./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version c7c6ca5d Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash f330893f1140a32f6e6dacd6cc5115391759545d59ea17334f6f3b644ed5a51c --- Real Ultimate output --- This is Ultimate 0.2.5-?-c7c6ca5-m [2024-11-09 11:07:07,439 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-09 11:07:07,534 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-09 11:07:07,540 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-09 11:07:07,541 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-09 11:07:07,576 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-09 11:07:07,577 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-09 11:07:07,577 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-09 11:07:07,578 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-09 11:07:07,580 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-09 11:07:07,580 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-09 11:07:07,581 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-09 11:07:07,581 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-09 11:07:07,582 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-09 11:07:07,585 INFO L153 SettingsManager]: * Use SBE=true [2024-11-09 11:07:07,585 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-09 11:07:07,586 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-09 11:07:07,586 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-09 11:07:07,586 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-09 11:07:07,586 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-09 11:07:07,587 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-09 11:07:07,587 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-09 11:07:07,588 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-09 11:07:07,588 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-09 11:07:07,589 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-09 11:07:07,589 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-09 11:07:07,589 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-09 11:07:07,590 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-09 11:07:07,590 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-09 11:07:07,590 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-09 11:07:07,590 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-09 11:07:07,591 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-09 11:07:07,592 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-09 11:07:07,592 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-09 11:07:07,592 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:07:07,593 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-09 11:07:07,593 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-09 11:07:07,593 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-09 11:07:07,593 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-09 11:07:07,594 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-09 11:07:07,594 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-09 11:07:07,594 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-09 11:07:07,595 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-09 11:07:07,595 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-09 11:07:07,595 INFO L153 SettingsManager]: * Looper check in Petri net analysis=SEMANTIC WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> f330893f1140a32f6e6dacd6cc5115391759545d59ea17334f6f3b644ed5a51c [2024-11-09 11:07:07,840 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-09 11:07:07,865 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-09 11:07:07,869 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-09 11:07:07,871 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-09 11:07:07,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-09 11:07:07,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c [2024-11-09 11:07:09,319 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-09 11:07:09,510 INFO L384 CDTParser]: Found 1 translation units. [2024-11-09 11:07:09,511 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/bitvector/soft_float_2a.c.cil.c [2024-11-09 11:07:09,521 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83645c61b/ecde51efec574c65aefe5dbe4db7007c/FLAGd744fda22 [2024-11-09 11:07:09,535 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/83645c61b/ecde51efec574c65aefe5dbe4db7007c [2024-11-09 11:07:09,537 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-09 11:07:09,539 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-09 11:07:09,543 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-09 11:07:09,543 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-09 11:07:09,549 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-09 11:07:09,550 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,551 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@310446b7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09, skipping insertion in model container [2024-11-09 11:07:09,551 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,584 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-09 11:07:09,798 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:07:09,810 INFO L200 MainTranslator]: Completed pre-run [2024-11-09 11:07:09,848 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-09 11:07:09,864 INFO L204 MainTranslator]: Completed translation [2024-11-09 11:07:09,865 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09 WrapperNode [2024-11-09 11:07:09,865 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-09 11:07:09,866 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-09 11:07:09,866 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-09 11:07:09,867 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-09 11:07:09,873 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,881 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,917 INFO L138 Inliner]: procedures = 17, calls = 16, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 166 [2024-11-09 11:07:09,918 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-09 11:07:09,918 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-09 11:07:09,918 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-09 11:07:09,919 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-09 11:07:09,929 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,929 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,931 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,949 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-11-09 11:07:09,950 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,950 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,958 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,970 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,976 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,977 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,980 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-09 11:07:09,984 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-09 11:07:09,985 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-09 11:07:09,985 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-09 11:07:09,986 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (1/1) ... [2024-11-09 11:07:09,991 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-09 11:07:10,005 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:10,025 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-09 11:07:10,029 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-09 11:07:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-09 11:07:10,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-09 11:07:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure base2flt [2024-11-09 11:07:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure base2flt [2024-11-09 11:07:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-09 11:07:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-09 11:07:10,083 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2024-11-09 11:07:10,083 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2024-11-09 11:07:10,166 INFO L238 CfgBuilder]: Building ICFG [2024-11-09 11:07:10,171 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-09 11:07:10,748 INFO L? ?]: Removed 78 outVars from TransFormulas that were not future-live. [2024-11-09 11:07:10,749 INFO L287 CfgBuilder]: Performing block encoding [2024-11-09 11:07:10,763 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-09 11:07:10,763 INFO L316 CfgBuilder]: Removed 2 assume(true) statements. [2024-11-09 11:07:10,763 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:07:10 BoogieIcfgContainer [2024-11-09 11:07:10,764 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-09 11:07:10,765 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-09 11:07:10,766 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-09 11:07:10,768 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-09 11:07:10,768 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 09.11 11:07:09" (1/3) ... [2024-11-09 11:07:10,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb1176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:07:10, skipping insertion in model container [2024-11-09 11:07:10,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.11 11:07:09" (2/3) ... [2024-11-09 11:07:10,769 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4cb1176 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 09.11 11:07:10, skipping insertion in model container [2024-11-09 11:07:10,769 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.11 11:07:10" (3/3) ... [2024-11-09 11:07:10,771 INFO L112 eAbstractionObserver]: Analyzing ICFG soft_float_2a.c.cil.c [2024-11-09 11:07:10,784 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-09 11:07:10,785 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-11-09 11:07:10,841 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-09 11:07:10,847 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;@78b6c0e3, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-09 11:07:10,848 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-11-09 11:07:10,853 INFO L276 IsEmpty]: Start isEmpty. Operand has 111 states, 85 states have (on average 1.6235294117647059) internal successors, (138), 104 states have internal predecessors, (138), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-09 11:07:10,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-09 11:07:10,859 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:10,860 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:10,860 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:10,865 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:10,865 INFO L85 PathProgramCache]: Analyzing trace with hash -370041501, now seen corresponding path program 1 times [2024-11-09 11:07:10,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:10,874 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [102781046] [2024-11-09 11:07:10,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:10,874 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:10,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:11,102 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:11,103 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:11,103 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [102781046] [2024-11-09 11:07:11,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [102781046] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:11,104 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:11,104 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:07:11,105 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1668540821] [2024-11-09 11:07:11,106 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:11,109 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:07:11,109 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:11,132 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:07:11,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:07:11,136 INFO L87 Difference]: Start difference. First operand has 111 states, 85 states have (on average 1.6235294117647059) internal successors, (138), 104 states have internal predecessors, (138), 5 states have call successors, (5), 2 states have call predecessors, (5), 2 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:11,294 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:11,296 INFO L93 Difference]: Finished difference Result 267 states and 380 transitions. [2024-11-09 11:07:11,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:07:11,299 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-09 11:07:11,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:11,309 INFO L225 Difference]: With dead ends: 267 [2024-11-09 11:07:11,309 INFO L226 Difference]: Without dead ends: 139 [2024-11-09 11:07:11,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:11,318 INFO L432 NwaCegarLoop]: 121 mSDtfsCounter, 85 mSDsluCounter, 241 mSDsCounter, 0 mSdLazyCounter, 44 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 85 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 53 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 44 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:11,320 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [85 Valid, 362 Invalid, 53 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 44 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:11,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 139 states. [2024-11-09 11:07:11,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 139 to 129. [2024-11-09 11:07:11,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 129 states, 109 states have (on average 1.4678899082568808) internal successors, (160), 122 states have internal predecessors, (160), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:11,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 129 states and 168 transitions. [2024-11-09 11:07:11,381 INFO L78 Accepts]: Start accepts. Automaton has 129 states and 168 transitions. Word has length 9 [2024-11-09 11:07:11,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:11,382 INFO L471 AbstractCegarLoop]: Abstraction has 129 states and 168 transitions. [2024-11-09 11:07:11,382 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 3 states have internal predecessors, (8), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:11,382 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 168 transitions. [2024-11-09 11:07:11,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:07:11,384 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:11,384 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:11,384 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-09 11:07:11,384 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:11,385 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:11,385 INFO L85 PathProgramCache]: Analyzing trace with hash 968438909, now seen corresponding path program 1 times [2024-11-09 11:07:11,385 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:11,385 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [739643086] [2024-11-09 11:07:11,386 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:11,386 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:11,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:11,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [739643086] [2024-11-09 11:07:11,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [739643086] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:11,486 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:11,486 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:07:11,486 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [744668238] [2024-11-09 11:07:11,487 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:11,488 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:07:11,488 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:11,489 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:07:11,489 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:11,490 INFO L87 Difference]: Start difference. First operand 129 states and 168 transitions. Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:11,562 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:11,566 INFO L93 Difference]: Finished difference Result 269 states and 357 transitions. [2024-11-09 11:07:11,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:07:11,568 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:07:11,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:11,570 INFO L225 Difference]: With dead ends: 269 [2024-11-09 11:07:11,570 INFO L226 Difference]: Without dead ends: 143 [2024-11-09 11:07:11,571 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:11,573 INFO L432 NwaCegarLoop]: 105 mSDtfsCounter, 12 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 189 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:11,573 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 189 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:11,574 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 143 states. [2024-11-09 11:07:11,587 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 143 to 133. [2024-11-09 11:07:11,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 113 states have (on average 1.4513274336283186) internal successors, (164), 126 states have internal predecessors, (164), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:11,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 172 transitions. [2024-11-09 11:07:11,591 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 172 transitions. Word has length 14 [2024-11-09 11:07:11,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:11,592 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 172 transitions. [2024-11-09 11:07:11,592 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:11,592 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 172 transitions. [2024-11-09 11:07:11,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-09 11:07:11,593 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:11,593 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:11,593 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-09 11:07:11,594 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:11,594 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:11,594 INFO L85 PathProgramCache]: Analyzing trace with hash 968327563, now seen corresponding path program 1 times [2024-11-09 11:07:11,595 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:11,596 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449628158] [2024-11-09 11:07:11,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:11,596 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:11,663 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-09 11:07:11,664 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:11,665 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449628158] [2024-11-09 11:07:11,665 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449628158] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:11,665 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:11,666 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:07:11,666 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [233118782] [2024-11-09 11:07:11,666 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:11,667 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:07:11,667 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:11,668 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:07:11,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:11,669 INFO L87 Difference]: Start difference. First operand 133 states and 172 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:11,707 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:11,707 INFO L93 Difference]: Finished difference Result 133 states and 172 transitions. [2024-11-09 11:07:11,708 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:07:11,708 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2024-11-09 11:07:11,708 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:11,711 INFO L225 Difference]: With dead ends: 133 [2024-11-09 11:07:11,711 INFO L226 Difference]: Without dead ends: 132 [2024-11-09 11:07:11,711 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:11,712 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 1 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 186 SdHoareTripleChecker+Invalid, 22 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:11,716 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 186 Invalid, 22 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:11,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 132 states. [2024-11-09 11:07:11,729 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 132 to 132. [2024-11-09 11:07:11,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 132 states, 113 states have (on average 1.4336283185840708) internal successors, (162), 125 states have internal predecessors, (162), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:11,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 170 transitions. [2024-11-09 11:07:11,736 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 170 transitions. Word has length 14 [2024-11-09 11:07:11,736 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:11,736 INFO L471 AbstractCegarLoop]: Abstraction has 132 states and 170 transitions. [2024-11-09 11:07:11,736 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:11,737 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 170 transitions. [2024-11-09 11:07:11,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:07:11,737 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:11,737 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:11,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-09 11:07:11,738 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:11,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:11,738 INFO L85 PathProgramCache]: Analyzing trace with hash -1661888495, now seen corresponding path program 1 times [2024-11-09 11:07:11,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:11,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1912615456] [2024-11-09 11:07:11,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:11,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:11,859 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:11,863 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1912615456] [2024-11-09 11:07:11,863 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1912615456] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:11,863 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [469324376] [2024-11-09 11:07:11,864 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:11,864 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:11,864 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:11,866 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:11,868 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-09 11:07:11,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:11,917 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:07:11,922 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:11,986 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:11,989 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:11,990 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [469324376] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:11,990 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:11,990 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:07:11,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1242532870] [2024-11-09 11:07:12,005 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:12,005 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:07:12,006 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:12,006 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:07:12,006 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:07:12,007 INFO L87 Difference]: Start difference. First operand 132 states and 170 transitions. Second operand has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:12,093 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:12,095 INFO L93 Difference]: Finished difference Result 165 states and 220 transitions. [2024-11-09 11:07:12,095 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:07:12,095 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 11:07:12,096 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:12,097 INFO L225 Difference]: With dead ends: 165 [2024-11-09 11:07:12,097 INFO L226 Difference]: Without dead ends: 163 [2024-11-09 11:07:12,097 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:07:12,098 INFO L432 NwaCegarLoop]: 110 mSDtfsCounter, 28 mSDsluCounter, 89 mSDsCounter, 0 mSdLazyCounter, 55 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 199 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 55 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:12,099 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 199 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 55 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:12,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2024-11-09 11:07:12,119 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 139. [2024-11-09 11:07:12,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 139 states, 120 states have (on average 1.4083333333333334) internal successors, (169), 132 states have internal predecessors, (169), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:12,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 139 states to 139 states and 177 transitions. [2024-11-09 11:07:12,123 INFO L78 Accepts]: Start accepts. Automaton has 139 states and 177 transitions. Word has length 15 [2024-11-09 11:07:12,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:12,124 INFO L471 AbstractCegarLoop]: Abstraction has 139 states and 177 transitions. [2024-11-09 11:07:12,124 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.666666666666667) internal successors, (14), 4 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:12,124 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 177 transitions. [2024-11-09 11:07:12,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-09 11:07:12,125 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:12,125 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:12,145 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-09 11:07:12,326 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:12,327 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:12,327 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:12,327 INFO L85 PathProgramCache]: Analyzing trace with hash -46616562, now seen corresponding path program 1 times [2024-11-09 11:07:12,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:12,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1227144304] [2024-11-09 11:07:12,328 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:12,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:12,422 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:12,423 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:12,423 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1227144304] [2024-11-09 11:07:12,423 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1227144304] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:12,424 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1068055649] [2024-11-09 11:07:12,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:12,424 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:12,424 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:12,427 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:12,432 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-09 11:07:12,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:12,485 INFO L255 TraceCheckSpWp]: Trace formula consists of 50 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:07:12,486 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:12,504 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:12,505 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:12,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1068055649] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:12,506 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:12,506 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [4] total 5 [2024-11-09 11:07:12,507 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [781961528] [2024-11-09 11:07:12,507 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:12,507 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:07:12,508 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:12,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:07:12,510 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:12,510 INFO L87 Difference]: Start difference. First operand 139 states and 177 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:12,559 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:12,559 INFO L93 Difference]: Finished difference Result 145 states and 185 transitions. [2024-11-09 11:07:12,560 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:07:12,560 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 15 [2024-11-09 11:07:12,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:12,562 INFO L225 Difference]: With dead ends: 145 [2024-11-09 11:07:12,562 INFO L226 Difference]: Without dead ends: 144 [2024-11-09 11:07:12,563 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 18 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:12,563 INFO L432 NwaCegarLoop]: 102 mSDtfsCounter, 14 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 183 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:12,564 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 183 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:12,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 144 states. [2024-11-09 11:07:12,583 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 144 to 141. [2024-11-09 11:07:12,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 141 states, 122 states have (on average 1.401639344262295) internal successors, (171), 134 states have internal predecessors, (171), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:12,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 141 states to 141 states and 179 transitions. [2024-11-09 11:07:12,588 INFO L78 Accepts]: Start accepts. Automaton has 141 states and 179 transitions. Word has length 15 [2024-11-09 11:07:12,588 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:12,589 INFO L471 AbstractCegarLoop]: Abstraction has 141 states and 179 transitions. [2024-11-09 11:07:12,589 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:12,589 INFO L276 IsEmpty]: Start isEmpty. Operand 141 states and 179 transitions. [2024-11-09 11:07:12,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:07:12,590 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:12,590 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:12,610 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-09 11:07:12,790 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:12,791 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:12,792 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:12,792 INFO L85 PathProgramCache]: Analyzing trace with hash 21064300, now seen corresponding path program 1 times [2024-11-09 11:07:12,792 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:12,792 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628710961] [2024-11-09 11:07:12,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:12,793 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:12,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:12,840 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-09 11:07:12,841 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:12,841 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628710961] [2024-11-09 11:07:12,841 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628710961] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:12,842 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:12,842 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-09 11:07:12,842 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [168704189] [2024-11-09 11:07:12,842 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:12,843 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:07:12,843 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:12,843 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:07:12,843 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:12,844 INFO L87 Difference]: Start difference. First operand 141 states and 179 transitions. Second operand has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:12,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:12,875 INFO L93 Difference]: Finished difference Result 141 states and 179 transitions. [2024-11-09 11:07:12,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:07:12,876 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 11:07:12,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:12,877 INFO L225 Difference]: With dead ends: 141 [2024-11-09 11:07:12,877 INFO L226 Difference]: Without dead ends: 140 [2024-11-09 11:07:12,877 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:12,878 INFO L432 NwaCegarLoop]: 101 mSDtfsCounter, 0 mSDsluCounter, 84 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:12,878 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 185 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:12,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 140 states. [2024-11-09 11:07:12,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 140 to 138. [2024-11-09 11:07:12,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 138 states, 120 states have (on average 1.3916666666666666) internal successors, (167), 131 states have internal predecessors, (167), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:12,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 138 states and 175 transitions. [2024-11-09 11:07:12,890 INFO L78 Accepts]: Start accepts. Automaton has 138 states and 175 transitions. Word has length 16 [2024-11-09 11:07:12,890 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:12,890 INFO L471 AbstractCegarLoop]: Abstraction has 138 states and 175 transitions. [2024-11-09 11:07:12,890 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.5) internal successors, (13), 3 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:12,890 INFO L276 IsEmpty]: Start isEmpty. Operand 138 states and 175 transitions. [2024-11-09 11:07:12,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-09 11:07:12,891 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:12,891 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:12,892 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-09 11:07:12,892 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:12,892 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:12,893 INFO L85 PathProgramCache]: Analyzing trace with hash -1336411964, now seen corresponding path program 1 times [2024-11-09 11:07:12,893 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:12,893 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1398824957] [2024-11-09 11:07:12,893 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:12,893 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:12,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:12,978 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:12,979 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:12,979 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1398824957] [2024-11-09 11:07:12,979 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1398824957] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:12,979 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:12,980 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:07:12,980 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [404307327] [2024-11-09 11:07:12,980 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:12,980 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:07:12,981 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:12,982 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:07:12,982 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:12,982 INFO L87 Difference]: Start difference. First operand 138 states and 175 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:13,090 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:13,091 INFO L93 Difference]: Finished difference Result 156 states and 196 transitions. [2024-11-09 11:07:13,091 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:07:13,092 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2024-11-09 11:07:13,092 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:13,095 INFO L225 Difference]: With dead ends: 156 [2024-11-09 11:07:13,096 INFO L226 Difference]: Without dead ends: 155 [2024-11-09 11:07:13,096 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:07:13,098 INFO L432 NwaCegarLoop]: 93 mSDtfsCounter, 98 mSDsluCounter, 261 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 354 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:13,098 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 354 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:13,100 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-09 11:07:13,106 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 143. [2024-11-09 11:07:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.384) internal successors, (173), 136 states have internal predecessors, (173), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:13,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 181 transitions. [2024-11-09 11:07:13,108 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 181 transitions. Word has length 16 [2024-11-09 11:07:13,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:13,108 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 181 transitions. [2024-11-09 11:07:13,108 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:13,109 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 181 transitions. [2024-11-09 11:07:13,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-09 11:07:13,111 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:13,111 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:13,111 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-09 11:07:13,111 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:13,112 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:13,112 INFO L85 PathProgramCache]: Analyzing trace with hash 655156221, now seen corresponding path program 1 times [2024-11-09 11:07:13,113 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:13,113 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597685130] [2024-11-09 11:07:13,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:13,113 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:13,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,195 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:13,195 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:13,195 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597685130] [2024-11-09 11:07:13,195 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [597685130] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:13,196 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [393649343] [2024-11-09 11:07:13,196 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:13,196 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:13,196 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:13,198 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:13,200 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-09 11:07:13,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 56 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-09 11:07:13,249 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:13,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-09 11:07:13,277 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:13,277 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [393649343] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:13,277 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:13,278 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2024-11-09 11:07:13,278 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1585901136] [2024-11-09 11:07:13,278 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:13,278 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:07:13,279 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:13,279 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:07:13,279 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:07:13,279 INFO L87 Difference]: Start difference. First operand 143 states and 181 transitions. Second operand has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:13,326 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:13,327 INFO L93 Difference]: Finished difference Result 155 states and 198 transitions. [2024-11-09 11:07:13,327 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:07:13,331 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 17 [2024-11-09 11:07:13,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:13,332 INFO L225 Difference]: With dead ends: 155 [2024-11-09 11:07:13,332 INFO L226 Difference]: Without dead ends: 154 [2024-11-09 11:07:13,333 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:07:13,333 INFO L432 NwaCegarLoop]: 108 mSDtfsCounter, 8 mSDsluCounter, 92 mSDsCounter, 0 mSdLazyCounter, 37 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 200 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 37 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:13,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 200 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 37 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:13,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 154 states. [2024-11-09 11:07:13,343 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 154 to 143. [2024-11-09 11:07:13,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 143 states, 125 states have (on average 1.376) internal successors, (172), 136 states have internal predecessors, (172), 4 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:13,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 143 states to 143 states and 180 transitions. [2024-11-09 11:07:13,347 INFO L78 Accepts]: Start accepts. Automaton has 143 states and 180 transitions. Word has length 17 [2024-11-09 11:07:13,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:13,348 INFO L471 AbstractCegarLoop]: Abstraction has 143 states and 180 transitions. [2024-11-09 11:07:13,349 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.333333333333333) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:13,349 INFO L276 IsEmpty]: Start isEmpty. Operand 143 states and 180 transitions. [2024-11-09 11:07:13,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:07:13,353 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:13,353 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:13,372 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-09 11:07:13,554 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:13,554 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:13,555 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:13,555 INFO L85 PathProgramCache]: Analyzing trace with hash -980020880, now seen corresponding path program 1 times [2024-11-09 11:07:13,555 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:13,555 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [642711316] [2024-11-09 11:07:13,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:13,556 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,614 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:13,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,621 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:13,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,627 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:07:13,627 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:13,628 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [642711316] [2024-11-09 11:07:13,628 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [642711316] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:13,628 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:13,628 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:07:13,628 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [44940602] [2024-11-09 11:07:13,629 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:13,629 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:07:13,629 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:13,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:07:13,630 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:13,630 INFO L87 Difference]: Start difference. First operand 143 states and 180 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:07:13,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:13,719 INFO L93 Difference]: Finished difference Result 210 states and 268 transitions. [2024-11-09 11:07:13,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:07:13,720 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-09 11:07:13,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:13,721 INFO L225 Difference]: With dead ends: 210 [2024-11-09 11:07:13,722 INFO L226 Difference]: Without dead ends: 208 [2024-11-09 11:07:13,722 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:13,723 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 126 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 70 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 129 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 76 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 70 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:13,723 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [129 Valid, 287 Invalid, 76 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 70 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:13,724 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-09 11:07:13,730 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 181. [2024-11-09 11:07:13,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 181 states, 162 states have (on average 1.382716049382716) internal successors, (224), 173 states have internal predecessors, (224), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:13,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 181 states to 181 states and 232 transitions. [2024-11-09 11:07:13,732 INFO L78 Accepts]: Start accepts. Automaton has 181 states and 232 transitions. Word has length 24 [2024-11-09 11:07:13,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:13,732 INFO L471 AbstractCegarLoop]: Abstraction has 181 states and 232 transitions. [2024-11-09 11:07:13,733 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:07:13,733 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 232 transitions. [2024-11-09 11:07:13,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-09 11:07:13,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:13,734 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:13,734 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-09 11:07:13,734 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:13,735 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:13,735 INFO L85 PathProgramCache]: Analyzing trace with hash -1008648236, now seen corresponding path program 1 times [2024-11-09 11:07:13,735 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:13,735 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [371432106] [2024-11-09 11:07:13,735 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:13,735 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:13,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,776 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,783 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,792 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2024-11-09 11:07:13,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:13,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [371432106] [2024-11-09 11:07:13,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [371432106] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:13,792 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:13,792 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:07:13,792 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1007808680] [2024-11-09 11:07:13,792 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:13,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:07:13,793 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:13,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:07:13,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:13,798 INFO L87 Difference]: Start difference. First operand 181 states and 232 transitions. Second operand has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:07:13,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:13,883 INFO L93 Difference]: Finished difference Result 201 states and 257 transitions. [2024-11-09 11:07:13,883 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:07:13,884 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 24 [2024-11-09 11:07:13,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:13,887 INFO L225 Difference]: With dead ends: 201 [2024-11-09 11:07:13,887 INFO L226 Difference]: Without dead ends: 199 [2024-11-09 11:07:13,888 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:13,889 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 127 mSDsluCounter, 202 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 130 SdHoareTripleChecker+Valid, 287 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:13,889 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [130 Valid, 287 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:13,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 199 states. [2024-11-09 11:07:13,897 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 199 to 172. [2024-11-09 11:07:13,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 153 states have (on average 1.3790849673202614) internal successors, (211), 164 states have internal predecessors, (211), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:13,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 219 transitions. [2024-11-09 11:07:13,899 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 219 transitions. Word has length 24 [2024-11-09 11:07:13,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:13,899 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 219 transitions. [2024-11-09 11:07:13,900 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 3.75) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-09 11:07:13,900 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 219 transitions. [2024-11-09 11:07:13,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:07:13,901 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:13,901 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:13,901 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2024-11-09 11:07:13,901 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:13,902 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:13,902 INFO L85 PathProgramCache]: Analyzing trace with hash -1966541325, now seen corresponding path program 1 times [2024-11-09 11:07:13,902 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:13,902 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1578321694] [2024-11-09 11:07:13,902 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:13,903 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:13,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:13,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,985 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:13,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:13,993 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:07:13,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,002 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:07:14,002 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:14,002 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1578321694] [2024-11-09 11:07:14,002 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1578321694] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:14,002 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:14,003 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:07:14,003 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2101779099] [2024-11-09 11:07:14,004 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:14,004 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:07:14,004 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:14,005 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:07:14,005 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:14,005 INFO L87 Difference]: Start difference. First operand 172 states and 219 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:07:14,089 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:14,089 INFO L93 Difference]: Finished difference Result 190 states and 244 transitions. [2024-11-09 11:07:14,090 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:07:14,090 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-09 11:07:14,090 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:14,092 INFO L225 Difference]: With dead ends: 190 [2024-11-09 11:07:14,092 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:07:14,092 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:14,093 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 125 mSDsluCounter, 197 mSDsCounter, 0 mSdLazyCounter, 67 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 127 SdHoareTripleChecker+Valid, 280 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 67 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:14,093 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [127 Valid, 280 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 67 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:14,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:07:14,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 163. [2024-11-09 11:07:14,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 163 states, 146 states have (on average 1.36986301369863) internal successors, (200), 155 states have internal predecessors, (200), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:14,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 208 transitions. [2024-11-09 11:07:14,105 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 208 transitions. Word has length 31 [2024-11-09 11:07:14,105 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:14,105 INFO L471 AbstractCegarLoop]: Abstraction has 163 states and 208 transitions. [2024-11-09 11:07:14,105 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:07:14,105 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 208 transitions. [2024-11-09 11:07:14,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2024-11-09 11:07:14,108 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:14,108 INFO L215 NwaCegarLoop]: trace histogram [4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:14,108 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2024-11-09 11:07:14,108 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:14,109 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:14,109 INFO L85 PathProgramCache]: Analyzing trace with hash -1995168681, now seen corresponding path program 1 times [2024-11-09 11:07:14,110 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:14,110 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [139870735] [2024-11-09 11:07:14,110 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:14,110 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:14,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,173 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,179 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:07:14,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,186 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-09 11:07:14,187 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:14,187 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [139870735] [2024-11-09 11:07:14,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [139870735] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:14,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:14,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:07:14,188 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [150728740] [2024-11-09 11:07:14,188 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:14,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:07:14,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:14,189 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:07:14,189 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:14,189 INFO L87 Difference]: Start difference. First operand 163 states and 208 transitions. Second operand has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:07:14,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:14,271 INFO L93 Difference]: Finished difference Result 181 states and 233 transitions. [2024-11-09 11:07:14,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:07:14,272 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) Word has length 31 [2024-11-09 11:07:14,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:14,274 INFO L225 Difference]: With dead ends: 181 [2024-11-09 11:07:14,274 INFO L226 Difference]: Without dead ends: 179 [2024-11-09 11:07:14,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 8 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:14,275 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 126 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 128 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:14,276 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [128 Valid, 278 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:14,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 179 states. [2024-11-09 11:07:14,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 179 to 152. [2024-11-09 11:07:14,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 152 states, 137 states have (on average 1.364963503649635) internal successors, (187), 144 states have internal predecessors, (187), 4 states have call successors, (4), 3 states have call predecessors, (4), 3 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:14,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 152 states to 152 states and 195 transitions. [2024-11-09 11:07:14,286 INFO L78 Accepts]: Start accepts. Automaton has 152 states and 195 transitions. Word has length 31 [2024-11-09 11:07:14,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:14,286 INFO L471 AbstractCegarLoop]: Abstraction has 152 states and 195 transitions. [2024-11-09 11:07:14,286 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.0) internal successors, (16), 4 states have internal predecessors, (16), 1 states have call successors, (4), 2 states have call predecessors, (4), 1 states have return successors, (3), 1 states have call predecessors, (3), 1 states have call successors, (3) [2024-11-09 11:07:14,286 INFO L276 IsEmpty]: Start isEmpty. Operand 152 states and 195 transitions. [2024-11-09 11:07:14,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-09 11:07:14,287 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:14,287 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:14,287 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2024-11-09 11:07:14,287 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:14,288 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:14,288 INFO L85 PathProgramCache]: Analyzing trace with hash 791187706, now seen corresponding path program 1 times [2024-11-09 11:07:14,288 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:14,289 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1687880095] [2024-11-09 11:07:14,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:14,289 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:14,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,363 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,368 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:14,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,400 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2024-11-09 11:07:14,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,408 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2024-11-09 11:07:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,416 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:14,417 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:14,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1687880095] [2024-11-09 11:07:14,417 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1687880095] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:14,417 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2126598455] [2024-11-09 11:07:14,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:14,417 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:14,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:14,419 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:14,426 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-09 11:07:14,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,494 INFO L255 TraceCheckSpWp]: Trace formula consists of 145 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-09 11:07:14,496 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:14,518 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:07:14,519 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:14,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2126598455] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:14,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:14,520 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [4] total 6 [2024-11-09 11:07:14,520 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [498137038] [2024-11-09 11:07:14,520 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:14,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:07:14,521 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:14,521 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:07:14,521 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:14,521 INFO L87 Difference]: Start difference. First operand 152 states and 195 transitions. Second operand has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:14,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:14,600 INFO L93 Difference]: Finished difference Result 342 states and 435 transitions. [2024-11-09 11:07:14,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:07:14,601 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 43 [2024-11-09 11:07:14,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:14,602 INFO L225 Difference]: With dead ends: 342 [2024-11-09 11:07:14,602 INFO L226 Difference]: Without dead ends: 193 [2024-11-09 11:07:14,603 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 54 GetRequests, 49 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2024-11-09 11:07:14,603 INFO L432 NwaCegarLoop]: 88 mSDtfsCounter, 18 mSDsluCounter, 156 mSDsCounter, 0 mSdLazyCounter, 64 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 18 SdHoareTripleChecker+Valid, 244 SdHoareTripleChecker+Invalid, 66 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 64 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:14,604 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [18 Valid, 244 Invalid, 66 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 64 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:14,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 193 states. [2024-11-09 11:07:14,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 193 to 157. [2024-11-09 11:07:14,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 141 states have (on average 1.3546099290780143) internal successors, (191), 148 states have internal predecessors, (191), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:14,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 199 transitions. [2024-11-09 11:07:14,618 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 199 transitions. Word has length 43 [2024-11-09 11:07:14,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:14,618 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 199 transitions. [2024-11-09 11:07:14,619 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 7.75) internal successors, (31), 4 states have internal predecessors, (31), 2 states have call successors, (4), 2 states have call predecessors, (4), 3 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:14,619 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 199 transitions. [2024-11-09 11:07:14,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2024-11-09 11:07:14,619 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:14,620 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:14,636 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-09 11:07:14,820 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:14,820 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:14,821 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:14,821 INFO L85 PathProgramCache]: Analyzing trace with hash -399272058, now seen corresponding path program 1 times [2024-11-09 11:07:14,821 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:14,821 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [697117087] [2024-11-09 11:07:14,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:14,821 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,902 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:14,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,909 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2024-11-09 11:07:14,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,969 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-11-09 11:07:14,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:14,972 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:14,972 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:14,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [697117087] [2024-11-09 11:07:14,972 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [697117087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:14,972 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [239842788] [2024-11-09 11:07:14,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:14,973 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:14,973 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:14,975 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:14,976 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-09 11:07:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 156 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:07:15,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:15,100 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 24 proven. 2 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:07:15,101 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:07:15,266 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:15,267 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [239842788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:07:15,267 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:07:15,267 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:07:15,267 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [545325459] [2024-11-09 11:07:15,267 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:07:15,268 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:07:15,268 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:15,268 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:07:15,268 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:07:15,268 INFO L87 Difference]: Start difference. First operand 157 states and 199 transitions. Second operand has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:07:15,475 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:15,475 INFO L93 Difference]: Finished difference Result 477 states and 612 transitions. [2024-11-09 11:07:15,476 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:07:15,476 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 51 [2024-11-09 11:07:15,476 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:15,478 INFO L225 Difference]: With dead ends: 477 [2024-11-09 11:07:15,478 INFO L226 Difference]: Without dead ends: 364 [2024-11-09 11:07:15,479 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 114 GetRequests, 104 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:07:15,480 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 87 mSDsluCounter, 534 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 619 SdHoareTripleChecker+Invalid, 221 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:15,480 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [87 Valid, 619 Invalid, 221 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:07:15,481 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 364 states. [2024-11-09 11:07:15,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 364 to 172. [2024-11-09 11:07:15,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 172 states, 156 states have (on average 1.3397435897435896) internal successors, (209), 163 states have internal predecessors, (209), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:15,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 172 states to 172 states and 217 transitions. [2024-11-09 11:07:15,494 INFO L78 Accepts]: Start accepts. Automaton has 172 states and 217 transitions. Word has length 51 [2024-11-09 11:07:15,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:15,495 INFO L471 AbstractCegarLoop]: Abstraction has 172 states and 217 transitions. [2024-11-09 11:07:15,495 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 5.7272727272727275) internal successors, (63), 11 states have internal predecessors, (63), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:07:15,495 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 217 transitions. [2024-11-09 11:07:15,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2024-11-09 11:07:15,496 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:15,496 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:15,520 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-09 11:07:15,700 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-11-09 11:07:15,701 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:15,701 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:15,701 INFO L85 PathProgramCache]: Analyzing trace with hash 145764674, now seen corresponding path program 1 times [2024-11-09 11:07:15,701 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:15,702 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1882709509] [2024-11-09 11:07:15,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:15,702 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,755 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:15,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:15,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,813 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 25 [2024-11-09 11:07:15,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,817 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2024-11-09 11:07:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,820 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:15,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:15,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1882709509] [2024-11-09 11:07:15,821 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1882709509] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:15,821 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1084130838] [2024-11-09 11:07:15,821 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:15,821 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:15,821 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:15,823 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:15,824 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-09 11:07:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:15,886 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:07:15,888 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:15,927 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 24 proven. 3 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2024-11-09 11:07:15,928 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:07:16,045 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:16,045 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1084130838] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:07:16,045 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:07:16,046 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-09 11:07:16,046 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851815047] [2024-11-09 11:07:16,046 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:07:16,046 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:07:16,046 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:16,047 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:07:16,047 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=70, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:07:16,047 INFO L87 Difference]: Start difference. First operand 172 states and 217 transitions. Second operand has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:07:16,233 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:16,233 INFO L93 Difference]: Finished difference Result 490 states and 637 transitions. [2024-11-09 11:07:16,234 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:07:16,234 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 52 [2024-11-09 11:07:16,234 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:16,236 INFO L225 Difference]: With dead ends: 490 [2024-11-09 11:07:16,236 INFO L226 Difference]: Without dead ends: 377 [2024-11-09 11:07:16,238 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 116 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=48, Invalid=84, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:07:16,238 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 142 mSDsluCounter, 390 mSDsCounter, 0 mSdLazyCounter, 164 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 475 SdHoareTripleChecker+Invalid, 174 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 164 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:16,238 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [142 Valid, 475 Invalid, 174 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 164 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:16,239 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 377 states. [2024-11-09 11:07:16,256 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 377 to 187. [2024-11-09 11:07:16,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 171 states have (on average 1.327485380116959) internal successors, (227), 178 states have internal predecessors, (227), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:16,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 235 transitions. [2024-11-09 11:07:16,258 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 235 transitions. Word has length 52 [2024-11-09 11:07:16,258 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:16,258 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 235 transitions. [2024-11-09 11:07:16,258 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 11 states have (on average 6.0) internal successors, (66), 11 states have internal predecessors, (66), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:07:16,258 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 235 transitions. [2024-11-09 11:07:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2024-11-09 11:07:16,260 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:16,260 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:16,278 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-09 11:07:16,460 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2024-11-09 11:07:16,461 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:16,462 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:16,462 INFO L85 PathProgramCache]: Analyzing trace with hash 174306956, now seen corresponding path program 1 times [2024-11-09 11:07:16,462 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:16,462 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1331085121] [2024-11-09 11:07:16,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:16,463 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,493 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,498 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:16,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 26 [2024-11-09 11:07:16,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,519 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 33 [2024-11-09 11:07:16,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,521 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:16,522 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:16,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1331085121] [2024-11-09 11:07:16,522 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1331085121] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:16,522 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [234603736] [2024-11-09 11:07:16,522 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:16,522 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:16,523 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:16,524 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:16,526 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-09 11:07:16,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,593 INFO L255 TraceCheckSpWp]: Trace formula consists of 161 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-09 11:07:16,595 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:16,609 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2024-11-09 11:07:16,609 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:16,609 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [234603736] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:16,610 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:16,610 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 3 [2024-11-09 11:07:16,610 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1450711718] [2024-11-09 11:07:16,610 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:16,610 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:07:16,612 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:16,612 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:07:16,613 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:16,613 INFO L87 Difference]: Start difference. First operand 187 states and 235 transitions. Second operand has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:16,671 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:16,672 INFO L93 Difference]: Finished difference Result 326 states and 411 transitions. [2024-11-09 11:07:16,673 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:07:16,674 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 53 [2024-11-09 11:07:16,674 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:16,675 INFO L225 Difference]: With dead ends: 326 [2024-11-09 11:07:16,675 INFO L226 Difference]: Without dead ends: 204 [2024-11-09 11:07:16,676 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 64 GetRequests, 62 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-09 11:07:16,676 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 7 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 7 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 25 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:16,677 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [7 Valid, 178 Invalid, 25 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:16,677 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-09 11:07:16,692 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 192. [2024-11-09 11:07:16,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 176 states have (on average 1.3125) internal successors, (231), 183 states have internal predecessors, (231), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:16,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 239 transitions. [2024-11-09 11:07:16,694 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 239 transitions. Word has length 53 [2024-11-09 11:07:16,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:16,695 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 239 transitions. [2024-11-09 11:07:16,695 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 12.666666666666666) internal successors, (38), 3 states have internal predecessors, (38), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:16,695 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 239 transitions. [2024-11-09 11:07:16,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-09 11:07:16,696 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:16,696 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:16,715 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-09 11:07:16,897 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:16,897 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:16,897 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:16,897 INFO L85 PathProgramCache]: Analyzing trace with hash -1897068795, now seen corresponding path program 1 times [2024-11-09 11:07:16,897 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:16,898 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [359258407] [2024-11-09 11:07:16,898 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:16,898 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:16,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:16,989 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,055 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:07:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,058 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:07:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,061 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:17,061 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:17,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [359258407] [2024-11-09 11:07:17,062 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [359258407] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:17,062 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2060989196] [2024-11-09 11:07:17,062 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:17,062 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:17,062 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:17,064 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:17,065 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-09 11:07:17,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,135 INFO L255 TraceCheckSpWp]: Trace formula consists of 160 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:07:17,138 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:17,186 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:17,187 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:17,187 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2060989196] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:17,187 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:17,187 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [5] total 10 [2024-11-09 11:07:17,187 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1773747784] [2024-11-09 11:07:17,187 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:17,188 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-09 11:07:17,188 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:17,188 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-09 11:07:17,188 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:07:17,189 INFO L87 Difference]: Start difference. First operand 192 states and 239 transitions. Second operand has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:17,237 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:17,237 INFO L93 Difference]: Finished difference Result 247 states and 301 transitions. [2024-11-09 11:07:17,238 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-09 11:07:17,238 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 54 [2024-11-09 11:07:17,238 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:17,239 INFO L225 Difference]: With dead ends: 247 [2024-11-09 11:07:17,239 INFO L226 Difference]: Without dead ends: 198 [2024-11-09 11:07:17,239 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 66 GetRequests, 58 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2024-11-09 11:07:17,240 INFO L432 NwaCegarLoop]: 97 mSDtfsCounter, 4 mSDsluCounter, 473 mSDsCounter, 0 mSdLazyCounter, 34 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 570 SdHoareTripleChecker+Invalid, 36 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 34 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:17,240 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 570 Invalid, 36 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 34 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:17,241 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 198 states. [2024-11-09 11:07:17,253 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 198 to 192. [2024-11-09 11:07:17,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 192 states, 176 states have (on average 1.3011363636363635) internal successors, (229), 183 states have internal predecessors, (229), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:17,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 192 states to 192 states and 237 transitions. [2024-11-09 11:07:17,255 INFO L78 Accepts]: Start accepts. Automaton has 192 states and 237 transitions. Word has length 54 [2024-11-09 11:07:17,255 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:17,255 INFO L471 AbstractCegarLoop]: Abstraction has 192 states and 237 transitions. [2024-11-09 11:07:17,256 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 5.428571428571429) internal successors, (38), 6 states have internal predecessors, (38), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 192 states and 237 transitions. [2024-11-09 11:07:17,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-09 11:07:17,256 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:17,257 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:17,274 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-09 11:07:17,457 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-09 11:07:17,458 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:17,458 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:17,458 INFO L85 PathProgramCache]: Analyzing trace with hash -1775179596, now seen corresponding path program 1 times [2024-11-09 11:07:17,458 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:17,458 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [639924242] [2024-11-09 11:07:17,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:17,458 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,533 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,538 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:17,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,594 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 27 [2024-11-09 11:07:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,598 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 34 [2024-11-09 11:07:17,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,602 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 4 proven. 11 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2024-11-09 11:07:17,602 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:17,602 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [639924242] [2024-11-09 11:07:17,603 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [639924242] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:17,603 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [533524915] [2024-11-09 11:07:17,603 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:17,603 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:17,603 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:17,605 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:17,607 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-09 11:07:17,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:17,676 INFO L255 TraceCheckSpWp]: Trace formula consists of 163 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-09 11:07:17,678 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:17,748 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:07:17,749 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:07:17,874 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:07:17,875 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [533524915] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:07:17,875 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:07:17,875 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 8, 8] total 16 [2024-11-09 11:07:17,875 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909427955] [2024-11-09 11:07:17,875 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:07:17,876 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-09 11:07:17,876 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:17,876 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-09 11:07:17,877 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:07:17,877 INFO L87 Difference]: Start difference. First operand 192 states and 237 transitions. Second operand has 16 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:07:18,219 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:18,220 INFO L93 Difference]: Finished difference Result 382 states and 469 transitions. [2024-11-09 11:07:18,220 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:07:18,220 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 58 [2024-11-09 11:07:18,221 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:18,222 INFO L225 Difference]: With dead ends: 382 [2024-11-09 11:07:18,222 INFO L226 Difference]: Without dead ends: 208 [2024-11-09 11:07:18,222 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 132 GetRequests, 112 SyntacticMatches, 1 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=61, Invalid=359, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:07:18,223 INFO L432 NwaCegarLoop]: 83 mSDtfsCounter, 45 mSDsluCounter, 861 mSDsCounter, 0 mSdLazyCounter, 332 mSolverCounterSat, 7 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 944 SdHoareTripleChecker+Invalid, 339 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 7 IncrementalHoareTripleChecker+Valid, 332 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:18,223 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 944 Invalid, 339 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [7 Valid, 332 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:07:18,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 208 states. [2024-11-09 11:07:18,237 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 208 to 159. [2024-11-09 11:07:18,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 159 states, 143 states have (on average 1.2937062937062938) internal successors, (185), 150 states have internal predecessors, (185), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:18,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 193 transitions. [2024-11-09 11:07:18,239 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 193 transitions. Word has length 58 [2024-11-09 11:07:18,239 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:18,239 INFO L471 AbstractCegarLoop]: Abstraction has 159 states and 193 transitions. [2024-11-09 11:07:18,239 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 4.375) internal successors, (70), 14 states have internal predecessors, (70), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:07:18,239 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 193 transitions. [2024-11-09 11:07:18,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 65 [2024-11-09 11:07:18,240 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:18,240 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:18,260 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-09 11:07:18,444 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-09 11:07:18,445 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:18,445 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:18,445 INFO L85 PathProgramCache]: Analyzing trace with hash 1729930844, now seen corresponding path program 1 times [2024-11-09 11:07:18,446 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:18,446 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1999684868] [2024-11-09 11:07:18,446 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:18,446 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:18,520 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:18,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:18,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:18,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:18,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2024-11-09 11:07:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:18,568 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:07:18,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:18,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 6 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:07:18,572 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:18,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1999684868] [2024-11-09 11:07:18,572 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1999684868] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:18,572 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2076580620] [2024-11-09 11:07:18,572 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:18,572 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:18,572 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:18,574 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:18,576 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-09 11:07:18,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:18,645 INFO L255 TraceCheckSpWp]: Trace formula consists of 174 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-09 11:07:18,646 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:18,697 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2024-11-09 11:07:18,697 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:18,697 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2076580620] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:18,697 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:18,697 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 5 [2024-11-09 11:07:18,698 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1415254892] [2024-11-09 11:07:18,698 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:18,698 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-09 11:07:18,698 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:18,699 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-09 11:07:18,699 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:18,699 INFO L87 Difference]: Start difference. First operand 159 states and 193 transitions. Second operand has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:18,749 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:18,749 INFO L93 Difference]: Finished difference Result 293 states and 356 transitions. [2024-11-09 11:07:18,750 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-09 11:07:18,750 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) Word has length 64 [2024-11-09 11:07:18,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:18,751 INFO L225 Difference]: With dead ends: 293 [2024-11-09 11:07:18,751 INFO L226 Difference]: Without dead ends: 172 [2024-11-09 11:07:18,752 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:18,753 INFO L432 NwaCegarLoop]: 100 mSDtfsCounter, 8 mSDsluCounter, 79 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 179 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:18,753 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 179 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:18,754 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 172 states. [2024-11-09 11:07:18,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 172 to 155. [2024-11-09 11:07:18,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 155 states, 139 states have (on average 1.2805755395683454) internal successors, (178), 146 states have internal predecessors, (178), 4 states have call successors, (4), 4 states have call predecessors, (4), 4 states have return successors, (4), 4 states have call predecessors, (4), 4 states have call successors, (4) [2024-11-09 11:07:18,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 186 transitions. [2024-11-09 11:07:18,768 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 186 transitions. Word has length 64 [2024-11-09 11:07:18,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:18,769 INFO L471 AbstractCegarLoop]: Abstraction has 155 states and 186 transitions. [2024-11-09 11:07:18,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 15.0) internal successors, (45), 3 states have internal predecessors, (45), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:18,769 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 186 transitions. [2024-11-09 11:07:18,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2024-11-09 11:07:18,769 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:18,770 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:18,786 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-09 11:07:18,971 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:18,971 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:18,972 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:18,972 INFO L85 PathProgramCache]: Analyzing trace with hash 736732789, now seen corresponding path program 1 times [2024-11-09 11:07:18,972 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:18,972 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [810744359] [2024-11-09 11:07:18,972 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:18,972 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,093 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,115 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,129 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:19,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,133 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:07:19,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,142 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2024-11-09 11:07:19,143 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:19,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [810744359] [2024-11-09 11:07:19,143 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [810744359] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:19,143 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1383090625] [2024-11-09 11:07:19,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:19,144 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:19,144 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:19,147 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:19,148 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-09 11:07:19,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,247 INFO L255 TraceCheckSpWp]: Trace formula consists of 173 conjuncts, 22 conjuncts are in the unsatisfiable core [2024-11-09 11:07:19,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:19,338 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:07:19,338 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:19,339 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1383090625] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:19,339 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:19,339 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [6] total 12 [2024-11-09 11:07:19,339 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [785501209] [2024-11-09 11:07:19,339 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:19,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:07:19,340 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:19,340 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:07:19,340 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:07:19,341 INFO L87 Difference]: Start difference. First operand 155 states and 186 transitions. Second operand has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:19,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:19,409 INFO L93 Difference]: Finished difference Result 214 states and 256 transitions. [2024-11-09 11:07:19,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2024-11-09 11:07:19,409 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 65 [2024-11-09 11:07:19,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:19,411 INFO L225 Difference]: With dead ends: 214 [2024-11-09 11:07:19,411 INFO L226 Difference]: Without dead ends: 173 [2024-11-09 11:07:19,411 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 68 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:07:19,412 INFO L432 NwaCegarLoop]: 94 mSDtfsCounter, 13 mSDsluCounter, 458 mSDsCounter, 0 mSdLazyCounter, 59 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 552 SdHoareTripleChecker+Invalid, 60 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 59 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:19,412 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 552 Invalid, 60 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 59 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:19,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 173 states. [2024-11-09 11:07:19,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 173 to 162. [2024-11-09 11:07:19,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 162 states, 144 states have (on average 1.2708333333333333) internal successors, (183), 151 states have internal predecessors, (183), 5 states have call successors, (5), 4 states have call predecessors, (5), 5 states have return successors, (6), 6 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-09 11:07:19,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 162 states and 194 transitions. [2024-11-09 11:07:19,456 INFO L78 Accepts]: Start accepts. Automaton has 162 states and 194 transitions. Word has length 65 [2024-11-09 11:07:19,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:19,456 INFO L471 AbstractCegarLoop]: Abstraction has 162 states and 194 transitions. [2024-11-09 11:07:19,456 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 7 states have (on average 6.285714285714286) internal successors, (44), 6 states have internal predecessors, (44), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:19,457 INFO L276 IsEmpty]: Start isEmpty. Operand 162 states and 194 transitions. [2024-11-09 11:07:19,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 68 [2024-11-09 11:07:19,459 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:19,461 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:19,479 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-09 11:07:19,661 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:19,662 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:19,662 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:19,662 INFO L85 PathProgramCache]: Analyzing trace with hash 1080772219, now seen corresponding path program 1 times [2024-11-09 11:07:19,662 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:19,662 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1888283625] [2024-11-09 11:07:19,662 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:19,663 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:19,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:19,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,763 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,820 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:19,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,823 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:07:19,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,828 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:07:19,828 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:19,828 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1888283625] [2024-11-09 11:07:19,828 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1888283625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:19,829 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1021396654] [2024-11-09 11:07:19,829 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:19,829 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:19,829 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:19,830 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:19,832 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-09 11:07:19,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:19,942 INFO L255 TraceCheckSpWp]: Trace formula consists of 176 conjuncts, 27 conjuncts are in the unsatisfiable core [2024-11-09 11:07:19,944 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:20,114 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:07:20,114 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:20,114 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1021396654] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:20,114 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:20,115 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [5] total 14 [2024-11-09 11:07:20,115 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100352813] [2024-11-09 11:07:20,115 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:20,115 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:07:20,115 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:20,116 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:07:20,116 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:07:20,116 INFO L87 Difference]: Start difference. First operand 162 states and 194 transitions. Second operand has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:20,271 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:20,271 INFO L93 Difference]: Finished difference Result 228 states and 272 transitions. [2024-11-09 11:07:20,272 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2024-11-09 11:07:20,272 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 67 [2024-11-09 11:07:20,272 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:20,273 INFO L225 Difference]: With dead ends: 228 [2024-11-09 11:07:20,273 INFO L226 Difference]: Without dead ends: 189 [2024-11-09 11:07:20,274 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 78 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:07:20,274 INFO L432 NwaCegarLoop]: 84 mSDtfsCounter, 14 mSDsluCounter, 548 mSDsCounter, 0 mSdLazyCounter, 187 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 632 SdHoareTripleChecker+Invalid, 188 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 187 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:20,274 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 632 Invalid, 188 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 187 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:20,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-09 11:07:20,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 185. [2024-11-09 11:07:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 166 states have (on average 1.2530120481927711) internal successors, (208), 173 states have internal predecessors, (208), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:20,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 221 transitions. [2024-11-09 11:07:20,289 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 221 transitions. Word has length 67 [2024-11-09 11:07:20,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:20,290 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 221 transitions. [2024-11-09 11:07:20,290 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 9 states have (on average 5.111111111111111) internal successors, (46), 9 states have internal predecessors, (46), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:20,290 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 221 transitions. [2024-11-09 11:07:20,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2024-11-09 11:07:20,291 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:20,291 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:20,310 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-09 11:07:20,494 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable20 [2024-11-09 11:07:20,495 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:20,495 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:20,496 INFO L85 PathProgramCache]: Analyzing trace with hash -855799376, now seen corresponding path program 1 times [2024-11-09 11:07:20,496 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:20,496 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [176182358] [2024-11-09 11:07:20,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:20,496 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:20,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:20,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:20,590 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:20,649 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:20,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:20,653 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:07:20,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:20,657 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:07:20,657 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:20,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [176182358] [2024-11-09 11:07:20,657 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [176182358] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:20,657 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1798963308] [2024-11-09 11:07:20,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:20,658 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:20,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:20,659 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:20,660 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-09 11:07:20,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:20,733 INFO L255 TraceCheckSpWp]: Trace formula consists of 177 conjuncts, 29 conjuncts are in the unsatisfiable core [2024-11-09 11:07:20,736 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:20,862 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:07:20,862 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:20,862 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1798963308] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:20,862 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:20,862 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 14 [2024-11-09 11:07:20,862 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [621323220] [2024-11-09 11:07:20,863 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:20,863 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:07:20,863 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:20,863 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:07:20,864 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=152, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:07:20,865 INFO L87 Difference]: Start difference. First operand 185 states and 221 transitions. Second operand has 11 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:21,020 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:21,020 INFO L93 Difference]: Finished difference Result 214 states and 253 transitions. [2024-11-09 11:07:21,021 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:07:21,021 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 68 [2024-11-09 11:07:21,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:21,024 INFO L225 Difference]: With dead ends: 214 [2024-11-09 11:07:21,024 INFO L226 Difference]: Without dead ends: 188 [2024-11-09 11:07:21,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:07:21,025 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 15 mSDsluCounter, 668 mSDsCounter, 0 mSdLazyCounter, 161 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 16 SdHoareTripleChecker+Valid, 753 SdHoareTripleChecker+Invalid, 161 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 161 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:21,025 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [16 Valid, 753 Invalid, 161 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 161 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:21,025 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 188 states. [2024-11-09 11:07:21,038 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 188 to 185. [2024-11-09 11:07:21,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 185 states, 166 states have (on average 1.2469879518072289) internal successors, (207), 173 states have internal predecessors, (207), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:21,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 185 states and 220 transitions. [2024-11-09 11:07:21,040 INFO L78 Accepts]: Start accepts. Automaton has 185 states and 220 transitions. Word has length 68 [2024-11-09 11:07:21,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:21,040 INFO L471 AbstractCegarLoop]: Abstraction has 185 states and 220 transitions. [2024-11-09 11:07:21,041 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.7) internal successors, (47), 9 states have internal predecessors, (47), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:21,041 INFO L276 IsEmpty]: Start isEmpty. Operand 185 states and 220 transitions. [2024-11-09 11:07:21,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 71 [2024-11-09 11:07:21,042 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:21,042 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:21,059 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Ended with exit code 0 [2024-11-09 11:07:21,245 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-09 11:07:21,246 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:21,246 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:21,246 INFO L85 PathProgramCache]: Analyzing trace with hash -2030075635, now seen corresponding path program 1 times [2024-11-09 11:07:21,246 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:21,246 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1408526863] [2024-11-09 11:07:21,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:21,247 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:21,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,512 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:21,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,515 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:21,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,522 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,525 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:07:21,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,529 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:07:21,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:21,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1408526863] [2024-11-09 11:07:21,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1408526863] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:21,529 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:21,530 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-09 11:07:21,530 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [78353709] [2024-11-09 11:07:21,530 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:21,530 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-09 11:07:21,530 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:21,531 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-09 11:07:21,531 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2024-11-09 11:07:21,531 INFO L87 Difference]: Start difference. First operand 185 states and 220 transitions. Second operand has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:21,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:21,592 INFO L93 Difference]: Finished difference Result 193 states and 230 transitions. [2024-11-09 11:07:21,593 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-09 11:07:21,593 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 70 [2024-11-09 11:07:21,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:21,594 INFO L225 Difference]: With dead ends: 193 [2024-11-09 11:07:21,594 INFO L226 Difference]: Without dead ends: 189 [2024-11-09 11:07:21,595 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 [2024-11-09 11:07:21,595 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 34 mSDsluCounter, 192 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 34 SdHoareTripleChecker+Valid, 278 SdHoareTripleChecker+Invalid, 57 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:21,596 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [34 Valid, 278 Invalid, 57 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:21,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 189 states. [2024-11-09 11:07:21,607 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 189 to 189. [2024-11-09 11:07:21,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 189 states, 172 states have (on average 1.2383720930232558) internal successors, (213), 177 states have internal predecessors, (213), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:21,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 189 states to 189 states and 226 transitions. [2024-11-09 11:07:21,609 INFO L78 Accepts]: Start accepts. Automaton has 189 states and 226 transitions. Word has length 70 [2024-11-09 11:07:21,609 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:21,609 INFO L471 AbstractCegarLoop]: Abstraction has 189 states and 226 transitions. [2024-11-09 11:07:21,609 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 11.75) internal successors, (47), 5 states have internal predecessors, (47), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:21,609 INFO L276 IsEmpty]: Start isEmpty. Operand 189 states and 226 transitions. [2024-11-09 11:07:21,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-09 11:07:21,610 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:21,610 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:21,611 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2024-11-09 11:07:21,611 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:21,611 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:21,611 INFO L85 PathProgramCache]: Analyzing trace with hash 1492164960, now seen corresponding path program 1 times [2024-11-09 11:07:21,612 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:21,612 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [836933193] [2024-11-09 11:07:21,612 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:21,612 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,660 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:21,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,663 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:21,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,668 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,672 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:07:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,675 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2024-11-09 11:07:21,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:21,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [836933193] [2024-11-09 11:07:21,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [836933193] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:21,676 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:21,676 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-09 11:07:21,676 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [811697430] [2024-11-09 11:07:21,676 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:21,677 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-09 11:07:21,677 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:21,677 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-09 11:07:21,677 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-09 11:07:21,677 INFO L87 Difference]: Start difference. First operand 189 states and 226 transitions. Second operand has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:21,724 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:21,724 INFO L93 Difference]: Finished difference Result 189 states and 226 transitions. [2024-11-09 11:07:21,724 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-09 11:07:21,725 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 71 [2024-11-09 11:07:21,725 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:21,726 INFO L225 Difference]: With dead ends: 189 [2024-11-09 11:07:21,726 INFO L226 Difference]: Without dead ends: 180 [2024-11-09 11:07:21,726 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 [2024-11-09 11:07:21,727 INFO L432 NwaCegarLoop]: 81 mSDtfsCounter, 29 mSDsluCounter, 135 mSDsCounter, 0 mSdLazyCounter, 32 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 216 SdHoareTripleChecker+Invalid, 37 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 32 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:21,727 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 216 Invalid, 37 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 32 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:21,728 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 180 states. [2024-11-09 11:07:21,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 180 to 180. [2024-11-09 11:07:21,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 166 states have (on average 1.2108433734939759) internal successors, (201), 168 states have internal predecessors, (201), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:21,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 214 transitions. [2024-11-09 11:07:21,740 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 214 transitions. Word has length 71 [2024-11-09 11:07:21,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:21,740 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 214 transitions. [2024-11-09 11:07:21,741 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 16.0) internal successors, (48), 4 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:21,741 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 214 transitions. [2024-11-09 11:07:21,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:07:21,742 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:21,742 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:21,742 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2024-11-09 11:07:21,742 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:21,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:21,743 INFO L85 PathProgramCache]: Analyzing trace with hash -987526289, now seen corresponding path program 1 times [2024-11-09 11:07:21,743 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:21,743 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1871470199] [2024-11-09 11:07:21,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:21,743 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,843 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,845 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,892 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,896 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 41 [2024-11-09 11:07:21,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,899 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 4 proven. 10 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-09 11:07:21,899 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:21,899 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1871470199] [2024-11-09 11:07:21,899 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1871470199] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:21,900 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2132934771] [2024-11-09 11:07:21,900 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:21,900 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:21,900 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:21,902 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:21,903 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-09 11:07:21,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:21,969 INFO L255 TraceCheckSpWp]: Trace formula consists of 184 conjuncts, 30 conjuncts are in the unsatisfiable core [2024-11-09 11:07:21,971 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:22,139 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-09 11:07:22,140 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:22,140 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2132934771] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:22,140 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:22,140 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [5] total 15 [2024-11-09 11:07:22,140 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1859718530] [2024-11-09 11:07:22,140 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:22,141 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:07:22,141 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:22,141 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:07:22,142 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:07:22,142 INFO L87 Difference]: Start difference. First operand 180 states and 214 transitions. Second operand has 12 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:22,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:22,314 INFO L93 Difference]: Finished difference Result 187 states and 222 transitions. [2024-11-09 11:07:22,314 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:07:22,315 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) Word has length 72 [2024-11-09 11:07:22,315 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:22,316 INFO L225 Difference]: With dead ends: 187 [2024-11-09 11:07:22,316 INFO L226 Difference]: Without dead ends: 186 [2024-11-09 11:07:22,317 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 83 GetRequests, 70 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=177, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:07:22,317 INFO L432 NwaCegarLoop]: 72 mSDtfsCounter, 27 mSDsluCounter, 612 mSDsCounter, 0 mSdLazyCounter, 252 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 684 SdHoareTripleChecker+Invalid, 254 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 252 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:22,317 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 684 Invalid, 254 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 252 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:07:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 186 states. [2024-11-09 11:07:22,328 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 186 to 183. [2024-11-09 11:07:22,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 183 states, 169 states have (on average 1.2071005917159763) internal successors, (204), 171 states have internal predecessors, (204), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:22,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 217 transitions. [2024-11-09 11:07:22,330 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 217 transitions. Word has length 72 [2024-11-09 11:07:22,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:22,331 INFO L471 AbstractCegarLoop]: Abstraction has 183 states and 217 transitions. [2024-11-09 11:07:22,331 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 10 states have (on average 5.1) internal successors, (51), 10 states have internal predecessors, (51), 2 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 3 states have call predecessors, (4), 2 states have call successors, (4) [2024-11-09 11:07:22,331 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 217 transitions. [2024-11-09 11:07:22,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:07:22,332 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:22,332 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:22,350 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-09 11:07:22,536 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:22,537 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:22,538 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:22,538 INFO L85 PathProgramCache]: Analyzing trace with hash -951891687, now seen corresponding path program 1 times [2024-11-09 11:07:22,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:22,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1391773458] [2024-11-09 11:07:22,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:22,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:22,961 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:22,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:22,965 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:22,973 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:22,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:22,982 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:07:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,022 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 11:07:23,023 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:23,023 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1391773458] [2024-11-09 11:07:23,023 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1391773458] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:23,023 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:23,023 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [10] imperfect sequences [] total 10 [2024-11-09 11:07:23,023 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441603839] [2024-11-09 11:07:23,024 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:23,024 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 11 states [2024-11-09 11:07:23,024 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:23,025 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2024-11-09 11:07:23,025 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=89, Unknown=0, NotChecked=0, Total=110 [2024-11-09 11:07:23,025 INFO L87 Difference]: Start difference. First operand 183 states and 217 transitions. Second operand has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:23,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:23,175 INFO L93 Difference]: Finished difference Result 205 states and 244 transitions. [2024-11-09 11:07:23,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:07:23,175 INFO L78 Accepts]: Start accepts. Automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 72 [2024-11-09 11:07:23,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:23,177 INFO L225 Difference]: With dead ends: 205 [2024-11-09 11:07:23,177 INFO L226 Difference]: Without dead ends: 204 [2024-11-09 11:07:23,177 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=27, Invalid=105, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:07:23,178 INFO L432 NwaCegarLoop]: 86 mSDtfsCounter, 20 mSDsluCounter, 721 mSDsCounter, 0 mSdLazyCounter, 159 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 20 SdHoareTripleChecker+Valid, 807 SdHoareTripleChecker+Invalid, 159 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 159 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:23,178 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [20 Valid, 807 Invalid, 159 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 159 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:23,178 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 204 states. [2024-11-09 11:07:23,191 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 204 to 203. [2024-11-09 11:07:23,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 203 states, 189 states have (on average 1.2116402116402116) internal successors, (229), 190 states have internal predecessors, (229), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:23,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 203 states to 203 states and 242 transitions. [2024-11-09 11:07:23,196 INFO L78 Accepts]: Start accepts. Automaton has 203 states and 242 transitions. Word has length 72 [2024-11-09 11:07:23,197 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:23,197 INFO L471 AbstractCegarLoop]: Abstraction has 203 states and 242 transitions. [2024-11-09 11:07:23,197 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 11 states, 10 states have (on average 4.5) internal successors, (45), 10 states have internal predecessors, (45), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:23,197 INFO L276 IsEmpty]: Start isEmpty. Operand 203 states and 242 transitions. [2024-11-09 11:07:23,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-09 11:07:23,198 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:23,198 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:23,198 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2024-11-09 11:07:23,198 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:23,199 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:23,199 INFO L85 PathProgramCache]: Analyzing trace with hash -1652956265, now seen corresponding path program 1 times [2024-11-09 11:07:23,199 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:23,199 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1987536900] [2024-11-09 11:07:23,200 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:23,200 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:23,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,282 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:23,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,285 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 30 [2024-11-09 11:07:23,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,340 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 48 [2024-11-09 11:07:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,343 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 4 proven. 18 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:23,344 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1987536900] [2024-11-09 11:07:23,344 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1987536900] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:23,344 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1220961191] [2024-11-09 11:07:23,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:23,345 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:23,345 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:23,347 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:23,349 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-09 11:07:23,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:23,421 INFO L255 TraceCheckSpWp]: Trace formula consists of 191 conjuncts, 9 conjuncts are in the unsatisfiable core [2024-11-09 11:07:23,423 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 11:07:23,467 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:07:23,558 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 34 trivial. 0 not checked. [2024-11-09 11:07:23,558 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1220961191] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:07:23,559 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:07:23,559 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6, 6] total 13 [2024-11-09 11:07:23,559 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [710785359] [2024-11-09 11:07:23,559 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:07:23,559 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-11-09 11:07:23,560 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:23,560 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-11-09 11:07:23,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=127, Unknown=0, NotChecked=0, Total=156 [2024-11-09 11:07:23,562 INFO L87 Difference]: Start difference. First operand 203 states and 242 transitions. Second operand has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:07:23,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:23,756 INFO L93 Difference]: Finished difference Result 436 states and 518 transitions. [2024-11-09 11:07:23,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-09 11:07:23,757 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) Word has length 72 [2024-11-09 11:07:23,757 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:23,758 INFO L225 Difference]: With dead ends: 436 [2024-11-09 11:07:23,758 INFO L226 Difference]: Without dead ends: 268 [2024-11-09 11:07:23,759 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 158 GetRequests, 144 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 26 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=46, Invalid=194, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:07:23,759 INFO L432 NwaCegarLoop]: 76 mSDtfsCounter, 124 mSDsluCounter, 514 mSDsCounter, 0 mSdLazyCounter, 198 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 124 SdHoareTripleChecker+Valid, 590 SdHoareTripleChecker+Invalid, 203 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 198 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:23,760 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [124 Valid, 590 Invalid, 203 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 198 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:23,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 268 states. [2024-11-09 11:07:23,774 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 268 to 201. [2024-11-09 11:07:23,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 201 states, 187 states have (on average 1.1978609625668448) internal successors, (224), 189 states have internal predecessors, (224), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:23,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 201 states to 201 states and 237 transitions. [2024-11-09 11:07:23,777 INFO L78 Accepts]: Start accepts. Automaton has 201 states and 237 transitions. Word has length 72 [2024-11-09 11:07:23,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:23,777 INFO L471 AbstractCegarLoop]: Abstraction has 201 states and 237 transitions. [2024-11-09 11:07:23,777 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.923076923076923) internal successors, (77), 11 states have internal predecessors, (77), 4 states have call successors, (10), 1 states have call predecessors, (10), 4 states have return successors, (12), 6 states have call predecessors, (12), 4 states have call successors, (12) [2024-11-09 11:07:23,777 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 237 transitions. [2024-11-09 11:07:23,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2024-11-09 11:07:23,779 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:23,779 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:23,797 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Ended with exit code 0 [2024-11-09 11:07:23,980 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable26 [2024-11-09 11:07:23,981 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:23,981 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:23,981 INFO L85 PathProgramCache]: Analyzing trace with hash -1408321263, now seen corresponding path program 1 times [2024-11-09 11:07:23,981 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:23,981 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1806482119] [2024-11-09 11:07:23,982 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:23,982 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:24,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:24,117 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:24,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:24,120 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:24,209 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 35 [2024-11-09 11:07:24,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:24,212 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-11-09 11:07:24,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:24,218 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 4 proven. 23 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:24,218 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:24,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1806482119] [2024-11-09 11:07:24,218 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1806482119] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:24,218 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1173995581] [2024-11-09 11:07:24,219 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:24,219 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:24,219 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:24,221 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:24,222 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-09 11:07:24,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:24,329 INFO L255 TraceCheckSpWp]: Trace formula consists of 197 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:07:24,331 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:24,397 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:07:24,397 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:07:24,541 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 6 proven. 3 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2024-11-09 11:07:24,541 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1173995581] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:07:24,541 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:07:24,541 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 8, 8] total 18 [2024-11-09 11:07:24,542 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048412263] [2024-11-09 11:07:24,542 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:07:24,542 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-09 11:07:24,542 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:24,543 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-09 11:07:24,543 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=263, Unknown=0, NotChecked=0, Total=306 [2024-11-09 11:07:24,543 INFO L87 Difference]: Start difference. First operand 201 states and 237 transitions. Second operand has 18 states, 18 states have (on average 5.444444444444445) internal successors, (98), 16 states have internal predecessors, (98), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:07:24,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:24,945 INFO L93 Difference]: Finished difference Result 451 states and 533 transitions. [2024-11-09 11:07:24,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2024-11-09 11:07:24,946 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 18 states have (on average 5.444444444444445) internal successors, (98), 16 states have internal predecessors, (98), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) Word has length 79 [2024-11-09 11:07:24,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:24,947 INFO L225 Difference]: With dead ends: 451 [2024-11-09 11:07:24,948 INFO L226 Difference]: Without dead ends: 285 [2024-11-09 11:07:24,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 179 GetRequests, 156 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 70 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=500, Unknown=0, NotChecked=0, Total=600 [2024-11-09 11:07:24,950 INFO L432 NwaCegarLoop]: 68 mSDtfsCounter, 49 mSDsluCounter, 664 mSDsCounter, 0 mSdLazyCounter, 376 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 732 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 376 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:24,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [49 Valid, 732 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 376 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-09 11:07:24,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 285 states. [2024-11-09 11:07:24,962 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 285 to 211. [2024-11-09 11:07:24,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 211 states, 197 states have (on average 1.1827411167512691) internal successors, (233), 198 states have internal predecessors, (233), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:24,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 211 states and 246 transitions. [2024-11-09 11:07:24,965 INFO L78 Accepts]: Start accepts. Automaton has 211 states and 246 transitions. Word has length 79 [2024-11-09 11:07:24,965 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:24,965 INFO L471 AbstractCegarLoop]: Abstraction has 211 states and 246 transitions. [2024-11-09 11:07:24,965 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 18 states have (on average 5.444444444444445) internal successors, (98), 16 states have internal predecessors, (98), 4 states have call successors, (7), 1 states have call predecessors, (7), 4 states have return successors, (9), 6 states have call predecessors, (9), 4 states have call successors, (9) [2024-11-09 11:07:24,966 INFO L276 IsEmpty]: Start isEmpty. Operand 211 states and 246 transitions. [2024-11-09 11:07:24,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2024-11-09 11:07:24,966 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:24,966 INFO L215 NwaCegarLoop]: trace histogram [5, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:24,983 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-09 11:07:25,167 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-09 11:07:25,167 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:25,168 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:25,168 INFO L85 PathProgramCache]: Analyzing trace with hash -2116733990, now seen corresponding path program 1 times [2024-11-09 11:07:25,168 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:25,168 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1616175811] [2024-11-09 11:07:25,168 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:25,168 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:25,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:25,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:25,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:25,252 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:25,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:25,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 39 [2024-11-09 11:07:25,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:25,333 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 57 [2024-11-09 11:07:25,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:25,336 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:25,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:25,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1616175811] [2024-11-09 11:07:25,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1616175811] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:25,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1090515660] [2024-11-09 11:07:25,337 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:25,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:25,338 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:25,339 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:25,341 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-09 11:07:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:25,412 INFO L255 TraceCheckSpWp]: Trace formula consists of 210 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-09 11:07:25,413 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:25,492 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 26 proven. 38 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-09 11:07:25,493 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-09 11:07:25,723 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 4 proven. 48 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:25,724 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1090515660] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-09 11:07:25,724 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-09 11:07:25,724 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 8, 8] total 20 [2024-11-09 11:07:25,724 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119758694] [2024-11-09 11:07:25,725 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-09 11:07:25,725 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 20 states [2024-11-09 11:07:25,725 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:25,726 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2024-11-09 11:07:25,726 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=244, Unknown=0, NotChecked=0, Total=380 [2024-11-09 11:07:25,726 INFO L87 Difference]: Start difference. First operand 211 states and 246 transitions. Second operand has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:07:25,978 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:25,978 INFO L93 Difference]: Finished difference Result 783 states and 939 transitions. [2024-11-09 11:07:25,979 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2024-11-09 11:07:25,979 INFO L78 Accepts]: Start accepts. Automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) Word has length 83 [2024-11-09 11:07:25,980 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:25,982 INFO L225 Difference]: With dead ends: 783 [2024-11-09 11:07:25,986 INFO L226 Difference]: Without dead ends: 614 [2024-11-09 11:07:25,987 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 181 GetRequests, 162 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=153, Invalid=267, Unknown=0, NotChecked=0, Total=420 [2024-11-09 11:07:25,988 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 283 mSDsluCounter, 384 mSDsCounter, 0 mSdLazyCounter, 222 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 466 SdHoareTripleChecker+Invalid, 232 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 222 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:25,988 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [283 Valid, 466 Invalid, 232 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 222 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:07:25,992 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 614 states. [2024-11-09 11:07:26,008 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 614 to 241. [2024-11-09 11:07:26,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 241 states, 227 states have (on average 1.1850220264317182) internal successors, (269), 228 states have internal predecessors, (269), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:26,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 282 transitions. [2024-11-09 11:07:26,010 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 282 transitions. Word has length 83 [2024-11-09 11:07:26,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:26,011 INFO L471 AbstractCegarLoop]: Abstraction has 241 states and 282 transitions. [2024-11-09 11:07:26,011 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 20 states, 20 states have (on average 6.85) internal successors, (137), 20 states have internal predecessors, (137), 2 states have call successors, (6), 2 states have call predecessors, (6), 5 states have return successors, (8), 2 states have call predecessors, (8), 2 states have call successors, (8) [2024-11-09 11:07:26,011 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 282 transitions. [2024-11-09 11:07:26,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2024-11-09 11:07:26,012 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:26,012 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:26,030 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-09 11:07:26,216 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable28 [2024-11-09 11:07:26,217 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:26,217 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:26,217 INFO L85 PathProgramCache]: Analyzing trace with hash -1797283, now seen corresponding path program 1 times [2024-11-09 11:07:26,218 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:26,218 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1727386439] [2024-11-09 11:07:26,218 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:26,218 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,545 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:26,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,548 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,559 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:07:26,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,564 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:07:26,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,597 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:07:26,597 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:26,597 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1727386439] [2024-11-09 11:07:26,597 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1727386439] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:26,597 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:26,597 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [11] imperfect sequences [] total 11 [2024-11-09 11:07:26,598 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098690750] [2024-11-09 11:07:26,598 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:26,598 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-09 11:07:26,598 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:26,599 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-09 11:07:26,599 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2024-11-09 11:07:26,599 INFO L87 Difference]: Start difference. First operand 241 states and 282 transitions. Second operand has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:26,821 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:26,821 INFO L93 Difference]: Finished difference Result 256 states and 300 transitions. [2024-11-09 11:07:26,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-09 11:07:26,822 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 84 [2024-11-09 11:07:26,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:26,823 INFO L225 Difference]: With dead ends: 256 [2024-11-09 11:07:26,823 INFO L226 Difference]: Without dead ends: 255 [2024-11-09 11:07:26,823 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 21 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:07:26,824 INFO L432 NwaCegarLoop]: 89 mSDtfsCounter, 51 mSDsluCounter, 806 mSDsCounter, 0 mSdLazyCounter, 244 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 51 SdHoareTripleChecker+Valid, 895 SdHoareTripleChecker+Invalid, 248 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 244 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:26,824 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [51 Valid, 895 Invalid, 248 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 244 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-09 11:07:26,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 255 states. [2024-11-09 11:07:26,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 255 to 220. [2024-11-09 11:07:26,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 220 states, 207 states have (on average 1.178743961352657) internal successors, (244), 208 states have internal predecessors, (244), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 7 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 257 transitions. [2024-11-09 11:07:26,841 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 257 transitions. Word has length 84 [2024-11-09 11:07:26,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:26,841 INFO L471 AbstractCegarLoop]: Abstraction has 220 states and 257 transitions. [2024-11-09 11:07:26,841 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 4.363636363636363) internal successors, (48), 11 states have internal predecessors, (48), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 257 transitions. [2024-11-09 11:07:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 11:07:26,842 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:26,842 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:26,842 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-09 11:07:26,842 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:26,843 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:26,843 INFO L85 PathProgramCache]: Analyzing trace with hash 1280801390, now seen corresponding path program 1 times [2024-11-09 11:07:26,843 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:26,843 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [538423772] [2024-11-09 11:07:26,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:26,843 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:26,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,956 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:26,959 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:26,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,094 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:07:27,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,100 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:07:27,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,104 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:27,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:27,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [538423772] [2024-11-09 11:07:27,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [538423772] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:27,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1006743404] [2024-11-09 11:07:27,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:27,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:27,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:27,107 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:27,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-09 11:07:27,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,220 INFO L255 TraceCheckSpWp]: Trace formula consists of 211 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-09 11:07:27,222 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:27,301 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:07:27,301 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:27,301 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1006743404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:27,302 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:27,302 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [8] imperfect sequences [8] total 14 [2024-11-09 11:07:27,302 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1279957314] [2024-11-09 11:07:27,302 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:27,303 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2024-11-09 11:07:27,303 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:27,303 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2024-11-09 11:07:27,303 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=150, Unknown=0, NotChecked=0, Total=182 [2024-11-09 11:07:27,304 INFO L87 Difference]: Start difference. First operand 220 states and 257 transitions. Second operand has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:27,388 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:27,388 INFO L93 Difference]: Finished difference Result 259 states and 301 transitions. [2024-11-09 11:07:27,389 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2024-11-09 11:07:27,389 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 87 [2024-11-09 11:07:27,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:27,390 INFO L225 Difference]: With dead ends: 259 [2024-11-09 11:07:27,390 INFO L226 Difference]: Without dead ends: 238 [2024-11-09 11:07:27,390 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 90 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=36, Invalid=174, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:07:27,392 INFO L432 NwaCegarLoop]: 82 mSDtfsCounter, 8 mSDsluCounter, 481 mSDsCounter, 0 mSdLazyCounter, 85 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 563 SdHoareTripleChecker+Invalid, 85 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 85 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:27,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 563 Invalid, 85 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 85 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:27,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 238 states. [2024-11-09 11:07:27,409 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 238 to 236. [2024-11-09 11:07:27,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 223 states have (on average 1.1793721973094171) internal successors, (263), 223 states have internal predecessors, (263), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:27,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 276 transitions. [2024-11-09 11:07:27,412 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 276 transitions. Word has length 87 [2024-11-09 11:07:27,412 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:27,412 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 276 transitions. [2024-11-09 11:07:27,413 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 6.375) internal successors, (51), 7 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:27,413 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 276 transitions. [2024-11-09 11:07:27,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2024-11-09 11:07:27,414 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:27,414 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:27,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Forceful destruction successful, exit code 0 [2024-11-09 11:07:27,615 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:27,615 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:27,615 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:27,616 INFO L85 PathProgramCache]: Analyzing trace with hash -2003048656, now seen corresponding path program 1 times [2024-11-09 11:07:27,616 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:27,616 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1606368087] [2024-11-09 11:07:27,616 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:27,616 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:27,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,734 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,737 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:27,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:07:27,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,919 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 58 [2024-11-09 11:07:27,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:27,923 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 4 proven. 33 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2024-11-09 11:07:27,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:27,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1606368087] [2024-11-09 11:07:27,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1606368087] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-09 11:07:27,924 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1868793898] [2024-11-09 11:07:27,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:27,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:27,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-09 11:07:27,927 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-09 11:07:27,933 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-09 11:07:28,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:28,051 INFO L255 TraceCheckSpWp]: Trace formula consists of 217 conjuncts, 17 conjuncts are in the unsatisfiable core [2024-11-09 11:07:28,054 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-09 11:07:28,145 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-09 11:07:28,146 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-09 11:07:28,146 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1868793898] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:28,146 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-09 11:07:28,146 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [9] imperfect sequences [8] total 15 [2024-11-09 11:07:28,146 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [15231392] [2024-11-09 11:07:28,147 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:28,147 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2024-11-09 11:07:28,147 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:28,148 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2024-11-09 11:07:28,148 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=176, Unknown=0, NotChecked=0, Total=210 [2024-11-09 11:07:28,149 INFO L87 Difference]: Start difference. First operand 236 states and 276 transitions. Second operand has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:28,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:28,275 INFO L93 Difference]: Finished difference Result 269 states and 312 transitions. [2024-11-09 11:07:28,275 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-09 11:07:28,275 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) Word has length 87 [2024-11-09 11:07:28,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:28,277 INFO L225 Difference]: With dead ends: 269 [2024-11-09 11:07:28,277 INFO L226 Difference]: Without dead ends: 242 [2024-11-09 11:07:28,277 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 103 GetRequests, 89 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 34 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=202, Unknown=0, NotChecked=0, Total=240 [2024-11-09 11:07:28,278 INFO L432 NwaCegarLoop]: 85 mSDtfsCounter, 15 mSDsluCounter, 571 mSDsCounter, 0 mSdLazyCounter, 126 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 656 SdHoareTripleChecker+Invalid, 126 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 126 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:28,278 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 656 Invalid, 126 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 126 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-09 11:07:28,278 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 242 states. [2024-11-09 11:07:28,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 242 to 236. [2024-11-09 11:07:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 236 states, 223 states have (on average 1.1793721973094171) internal successors, (263), 223 states have internal predecessors, (263), 5 states have call successors, (5), 4 states have call predecessors, (5), 6 states have return successors, (8), 8 states have call predecessors, (8), 5 states have call successors, (8) [2024-11-09 11:07:28,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 236 states and 276 transitions. [2024-11-09 11:07:28,300 INFO L78 Accepts]: Start accepts. Automaton has 236 states and 276 transitions. Word has length 87 [2024-11-09 11:07:28,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:28,301 INFO L471 AbstractCegarLoop]: Abstraction has 236 states and 276 transitions. [2024-11-09 11:07:28,301 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 5.666666666666667) internal successors, (51), 8 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 2 states have return successors, (4), 2 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 276 transitions. [2024-11-09 11:07:28,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2024-11-09 11:07:28,302 INFO L207 NwaCegarLoop]: Found error trace [2024-11-09 11:07:28,302 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:28,318 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Ended with exit code 0 [2024-11-09 11:07:28,506 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-09 11:07:28,507 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-11-09 11:07:28,507 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-09 11:07:28,508 INFO L85 PathProgramCache]: Analyzing trace with hash -1405868025, now seen corresponding path program 1 times [2024-11-09 11:07:28,508 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-09 11:07:28,508 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1306769513] [2024-11-09 11:07:28,508 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-09 11:07:28,508 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-09 11:07:28,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:28,785 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2024-11-09 11:07:28,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:28,788 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2024-11-09 11:07:28,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:28,795 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 40 [2024-11-09 11:07:28,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:28,798 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2024-11-09 11:07:28,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-09 11:07:28,804 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2024-11-09 11:07:28,804 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-09 11:07:28,804 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1306769513] [2024-11-09 11:07:28,804 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1306769513] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-09 11:07:28,804 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-09 11:07:28,805 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-09 11:07:28,805 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [313528615] [2024-11-09 11:07:28,805 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-09 11:07:28,805 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-09 11:07:28,805 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-09 11:07:28,806 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-09 11:07:28,806 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-09 11:07:28,806 INFO L87 Difference]: Start difference. First operand 236 states and 276 transitions. Second operand has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:28,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-09 11:07:28,888 INFO L93 Difference]: Finished difference Result 236 states and 276 transitions. [2024-11-09 11:07:28,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-09 11:07:28,889 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) Word has length 89 [2024-11-09 11:07:28,889 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-09 11:07:28,889 INFO L225 Difference]: With dead ends: 236 [2024-11-09 11:07:28,889 INFO L226 Difference]: Without dead ends: 0 [2024-11-09 11:07:28,890 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2024-11-09 11:07:28,890 INFO L432 NwaCegarLoop]: 77 mSDtfsCounter, 45 mSDsluCounter, 191 mSDsCounter, 0 mSdLazyCounter, 38 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 45 SdHoareTripleChecker+Valid, 268 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 38 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-09 11:07:28,891 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [45 Valid, 268 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 38 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-09 11:07:28,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-09 11:07:28,891 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-09 11:07:28,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-09 11:07:28,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-09 11:07:28,892 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 89 [2024-11-09 11:07:28,892 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-09 11:07:28,892 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-09 11:07:28,892 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 10.2) internal successors, (51), 6 states have internal predecessors, (51), 1 states have call successors, (4), 1 states have call predecessors, (4), 1 states have return successors, (4), 1 states have call predecessors, (4), 1 states have call successors, (4) [2024-11-09 11:07:28,892 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-09 11:07:28,892 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-09 11:07:28,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-11-09 11:07:28,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-11-09 11:07:28,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-11-09 11:07:28,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-11-09 11:07:28,895 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-11-09 11:07:28,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location base2fltErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-11-09 11:07:28,896 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-11-09 11:07:28,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-11-09 11:07:28,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-11-09 11:07:28,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-11-09 11:07:28,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-11-09 11:07:28,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-11-09 11:07:28,897 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-11-09 11:07:28,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-11-09 11:07:28,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-11-09 11:07:28,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-11-09 11:07:28,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-11-09 11:07:28,898 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-11-09 11:07:28,898 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-09 11:07:28,901 INFO L407 BasicCegarLoop]: Path program histogram: [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-09 11:07:28,903 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-09 11:07:45,554 WARN L286 SmtUtils]: Spent 14.02s on a formula simplification. DAG size of input: 86 DAG size of output: 120 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-09 11:08:05,330 WARN L286 SmtUtils]: Spent 16.01s on a formula simplification. DAG size of input: 84 DAG size of output: 115 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or) [2024-11-09 11:08:21,225 WARN L286 SmtUtils]: Spent 15.89s on a formula simplification. DAG size of input: 84 DAG size of output: 115 (called from [L 212] de.uni_freiburg.informatik.ultimate.lib.proofs.floydhoare.HoareAnnotationComposer.or)