./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3289d67d 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/recursive-simple/id_i10_o10-1.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 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:57:57,045 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:57:57,112 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:57:57,117 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:57:57,123 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:57:57,145 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:57:57,147 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:57:57,148 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:57:57,148 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:57:57,150 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:57:57,150 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:57:57,151 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:57:57,151 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:57:57,151 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:57:57,152 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:57:57,152 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:57:57,154 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:57:57,154 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:57:57,154 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:57:57,154 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:57:57,154 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:57:57,157 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:57:57,157 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:57:57,157 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:57:57,158 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:57:57,158 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:57:57,158 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:57:57,158 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:57:57,158 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:57:57,159 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:57:57,159 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:57:57,159 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:57:57,159 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:57:57,159 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:57:57,160 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:57:57,160 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:57:57,160 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:57:57,160 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:57:57,160 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:57:57,161 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:57:57,161 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:57:57,162 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:57:57,162 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:57:57,162 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:57:57,162 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 9dc175bed280c85fbc7018a36f57353cd7d8c459346c67f95db055f6ec935a28 [2024-11-17 04:57:57,380 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:57:57,402 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:57:57,404 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:57:57,405 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:57:57,405 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:57:57,406 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2024-11-17 04:57:58,827 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:57:59,003 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:57:59,003 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i10_o10-1.c [2024-11-17 04:57:59,011 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8215182/010846e2edef49c8956061ce5896a0a3/FLAG3f05b43d3 [2024-11-17 04:57:59,025 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/1b8215182/010846e2edef49c8956061ce5896a0a3 [2024-11-17 04:57:59,027 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:57:59,029 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:57:59,030 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:57:59,030 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:57:59,035 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:57:59,036 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,037 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76d9ece7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59, skipping insertion in model container [2024-11-17 04:57:59,037 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,057 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:57:59,209 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:57:59,217 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:57:59,227 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:57:59,240 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:57:59,240 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59 WrapperNode [2024-11-17 04:57:59,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:57:59,241 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:57:59,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:57:59,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:57:59,247 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,252 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,263 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-17 04:57:59,264 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:57:59,264 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:57:59,264 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:57:59,265 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:57:59,272 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,272 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,273 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,281 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]. [2024-11-17 04:57:59,281 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,281 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,283 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,283 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,284 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,285 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:57:59,286 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:57:59,286 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:57:59,286 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:57:59,291 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (1/1) ... [2024-11-17 04:57:59,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:57:59,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:57:59,355 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) [2024-11-17 04:57:59,357 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 [2024-11-17 04:57:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:57:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:57:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:57:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:57:59,404 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-17 04:57:59,404 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-17 04:57:59,455 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:57:59,457 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:57:59,538 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8: havoc #t~ret4; [2024-11-17 04:57:59,545 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-17 04:57:59,545 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:57:59,555 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:57:59,556 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:57:59,556 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:57:59 BoogieIcfgContainer [2024-11-17 04:57:59,556 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:57:59,559 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:57:59,559 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:57:59,562 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:57:59,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:57:59" (1/3) ... [2024-11-17 04:57:59,563 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a86a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:57:59, skipping insertion in model container [2024-11-17 04:57:59,563 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:57:59" (2/3) ... [2024-11-17 04:57:59,564 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@18a86a38 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:57:59, skipping insertion in model container [2024-11-17 04:57:59,564 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:57:59" (3/3) ... [2024-11-17 04:57:59,565 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i10_o10-1.c [2024-11-17 04:57:59,583 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:57:59,583 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:57:59,644 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:57:59,651 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;@721a282f, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:57:59,651 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:57:59,657 INFO L276 IsEmpty]: Start isEmpty. Operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:57:59,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:57:59,664 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:57:59,665 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:57:59,665 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:57:59,671 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:57:59,672 INFO L85 PathProgramCache]: Analyzing trace with hash 1123799900, now seen corresponding path program 1 times [2024-11-17 04:57:59,680 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:57:59,681 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [763644796] [2024-11-17 04:57:59,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:57:59,682 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:57:59,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:57:59,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:57:59,902 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:57:59,902 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [763644796] [2024-11-17 04:57:59,903 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [763644796] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:57:59,903 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:57:59,904 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:57:59,905 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800231501] [2024-11-17 04:57:59,906 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:57:59,909 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:57:59,909 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:57:59,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:57:59,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:57:59,932 INFO L87 Difference]: Start difference. First operand has 25 states, 17 states have (on average 1.3529411764705883) internal successors, (23), 21 states have internal predecessors, (23), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-17 04:58:00,002 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:00,002 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2024-11-17 04:58:00,007 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:58:00,008 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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 6 [2024-11-17 04:58:00,009 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:00,020 INFO L225 Difference]: With dead ends: 48 [2024-11-17 04:58:00,020 INFO L226 Difference]: Without dead ends: 29 [2024-11-17 04:58:00,024 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:58:00,031 INFO L432 NwaCegarLoop]: 20 mSDtfsCounter, 24 mSDsluCounter, 51 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 25 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:00,032 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [25 Valid, 71 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:58:00,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-17 04:58:00,072 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2024-11-17 04:58:00,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 26 states, 18 states have (on average 1.3888888888888888) internal successors, (25), 21 states have internal predecessors, (25), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:58:00,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-11-17 04:58:00,075 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 6 [2024-11-17 04:58:00,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:00,079 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-11-17 04:58:00,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) [2024-11-17 04:58:00,080 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-17 04:58:00,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:58:00,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:00,080 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:00,080 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:58:00,081 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:00,081 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:00,081 INFO L85 PathProgramCache]: Analyzing trace with hash 478058520, now seen corresponding path program 1 times [2024-11-17 04:58:00,081 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:00,082 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1319264558] [2024-11-17 04:58:00,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:00,082 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:00,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:00,171 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:00,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:00,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1319264558] [2024-11-17 04:58:00,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1319264558] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:00,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:00,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:58:00,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [525090695] [2024-11-17 04:58:00,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:00,173 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:58:00,173 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:00,173 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:58:00,173 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:58:00,174 INFO L87 Difference]: Start difference. First operand 26 states and 30 transitions. Second operand has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-17 04:58:00,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:00,214 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2024-11-17 04:58:00,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:58:00,215 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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 7 [2024-11-17 04:58:00,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:00,217 INFO L225 Difference]: With dead ends: 28 [2024-11-17 04:58:00,217 INFO L226 Difference]: Without dead ends: 27 [2024-11-17 04:58:00,218 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-17 04:58:00,219 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 21 mSDsluCounter, 16 mSDsCounter, 0 mSdLazyCounter, 20 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 21 SdHoareTripleChecker+Valid, 28 SdHoareTripleChecker+Invalid, 23 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 20 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:00,219 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [21 Valid, 28 Invalid, 23 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 20 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:58:00,220 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-17 04:58:00,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-17 04:58:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25 states, 18 states have (on average 1.2777777777777777) internal successors, (23), 20 states have internal predecessors, (23), 3 states have call successors, (3), 2 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-17 04:58:00,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-17 04:58:00,225 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 7 [2024-11-17 04:58:00,225 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:00,226 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-17 04:58:00,226 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 2.0) internal successors, (6), 4 states have internal predecessors, (6), 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) [2024-11-17 04:58:00,226 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-17 04:58:00,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:58:00,226 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:00,226 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:00,227 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:58:00,227 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:00,227 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:00,228 INFO L85 PathProgramCache]: Analyzing trace with hash 214158321, now seen corresponding path program 1 times [2024-11-17 04:58:00,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:00,229 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [262128934] [2024-11-17 04:58:00,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:00,229 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:00,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:00,306 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:00,307 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:00,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [262128934] [2024-11-17 04:58:00,307 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [262128934] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:00,307 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [262932438] [2024-11-17 04:58:00,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:00,307 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:00,307 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:00,312 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) [2024-11-17 04:58:00,317 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-17 04:58:00,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:00,355 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:58:00,358 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:00,404 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:00,404 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:00,475 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:00,476 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [262932438] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:00,476 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:00,476 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 04:58:00,476 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915415165] [2024-11-17 04:58:00,476 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:00,477 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:58:00,477 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:00,477 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:58:00,477 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:58:00,478 INFO L87 Difference]: Start difference. First operand 25 states and 28 transitions. Second operand has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:58:00,646 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:00,646 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2024-11-17 04:58:00,646 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:58:00,647 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 11 [2024-11-17 04:58:00,647 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:00,648 INFO L225 Difference]: With dead ends: 80 [2024-11-17 04:58:00,648 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 04:58:00,648 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 30 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-11-17 04:58:00,649 INFO L432 NwaCegarLoop]: 17 mSDtfsCounter, 97 mSDsluCounter, 105 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 98 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:00,649 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [98 Valid, 122 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:58:00,650 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 04:58:00,658 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 58. [2024-11-17 04:58:00,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 58 states, 45 states have (on average 1.288888888888889) internal successors, (58), 47 states have internal predecessors, (58), 6 states have call successors, (6), 5 states have call predecessors, (6), 4 states have return successors, (5), 5 states have call predecessors, (5), 5 states have call successors, (5) [2024-11-17 04:58:00,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2024-11-17 04:58:00,661 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 11 [2024-11-17 04:58:00,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:00,661 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2024-11-17 04:58:00,661 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.8888888888888888) internal successors, (17), 8 states have internal predecessors, (17), 4 states have call successors, (4), 4 states have call predecessors, (4), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:58:00,662 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2024-11-17 04:58:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:58:00,663 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:00,663 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:00,676 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-17 04:58:00,863 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:00,864 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:00,866 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:00,866 INFO L85 PathProgramCache]: Analyzing trace with hash 522886875, now seen corresponding path program 1 times [2024-11-17 04:58:00,866 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:00,866 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1980205404] [2024-11-17 04:58:00,866 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:00,866 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:00,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:00,921 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:58:00,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:00,933 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-11-17 04:58:00,933 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:00,933 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1980205404] [2024-11-17 04:58:00,933 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1980205404] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:00,934 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:00,934 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:58:00,934 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133390609] [2024-11-17 04:58:00,934 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:00,934 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:58:00,934 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:00,935 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:58:00,935 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:58:00,936 INFO L87 Difference]: Start difference. First operand 58 states and 69 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:58:00,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:00,956 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2024-11-17 04:58:00,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:58:00,957 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 19 [2024-11-17 04:58:00,957 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:00,958 INFO L225 Difference]: With dead ends: 82 [2024-11-17 04:58:00,961 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:58:00,961 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:58:00,962 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 2 mSDsluCounter, 25 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 39 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:00,963 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 39 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:58:00,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:58:00,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2024-11-17 04:58:00,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 76 states, 60 states have (on average 1.2166666666666666) internal successors, (73), 61 states have internal predecessors, (73), 6 states have call successors, (6), 5 states have call predecessors, (6), 7 states have return successors, (9), 9 states have call predecessors, (9), 5 states have call successors, (9) [2024-11-17 04:58:00,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2024-11-17 04:58:00,976 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 19 [2024-11-17 04:58:00,976 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:00,977 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-11-17 04:58:00,977 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:58:00,977 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-17 04:58:00,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 04:58:00,977 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:00,977 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-17 04:58:00,978 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:58:00,978 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:00,978 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:00,978 INFO L85 PathProgramCache]: Analyzing trace with hash 1391859100, now seen corresponding path program 2 times [2024-11-17 04:58:00,979 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:00,979 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [902841678] [2024-11-17 04:58:00,979 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:00,979 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:00,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:01,172 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:01,173 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:01,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [902841678] [2024-11-17 04:58:01,173 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [902841678] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:01,173 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1033268022] [2024-11-17 04:58:01,173 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:58:01,174 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:01,174 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:01,175 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) [2024-11-17 04:58:01,184 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-17 04:58:01,213 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:58:01,213 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:01,214 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:58:01,216 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:01,270 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:01,271 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:01,447 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:01,448 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1033268022] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:01,448 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:01,448 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 04:58:01,448 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [534562491] [2024-11-17 04:58:01,448 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:01,449 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:58:01,449 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:01,450 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:58:01,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:58:01,452 INFO L87 Difference]: Start difference. First operand 76 states and 88 transitions. Second operand has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:58:01,764 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:01,765 INFO L93 Difference]: Finished difference Result 213 states and 231 transitions. [2024-11-17 04:58:01,765 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:58:01,765 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 26 [2024-11-17 04:58:01,766 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:01,767 INFO L225 Difference]: With dead ends: 213 [2024-11-17 04:58:01,767 INFO L226 Difference]: Without dead ends: 177 [2024-11-17 04:58:01,768 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:58:01,768 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 289 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 290 SdHoareTripleChecker+Valid, 312 SdHoareTripleChecker+Invalid, 206 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 31 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:01,769 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [290 Valid, 312 Invalid, 206 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [31 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:58:01,769 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-17 04:58:01,786 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 157. [2024-11-17 04:58:01,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 157 states, 126 states have (on average 1.2222222222222223) internal successors, (154), 127 states have internal predecessors, (154), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-17 04:58:01,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2024-11-17 04:58:01,788 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 26 [2024-11-17 04:58:01,789 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:01,789 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2024-11-17 04:58:01,789 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9523809523809523) internal successors, (41), 14 states have internal predecessors, (41), 10 states have call successors, (10), 10 states have call predecessors, (10), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:58:01,789 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2024-11-17 04:58:01,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:58:01,790 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:01,790 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:01,804 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-17 04:58:01,990 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 [2024-11-17 04:58:01,991 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:01,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:01,992 INFO L85 PathProgramCache]: Analyzing trace with hash -285602841, now seen corresponding path program 1 times [2024-11-17 04:58:01,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:01,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [819964763] [2024-11-17 04:58:01,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:01,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:02,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,044 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:58:02,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,049 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:02,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,051 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2024-11-17 04:58:02,052 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:02,052 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [819964763] [2024-11-17 04:58:02,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [819964763] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:02,052 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:02,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:58:02,052 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1759672333] [2024-11-17 04:58:02,053 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:02,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:58:02,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:02,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:58:02,054 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:58:02,054 INFO L87 Difference]: Start difference. First operand 157 states and 184 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:58:02,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:02,066 INFO L93 Difference]: Finished difference Result 157 states and 184 transitions. [2024-11-17 04:58:02,067 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:58:02,067 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) Word has length 40 [2024-11-17 04:58:02,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:02,068 INFO L225 Difference]: With dead ends: 157 [2024-11-17 04:58:02,068 INFO L226 Difference]: Without dead ends: 156 [2024-11-17 04:58:02,068 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:58:02,069 INFO L432 NwaCegarLoop]: 13 mSDtfsCounter, 2 mSDsluCounter, 12 mSDsCounter, 0 mSdLazyCounter, 6 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 25 SdHoareTripleChecker+Invalid, 6 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 6 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:02,069 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 25 Invalid, 6 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 6 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-17 04:58:02,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-17 04:58:02,083 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-17 04:58:02,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 156 states, 126 states have (on average 1.1349206349206349) internal successors, (143), 126 states have internal predecessors, (143), 12 states have call successors, (12), 11 states have call predecessors, (12), 16 states have return successors, (18), 18 states have call predecessors, (18), 11 states have call successors, (18) [2024-11-17 04:58:02,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 173 transitions. [2024-11-17 04:58:02,085 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 173 transitions. Word has length 40 [2024-11-17 04:58:02,085 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:02,085 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 173 transitions. [2024-11-17 04:58:02,085 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (1), 1 states have call predecessors, (1), 1 states have call successors, (1) [2024-11-17 04:58:02,086 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 173 transitions. [2024-11-17 04:58:02,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:58:02,086 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:02,087 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:02,087 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:58:02,087 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:02,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:02,087 INFO L85 PathProgramCache]: Analyzing trace with hash -263753497, now seen corresponding path program 1 times [2024-11-17 04:58:02,088 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:02,088 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [482273912] [2024-11-17 04:58:02,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:02,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,137 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:58:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,182 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:02,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,236 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-11-17 04:58:02,237 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [482273912] [2024-11-17 04:58:02,237 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [482273912] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:02,237 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [178407665] [2024-11-17 04:58:02,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:02,237 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:02,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:02,242 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) [2024-11-17 04:58:02,245 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-17 04:58:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,308 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:58:02,309 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:02,531 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-17 04:58:02,532 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:02,937 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-17 04:58:02,938 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [178407665] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:02,938 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:02,938 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-11-17 04:58:02,938 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100436900] [2024-11-17 04:58:02,938 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:02,939 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:58:02,939 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:02,939 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:58:02,940 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:58:02,940 INFO L87 Difference]: Start difference. First operand 156 states and 173 transitions. Second operand has 30 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 22 states have internal predecessors, (71), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:58:03,428 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:03,429 INFO L93 Difference]: Finished difference Result 231 states and 250 transitions. [2024-11-17 04:58:03,429 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-17 04:58:03,429 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 22 states have internal predecessors, (71), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) Word has length 41 [2024-11-17 04:58:03,429 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:03,430 INFO L225 Difference]: With dead ends: 231 [2024-11-17 04:58:03,430 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:58:03,431 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 108 GetRequests, 67 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-11-17 04:58:03,432 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 190 mSDsluCounter, 447 mSDsCounter, 0 mSdLazyCounter, 371 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 193 SdHoareTripleChecker+Valid, 498 SdHoareTripleChecker+Invalid, 393 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 371 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:03,432 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [193 Valid, 498 Invalid, 393 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 371 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-11-17 04:58:03,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:58:03,440 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2024-11-17 04:58:03,440 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 146 states, 119 states have (on average 1.1008403361344539) internal successors, (131), 118 states have internal predecessors, (131), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-17 04:58:03,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 159 transitions. [2024-11-17 04:58:03,442 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 159 transitions. Word has length 41 [2024-11-17 04:58:03,442 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:03,442 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 159 transitions. [2024-11-17 04:58:03,442 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.5357142857142856) internal successors, (71), 22 states have internal predecessors, (71), 13 states have call successors, (14), 9 states have call predecessors, (14), 4 states have return successors, (6), 4 states have call predecessors, (6), 5 states have call successors, (6) [2024-11-17 04:58:03,442 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2024-11-17 04:58:03,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:58:03,447 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:03,447 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-17 04:58:03,472 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-17 04:58:03,648 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:03,648 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:03,649 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:03,649 INFO L85 PathProgramCache]: Analyzing trace with hash 578956540, now seen corresponding path program 3 times [2024-11-17 04:58:03,649 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:03,649 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1496150854] [2024-11-17 04:58:03,649 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:03,649 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,124 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:04,124 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1496150854] [2024-11-17 04:58:04,124 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1496150854] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:04,124 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [73725433] [2024-11-17 04:58:04,124 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:58:04,124 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:04,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:04,131 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) [2024-11-17 04:58:04,133 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-17 04:58:04,178 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 04:58:04,178 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:04,179 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:58:04,181 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:04,324 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:04,324 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:04,858 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-17 04:58:04,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [73725433] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:04,859 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:04,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 04:58:04,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012999527] [2024-11-17 04:58:04,859 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:04,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 04:58:04,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:04,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 04:58:04,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:58:04,862 INFO L87 Difference]: Start difference. First operand 146 states and 159 transitions. Second operand has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:58:05,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:05,145 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2024-11-17 04:58:05,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 04:58:05,146 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 56 [2024-11-17 04:58:05,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:05,147 INFO L225 Difference]: With dead ends: 156 [2024-11-17 04:58:05,147 INFO L226 Difference]: Without dead ends: 155 [2024-11-17 04:58:05,148 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 146 GetRequests, 88 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 668 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=1045, Invalid=2495, Unknown=0, NotChecked=0, Total=3540 [2024-11-17 04:58:05,148 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 291 mSDsluCounter, 405 mSDsCounter, 0 mSdLazyCounter, 196 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 291 SdHoareTripleChecker+Valid, 465 SdHoareTripleChecker+Invalid, 226 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 196 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:05,148 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 465 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:58:05,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-17 04:58:05,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-11-17 04:58:05,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 119 states have (on average 1.0924369747899159) internal successors, (130), 117 states have internal predecessors, (130), 12 states have call successors, (12), 11 states have call predecessors, (12), 13 states have return successors, (16), 16 states have call predecessors, (16), 11 states have call successors, (16) [2024-11-17 04:58:05,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 158 transitions. [2024-11-17 04:58:05,167 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 158 transitions. Word has length 56 [2024-11-17 04:58:05,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:05,168 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 158 transitions. [2024-11-17 04:58:05,168 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9777777777777779) internal successors, (89), 26 states have internal predecessors, (89), 22 states have call successors, (22), 22 states have call predecessors, (22), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-17 04:58:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2024-11-17 04:58:05,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 04:58:05,170 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:05,170 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:58:05,190 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-11-17 04:58:05,370 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:05,371 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:05,371 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:05,371 INFO L85 PathProgramCache]: Analyzing trace with hash -1235814223, now seen corresponding path program 2 times [2024-11-17 04:58:05,371 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:05,371 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [945853887] [2024-11-17 04:58:05,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:05,372 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:05,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:05,417 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:58:05,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:05,437 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:05,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:05,456 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:05,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:05,478 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-17 04:58:05,478 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:05,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [945853887] [2024-11-17 04:58:05,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [945853887] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:05,478 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1330250888] [2024-11-17 04:58:05,478 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:58:05,479 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:05,479 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:05,481 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) [2024-11-17 04:58:05,482 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-17 04:58:05,526 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:58:05,526 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:05,527 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:58:05,528 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:05,561 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-17 04:58:05,561 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:05,725 INFO L134 CoverageAnalysis]: Checked inductivity of 261 backedges. 0 proven. 16 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-17 04:58:05,726 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1330250888] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:05,726 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:05,726 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-17 04:58:05,726 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2022934967] [2024-11-17 04:58:05,726 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:05,726 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:58:05,727 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:05,727 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:58:05,727 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:58:05,728 INFO L87 Difference]: Start difference. First operand 145 states and 158 transitions. Second operand has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-17 04:58:05,853 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:05,854 INFO L93 Difference]: Finished difference Result 266 states and 304 transitions. [2024-11-17 04:58:05,854 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:58:05,854 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) Word has length 72 [2024-11-17 04:58:05,854 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:05,855 INFO L225 Difference]: With dead ends: 266 [2024-11-17 04:58:05,855 INFO L226 Difference]: Without dead ends: 265 [2024-11-17 04:58:05,856 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 166 GetRequests, 140 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-11-17 04:58:05,856 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 39 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 46 SdHoareTripleChecker+Valid, 45 SdHoareTripleChecker+Invalid, 90 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 88 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:05,857 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [46 Valid, 45 Invalid, 90 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 88 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:58:05,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-17 04:58:05,874 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2024-11-17 04:58:05,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 265 states, 221 states have (on average 1.0497737556561086) internal successors, (232), 215 states have internal predecessors, (232), 12 states have call successors, (12), 11 states have call predecessors, (12), 31 states have return successors, (38), 38 states have call predecessors, (38), 11 states have call successors, (38) [2024-11-17 04:58:05,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 282 transitions. [2024-11-17 04:58:05,877 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 282 transitions. Word has length 72 [2024-11-17 04:58:05,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:05,878 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 282 transitions. [2024-11-17 04:58:05,878 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.6875) internal successors, (43), 17 states have internal predecessors, (43), 1 states have call successors, (2), 1 states have call predecessors, (2), 7 states have return successors, (7), 7 states have call predecessors, (7), 1 states have call successors, (7) [2024-11-17 04:58:05,880 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 282 transitions. [2024-11-17 04:58:05,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 04:58:05,885 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:05,886 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1] [2024-11-17 04:58:05,898 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-17 04:58:06,086 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:06,087 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:06,087 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:06,087 INFO L85 PathProgramCache]: Analyzing trace with hash -1143676627, now seen corresponding path program 3 times [2024-11-17 04:58:06,087 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:06,087 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1822250463] [2024-11-17 04:58:06,088 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:06,088 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:06,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:58:06,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:06,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,327 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,373 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:06,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,413 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:06,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,449 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:06,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:06,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,504 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 10 proven. 120 refuted. 0 times theorem prover too weak. 235 trivial. 0 not checked. [2024-11-17 04:58:06,505 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:06,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1822250463] [2024-11-17 04:58:06,505 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1822250463] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:06,505 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1158582466] [2024-11-17 04:58:06,505 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:58:06,505 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:06,505 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:06,509 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) [2024-11-17 04:58:06,515 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-17 04:58:06,564 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-17 04:58:06,564 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:06,565 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:58:06,567 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:06,642 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-17 04:58:06,642 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:07,780 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 0 proven. 120 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2024-11-17 04:58:07,781 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1158582466] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:07,781 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:07,781 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-17 04:58:07,781 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [190492361] [2024-11-17 04:58:07,781 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:07,781 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:58:07,782 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:07,782 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:58:07,782 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:58:07,783 INFO L87 Difference]: Start difference. First operand 265 states and 282 transitions. Second operand has 33 states, 32 states have (on average 2.59375) internal successors, (83), 33 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-17 04:58:08,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:08,066 INFO L93 Difference]: Finished difference Result 734 states and 835 transitions. [2024-11-17 04:58:08,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:58:08,066 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.59375) internal successors, (83), 33 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) Word has length 96 [2024-11-17 04:58:08,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:08,069 INFO L225 Difference]: With dead ends: 734 [2024-11-17 04:58:08,069 INFO L226 Difference]: Without dead ends: 448 [2024-11-17 04:58:08,071 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 188 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-11-17 04:58:08,071 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 79 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 153 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 94 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 155 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 153 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:08,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [94 Valid, 77 Invalid, 155 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 153 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-17 04:58:08,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-17 04:58:08,095 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-17 04:58:08,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 448 states, 375 states have (on average 1.0293333333333334) internal successors, (386), 366 states have internal predecessors, (386), 12 states have call successors, (12), 11 states have call predecessors, (12), 60 states have return successors, (70), 70 states have call predecessors, (70), 11 states have call successors, (70) [2024-11-17 04:58:08,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 468 transitions. [2024-11-17 04:58:08,098 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 468 transitions. Word has length 96 [2024-11-17 04:58:08,098 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:08,098 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 468 transitions. [2024-11-17 04:58:08,098 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.59375) internal successors, (83), 33 states have internal predecessors, (83), 1 states have call successors, (2), 1 states have call predecessors, (2), 15 states have return successors, (15), 15 states have call predecessors, (15), 1 states have call successors, (15) [2024-11-17 04:58:08,098 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 468 transitions. [2024-11-17 04:58:08,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-17 04:58:08,101 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:08,101 INFO L215 NwaCegarLoop]: trace histogram [27, 26, 26, 26, 26, 15, 15, 15, 15, 14, 14, 1, 1, 1, 1, 1] [2024-11-17 04:58:08,114 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-17 04:58:08,303 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:08,304 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:08,305 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:08,305 INFO L85 PathProgramCache]: Analyzing trace with hash 70819621, now seen corresponding path program 4 times [2024-11-17 04:58:08,305 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:08,305 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1469255521] [2024-11-17 04:58:08,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:08,305 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:08,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,634 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:58:08,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,962 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,078 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,177 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,355 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,423 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,502 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,557 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,608 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,651 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,692 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,732 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,769 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,814 INFO L134 CoverageAnalysis]: Checked inductivity of 2293 backedges. 26 proven. 616 refuted. 0 times theorem prover too weak. 1651 trivial. 0 not checked. [2024-11-17 04:58:09,814 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:09,814 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1469255521] [2024-11-17 04:58:09,814 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1469255521] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:09,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [903372255] [2024-11-17 04:58:09,815 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:58:09,815 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:09,815 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:09,819 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) [2024-11-17 04:58:09,821 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-17 04:58:09,887 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:58:09,888 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:09,889 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-17 04:58:09,894 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:10,919 INFO L134 CoverageAnalysis]: Checked inductivity of 2293 backedges. 946 proven. 864 refuted. 0 times theorem prover too weak. 483 trivial. 0 not checked. [2024-11-17 04:58:10,920 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:23,580 INFO L134 CoverageAnalysis]: Checked inductivity of 2293 backedges. 946 proven. 1242 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2024-11-17 04:58:23,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [903372255] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:23,580 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:23,581 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 43, 57] total 114 [2024-11-17 04:58:23,581 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2063000430] [2024-11-17 04:58:23,581 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:23,582 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-17 04:58:23,582 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:23,583 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-17 04:58:23,587 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1383, Invalid=11499, Unknown=0, NotChecked=0, Total=12882 [2024-11-17 04:58:23,587 INFO L87 Difference]: Start difference. First operand 448 states and 468 transitions. Second operand has 114 states, 112 states have (on average 2.830357142857143) internal successors, (317), 90 states have internal predecessors, (317), 42 states have call successors, (43), 25 states have call predecessors, (43), 30 states have return successors, (45), 30 states have call predecessors, (45), 18 states have call successors, (45) [2024-11-17 04:58:24,096 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:24,096 INFO L93 Difference]: Finished difference Result 452 states and 472 transitions. [2024-11-17 04:58:24,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-17 04:58:24,097 INFO L78 Accepts]: Start accepts. Automaton has has 114 states, 112 states have (on average 2.830357142857143) internal successors, (317), 90 states have internal predecessors, (317), 42 states have call successors, (43), 25 states have call predecessors, (43), 30 states have return successors, (45), 30 states have call predecessors, (45), 18 states have call successors, (45) Word has length 224 [2024-11-17 04:58:24,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:24,097 INFO L225 Difference]: With dead ends: 452 [2024-11-17 04:58:24,098 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:58:24,102 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 380 SyntacticMatches, 15 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7914 ImplicationChecksByTransitivity, 2.7s TimeCoverageRelationStatistics Valid=2121, Invalid=13629, Unknown=0, NotChecked=0, Total=15750 [2024-11-17 04:58:24,102 INFO L432 NwaCegarLoop]: 15 mSDtfsCounter, 62 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 1145 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 62 SdHoareTripleChecker+Valid, 98 SdHoareTripleChecker+Invalid, 1148 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 1145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:24,102 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [62 Valid, 98 Invalid, 1148 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 1145 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-17 04:58:24,103 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:58:24,103 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:58:24,103 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) [2024-11-17 04:58:24,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:58:24,103 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2024-11-17 04:58:24,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:24,103 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:58:24,104 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 114 states, 112 states have (on average 2.830357142857143) internal successors, (317), 90 states have internal predecessors, (317), 42 states have call successors, (43), 25 states have call predecessors, (43), 30 states have return successors, (45), 30 states have call predecessors, (45), 18 states have call successors, (45) [2024-11-17 04:58:24,104 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:58:24,104 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:58:24,106 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:58:24,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:58:24,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:58:24,107 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:58:24,120 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Forceful destruction successful, exit code 0 [2024-11-17 04:58:24,311 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:24,315 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2024-11-17 04:58:24,317 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:58:24,936 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:58:24,990 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-17 04:58:25,001 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:58:25 BoogieIcfgContainer [2024-11-17 04:58:25,005 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:58:25,006 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:58:25,006 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:58:25,006 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:58:25,007 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:57:59" (3/4) ... [2024-11-17 04:58:25,009 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:58:25,017 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure id [2024-11-17 04:58:25,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-17 04:58:25,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 04:58:25,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:58:25,020 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:58:25,091 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:58:25,092 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:58:25,092 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:58:25,092 INFO L158 Benchmark]: Toolchain (without parser) took 26063.51ms. Allocated memory was 142.6MB in the beginning and 490.7MB in the end (delta: 348.1MB). Free memory was 69.8MB in the beginning and 391.8MB in the end (delta: -322.0MB). Peak memory consumption was 27.8MB. Max. memory is 16.1GB. [2024-11-17 04:58:25,092 INFO L158 Benchmark]: CDTParser took 1.45ms. Allocated memory is still 142.6MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:58:25,092 INFO L158 Benchmark]: CACSL2BoogieTranslator took 211.09ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 58.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:58:25,093 INFO L158 Benchmark]: Boogie Procedure Inliner took 22.46ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 56.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:58:25,093 INFO L158 Benchmark]: Boogie Preprocessor took 20.84ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 55.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:58:25,093 INFO L158 Benchmark]: IcfgBuilder took 270.91ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 55.0MB in the beginning and 150.1MB in the end (delta: -95.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. [2024-11-17 04:58:25,096 INFO L158 Benchmark]: TraceAbstraction took 25446.59ms. Allocated memory was 188.7MB in the beginning and 490.7MB in the end (delta: 302.0MB). Free memory was 150.1MB in the beginning and 396.0MB in the end (delta: -245.9MB). Peak memory consumption was 286.7MB. Max. memory is 16.1GB. [2024-11-17 04:58:25,096 INFO L158 Benchmark]: Witness Printer took 85.95ms. Allocated memory is still 490.7MB. Free memory was 396.0MB in the beginning and 391.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:58:25,097 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.45ms. Allocated memory is still 142.6MB. Free memory is still 104.4MB. There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 211.09ms. Allocated memory is still 142.6MB. Free memory was 69.6MB in the beginning and 58.0MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 22.46ms. Allocated memory is still 142.6MB. Free memory was 58.0MB in the beginning and 56.6MB in the end (delta: 1.4MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 20.84ms. Allocated memory is still 142.6MB. Free memory was 56.6MB in the beginning and 55.0MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * IcfgBuilder took 270.91ms. Allocated memory was 142.6MB in the beginning and 188.7MB in the end (delta: 46.1MB). Free memory was 55.0MB in the beginning and 150.1MB in the end (delta: -95.1MB). Peak memory consumption was 11.7MB. Max. memory is 16.1GB. * TraceAbstraction took 25446.59ms. Allocated memory was 188.7MB in the beginning and 490.7MB in the end (delta: 302.0MB). Free memory was 150.1MB in the beginning and 396.0MB in the end (delta: -245.9MB). Peak memory consumption was 286.7MB. Max. memory is 16.1GB. * Witness Printer took 85.95ms. Allocated memory is still 490.7MB. Free memory was 396.0MB in the beginning and 391.8MB in the end (delta: 4.3MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 8]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 2 procedures, 25 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 24.7s, OverallIterations: 11, TraceHistogramMax: 27, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1124 SdHoareTripleChecker+Valid, 1.2s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1096 mSDsluCounter, 1780 SdHoareTripleChecker+Invalid, 1.0s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 1526 mSDsCounter, 110 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 2269 IncrementalHoareTripleChecker+Invalid, 2379 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 110 mSolverCounterUnsat, 254 mSDtfsCounter, 2269 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1308 GetRequests, 929 SyntacticMatches, 17 SemanticMatches, 362 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10656 ImplicationChecksByTransitivity, 5.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=448occurred in iteration=10, InterpolantAutomatonStates: 178, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 64 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 1124 NumberOfCodeBlocks, 1006 NumberOfCodeBlocksAsserted, 36 NumberOfCheckSat, 1625 ConstructedInterpolants, 0 QuantifiedInterpolants, 4151 SizeOfPredicates, 49 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 134 ConjunctsInUnsatCore, 25 InterpolantComputations, 4 PerfectInterpolantSequences, 5769/9925 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 4 specifications checked. All of them hold - ProcedureContractResult [Line: 6]: Procedure Contract for id Derived contract for procedure id. Requires: ((((x == 0) || ((x <= 10) && (3 <= x))) || (x == 1)) || (x == 2)) Ensures: (((x <= 10) && ((0 < x) || ((\result == 0) && (x == 0)))) && ((1 < x) || (\result < 6))) RESULT: Ultimate proved your program to be correct! [2024-11-17 04:58:25,136 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Forceful destruction successful, exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE