024-10-24 19:35:27,413 INFO L226 Difference]: Without dead ends: 198 [2024-10-24 19:35:27,413 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=13, Invalid=17, Unknown=0, NotChecked=0, Total=30 [2024-10-24 19:35:27,414 INFO L432 NwaCegarLoop]: 75 mSDtfsCounter, 55 mSDsluCounter, 115 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 55 SdHoareTripleChecker+Valid, 190 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:27,417 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [55 Valid, 190 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:27,418 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-10-24 19:35:27,425 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 183. [2024-10-24 19:35:27,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 170 states have (on average 1.1823529411764706) internal successors, (201), 170 states have internal predecessors, (201), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:27,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 214 transitions. [2024-10-24 19:35:27,427 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 214 transitions. Word has length 73 [2024-10-24 19:35:27,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:27,427 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 214 transitions. [2024-10-24 19:35:27,427 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 10.75) internal successors, (43), 5 states have internal predecessors, (43), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:27,427 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2024-10-24 19:35:27,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 74 [2024-10-24 19:35:27,428 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:27,428 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:27,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-10-24 19:35:27,428 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:27,429 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:27,429 INFO L85 PathProgramCache]: Analyzing trace with hash -344718337, now seen corresponding path program 1 times [2024-10-24 19:35:27,429 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:27,429 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1023735184] [2024-10-24 19:35:27,429 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:27,429 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,504 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:27,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:27,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 49 [2024-10-24 19:35:27,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,596 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:27,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:27,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1023735184] [2024-10-24 19:35:27,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1023735184] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:27,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2014393731] [2024-10-24 19:35:27,597 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:27,597 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:27,597 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:27,600 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:27,602 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-10-24 19:35:27,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:27,690 INFO L255 TraceCheckSpWp]: Trace formula consists of 198 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-10-24 19:35:27,692 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:27,732 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-10-24 19:35:27,732 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:27,733 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2014393731] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:27,733 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:27,733 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-10-24 19:35:27,733 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770357268] [2024-10-24 19:35:27,733 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:27,733 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-10-24 19:35:27,733 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:27,734 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-10-24 19:35:27,734 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2024-10-24 19:35:27,734 INFO L87 Difference]: Start difference. First operand 183 states and 214 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:27,815 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:27,815 INFO L93 Difference]: Finished difference Result 216 states and 250 transitions. [2024-10-24 19:35:27,815 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-10-24 19:35:27,816 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 73 [2024-10-24 19:35:27,816 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:27,817 INFO L225 Difference]: With dead ends: 216 [2024-10-24 19:35:27,817 INFO L226 Difference]: Without dead ends: 189 [2024-10-24 19:35:27,817 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 88 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 21 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-10-24 19:35:27,817 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 14 mSDsluCounter, 437 mSDsCounter, 0 mSdLazyCounter, 115 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 513 SdHoareTripleChecker+Invalid, 115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 115 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:27,818 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 513 Invalid, 115 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 115 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-24 19:35:27,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-10-24 19:35:27,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 183. [2024-10-24 19:35:27,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 170 states have (on average 1.1823529411764706) internal successors, (201), 170 states have internal predecessors, (201), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:27,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 214 transitions. [2024-10-24 19:35:27,828 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 214 transitions. Word has length 73 [2024-10-24 19:35:27,829 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:27,829 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 214 transitions. [2024-10-24 19:35:27,829 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 7 states have internal predecessors, (44), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:27,829 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 214 transitions. [2024-10-24 19:35:27,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2024-10-24 19:35:27,829 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:27,829 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:27,850 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Ended with exit code 0 [2024-10-24 19:35:28,030 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:28,030 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:28,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:28,031 INFO L85 PathProgramCache]: Analyzing trace with hash -185810792, now seen corresponding path program 1 times [2024-10-24 19:35:28,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:28,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [959122482] [2024-10-24 19:35:28,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:28,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:28,101 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:28,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:28,103 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:28,171 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:28,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:28,174 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:35:28,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:28,178 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 3 proven. 21 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-10-24 19:35:28,178 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:28,178 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [959122482] [2024-10-24 19:35:28,179 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [959122482] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-24 19:35:28,179 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [520746336] [2024-10-24 19:35:28,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:28,179 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:28,179 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-24 19:35:28,181 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-24 19:35:28,182 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-10-24 19:35:28,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:28,268 INFO L255 TraceCheckSpWp]: Trace formula consists of 195 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-10-24 19:35:28,269 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-24 19:35:28,981 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2024-10-24 19:35:28,981 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-24 19:35:28,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [520746336] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:28,981 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-24 19:35:28,981 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [6] total 11 [2024-10-24 19:35:28,981 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1329091239] [2024-10-24 19:35:28,982 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:28,982 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-24 19:35:28,982 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:28,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-24 19:35:28,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:35:28,982 INFO L87 Difference]: Start difference. First operand 183 states and 214 transitions. Second operand has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:33,053 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 4.00s for a HTC check with result UNKNOWN. Formula has sorts [Bool, Int], hasArrays=false, hasNonlinArith=false, quantifiers [0] [2024-10-24 19:35:33,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:33,102 INFO L93 Difference]: Finished difference Result 183 states and 214 transitions. [2024-10-24 19:35:33,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-10-24 19:35:33,103 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 75 [2024-10-24 19:35:33,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:33,103 INFO L225 Difference]: With dead ends: 183 [2024-10-24 19:35:33,104 INFO L226 Difference]: Without dead ends: 182 [2024-10-24 19:35:33,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 80 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=26, Invalid=84, Unknown=0, NotChecked=0, Total=110 [2024-10-24 19:35:33,104 INFO L432 NwaCegarLoop]: 71 mSDtfsCounter, 7 mSDsluCounter, 183 mSDsCounter, 0 mSdLazyCounter, 62 mSolverCounterSat, 1 mSolverCounterUnsat, 1 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 254 SdHoareTripleChecker+Invalid, 64 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 62 IncrementalHoareTripleChecker+Invalid, 1 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 4.1s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:33,104 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 254 Invalid, 64 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 62 Invalid, 1 Unknown, 0 Unchecked, 4.1s Time] [2024-10-24 19:35:33,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2024-10-24 19:35:33,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 169. [2024-10-24 19:35:33,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 169 states, 157 states have (on average 1.1910828025477707) internal successors, (187), 156 states have internal predecessors, (187), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-10-24 19:35:33,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 169 states to 169 states and 200 transitions. [2024-10-24 19:35:33,114 INFO L78 Accepts]: Start accepts. Automaton has 169 states and 200 transitions. Word has length 75 [2024-10-24 19:35:33,114 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:33,114 INFO L471 AbstractCegarLoop]: Abstraction has 169 states and 200 transitions. [2024-10-24 19:35:33,114 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 7.5) internal successors, (45), 7 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:33,114 INFO L276 IsEmpty]: Start isEmpty. Operand 169 states and 200 transitions. [2024-10-24 19:35:33,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2024-10-24 19:35:33,115 INFO L207 NwaCegarLoop]: Found error trace [2024-10-24 19:35:33,115 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:33,130 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-10-24 19:35:33,317 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-24 19:35:33,317 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-24 19:35:33,318 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-24 19:35:33,318 INFO L85 PathProgramCache]: Analyzing trace with hash -1190486863, now seen corresponding path program 1 times [2024-10-24 19:35:33,318 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-24 19:35:33,318 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1180860957] [2024-10-24 19:35:33,318 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-24 19:35:33,318 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-24 19:35:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:33,376 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1 [2024-10-24 19:35:33,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:33,379 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2024-10-24 19:35:33,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:33,385 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-10-24 19:35:33,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:33,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-10-24 19:35:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-24 19:35:33,391 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2024-10-24 19:35:33,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-24 19:35:33,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1180860957] [2024-10-24 19:35:33,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1180860957] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-24 19:35:33,392 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-24 19:35:33,392 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-24 19:35:33,392 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1195653237] [2024-10-24 19:35:33,392 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-24 19:35:33,392 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-24 19:35:33,392 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-24 19:35:33,393 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-24 19:35:33,393 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:33,394 INFO L87 Difference]: Start difference. First operand 169 states and 200 transitions. Second operand has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:33,418 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-24 19:35:33,418 INFO L93 Difference]: Finished difference Result 169 states and 200 transitions. [2024-10-24 19:35:33,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-24 19:35:33,419 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 82 [2024-10-24 19:35:33,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-24 19:35:33,419 INFO L225 Difference]: With dead ends: 169 [2024-10-24 19:35:33,419 INFO L226 Difference]: Without dead ends: 0 [2024-10-24 19:35:33,420 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-10-24 19:35:33,420 INFO L432 NwaCegarLoop]: 73 mSDtfsCounter, 17 mSDsluCounter, 102 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 175 SdHoareTripleChecker+Invalid, 24 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-24 19:35:33,421 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 175 Invalid, 24 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-24 19:35:33,421 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-24 19:35:33,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-24 19:35:33,422 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) [2024-10-24 19:35:33,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-24 19:35:33,422 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 82 [2024-10-24 19:35:33,422 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-24 19:35:33,423 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-24 19:35:33,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 19.333333333333332) internal successors, (58), 4 states have internal predecessors, (58), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-10-24 19:35:33,423 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-24 19:35:33,423 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-24 19:35:33,425 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-10-24 19:35:33,426 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-10-24 19:35:33,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-10-24 19:35:33,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-10-24 19:35:33,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-10-24 19:35:33,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-10-24 19:35:33,427 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-10-24 19:35:33,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-10-24 19:35:33,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-10-24 19:35:33,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-10-24 19:35:33,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-10-24 19:35:33,428 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-10-24 19:35:33,428 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-10-24 19:35:33,431 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, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-24 19:35:33,433 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-24 19:35:49,848 WARN L286 SmtUtils]: Spent 10.71s on a formula simplification. DAG size of input: 84 DAG size of output: 103 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-24 19:36:00,194 WARN L286 SmtUtils]: Spent 10.34s on a formula simplification. DAG size of input: 84 DAG size of output: 103 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-24 19:36:08,542 WARN L286 SmtUtils]: Spent 5.05s on a formula simplification. DAG size of input: 77 DAG size of output: 89 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-10-24 19:36:08,931 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-24 19:36:08,958 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.10 07:36:08 BoogieIcfgContainer [2024-10-24 19:36:08,959 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-24 19:36:08,959 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-24 19:36:08,959 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-24 19:36:08,960 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-24 19:36:08,960 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.10 07:35:13" (3/4) ... [2024-10-24 19:36:08,962 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-24 19:36:08,964 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure base2flt [2024-10-24 19:36:08,965 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2024-10-24 19:36:08,973 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 24 nodes and edges [2024-10-24 19:36:08,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2024-10-24 19:36:08,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-24 19:36:08,974 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-24 19:36:09,002 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(e) <= 127) && ((0 < \old(m)) || (\old(e) != 0))) && (0 <= ((long long) 128 + \old(e)))) && (e <= \old(e))) && ((((m == \old(m)) && (e == 0)) || (\old(e) != 0)) || ((((((m % 2) == 0) && (((long long) e + 1) <= 0)) && ((m / 2) <= 4294967295)) && (0 <= (m / 2))) && (0 <= (2147483649 + e))))) && (m <= 33554431)) [2024-10-24 19:36:09,003 WARN L216 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 < \old(m)) || (\old(e) != 0)) && (0 <= ((long long) 128 + \old(e)))) && (\old(e) <= e)) && (e <= 127)) && (\old(m) != 1)) [2024-10-24 19:36:09,029 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((0 < \old(m)) || (\old(e) != 0)) && (0 <= ((long long) 128 + \old(e)))) && (\old(e) <= e)) && (e <= 127)) && (\old(m) != 1)) [2024-10-24 19:36:09,029 WARN L140 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((\old(e) <= 127) && ((0 < \old(m)) || (\old(e) != 0))) && (0 <= ((long long) 128 + \old(e)))) && (e <= \old(e))) && ((((m == \old(m)) && (e == 0)) || (\old(e) != 0)) || ((((((m % 2) == 0) && (((long long) e + 1) <= 0)) && ((m / 2) <= 4294967295)) && (0 <= (m / 2))) && (0 <= (2147483649 + e))))) && (m <= 33554431)) [2024-10-24 19:36:09,073 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-24 19:36:09,073 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-24 19:36:09,073 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-24 19:36:09,074 INFO L158 Benchmark]: Toolchain (without parser) took 56194.55ms. Allocated memory was 144.7MB in the beginning and 1.3GB in the end (delta: 1.1GB). Free memory was 77.5MB in the beginning and 1.1GB in the end (delta: -994.7MB). Peak memory consumption was 115.6MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,074 INFO L158 Benchmark]: CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-10-24 19:36:09,074 INFO L158 Benchmark]: CACSL2BoogieTranslator took 295.91ms. Allocated memory was 144.7MB in the beginning and 237.0MB in the end (delta: 92.3MB). Free memory was 77.3MB in the beginning and 205.2MB in the end (delta: -128.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,074 INFO L158 Benchmark]: Boogie Procedure Inliner took 40.55ms. Allocated memory is still 237.0MB. Free memory was 205.2MB in the beginning and 206.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,074 INFO L158 Benchmark]: Boogie Preprocessor took 41.76ms. Allocated memory is still 237.0MB. Free memory was 206.5MB in the beginning and 204.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,075 INFO L158 Benchmark]: RCFGBuilder took 569.21ms. Allocated memory is still 237.0MB. Free memory was 204.4MB in the beginning and 178.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,075 INFO L158 Benchmark]: TraceAbstraction took 55124.09ms. Allocated memory was 237.0MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 178.2MB in the beginning and 1.1GB in the end (delta: -901.3MB). Peak memory consumption was 728.6MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,075 INFO L158 Benchmark]: Witness Printer took 114.15ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 7.3MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-10-24 19:36:09,076 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14ms. Allocated memory is still 144.7MB. Free memory is still 109.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 295.91ms. Allocated memory was 144.7MB in the beginning and 237.0MB in the end (delta: 92.3MB). Free memory was 77.3MB in the beginning and 205.2MB in the end (delta: -128.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 40.55ms. Allocated memory is still 237.0MB. Free memory was 205.2MB in the beginning and 206.5MB in the end (delta: -1.3MB). Peak memory consumption was 6.6MB. Max. memory is 16.1GB. * Boogie Preprocessor took 41.76ms. Allocated memory is still 237.0MB. Free memory was 206.5MB in the beginning and 204.4MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 569.21ms. Allocated memory is still 237.0MB. Free memory was 204.4MB in the beginning and 178.2MB in the end (delta: 26.2MB). Peak memory consumption was 27.3MB. Max. memory is 16.1GB. * TraceAbstraction took 55124.09ms. Allocated memory was 237.0MB in the beginning and 1.3GB in the end (delta: 1.0GB). Free memory was 178.2MB in the beginning and 1.1GB in the end (delta: -901.3MB). Peak memory consumption was 728.6MB. Max. memory is 16.1GB. * Witness Printer took 114.15ms. Allocated memory is still 1.3GB. Free memory was 1.1GB in the beginning and 1.1GB in the end (delta: 7.3MB). 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: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 45]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 70]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 77]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 172]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 175]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 175]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 177]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 178]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 178]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 201]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 201]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 214]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 214]: 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 3 procedures, 103 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 19.5s, OverallIterations: 32, TraceHistogramMax: 4, PathProgramHistogramMax: 2, EmptinessCheckTime: 0.0s, AutomataDifference: 7.3s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 1 mSolverCounterUnknown, 1628 SdHoareTripleChecker+Valid, 6.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1615 mSDsluCounter, 11186 SdHoareTripleChecker+Invalid, 5.8s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 8603 mSDsCounter, 104 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 3089 IncrementalHoareTripleChecker+Invalid, 3194 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 104 mSolverCounterUnsat, 2583 mSDtfsCounter, 3089 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1550 GetRequests, 1301 SyntacticMatches, 5 SemanticMatches, 244 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 414 ImplicationChecksByTransitivity, 1.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=205occurred in iteration=26, InterpolantAutomatonStates: 215, 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, 32 MinimizatonAttempts, 919 StatesRemovedByMinimization, 28 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 2328 NumberOfCodeBlocks, 2292 NumberOfCodeBlocksAsserted, 50 NumberOfCheckSat, 2542 ConstructedInterpolants, 2 QuantifiedInterpolants, 6158 SizeOfPredicates, 18 NumberOfNonLiveVariables, 2663 ConjunctsInSsa, 240 ConjunctsInUnsatCore, 55 InterpolantComputations, 28 PerfectInterpolantSequences, 1140/1347 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 18 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((((((\old(e) <= 127) && ((0 < \old(m)) || (\old(e) != 0))) && (0 <= ((long long) 128 + \old(e)))) && (e <= \old(e))) && ((((m == \old(m)) && (e == 0)) || (\old(e) != 0)) || ((((((m % 2) == 0) && (((long long) e + 1) <= 0)) && ((m / 2) <= 4294967295)) && (0 <= (m / 2))) && (0 <= (2147483649 + e))))) && (m <= 33554431)) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: ((((((0 < \old(m)) || (\old(e) != 0)) && (0 <= ((long long) 128 + \old(e)))) && (\old(e) <= e)) && (e <= 127)) && (\old(m) != 1)) - ProcedureContractResult [Line: 24]: 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))) && (((\result == 0) || (0 < m)) || (e != 0))) RESULT: Ultimate proved your program to be correct! [2024-10-24 19:36:09,113 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