./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/recursive-simple/id_i10_o10-2.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_o10-2.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 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.fs.icfgbuilder-eval-3289d67-m [2024-11-17 04:57:58,447 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-17 04:57:58,526 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-17 04:57:58,534 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-17 04:57:58,534 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-17 04:57:58,566 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-17 04:57:58,567 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-17 04:57:58,567 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-17 04:57:58,568 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-17 04:57:58,569 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-17 04:57:58,570 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-17 04:57:58,570 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-17 04:57:58,571 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-17 04:57:58,571 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-17 04:57:58,571 INFO L153 SettingsManager]: * Use SBE=true [2024-11-17 04:57:58,572 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-17 04:57:58,574 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-17 04:57:58,574 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-17 04:57:58,575 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-17 04:57:58,575 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-17 04:57:58,575 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-17 04:57:58,579 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-17 04:57:58,579 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-17 04:57:58,580 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-17 04:57:58,580 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-17 04:57:58,580 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-17 04:57:58,581 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-17 04:57:58,581 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-17 04:57:58,581 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-17 04:57:58,581 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-17 04:57:58,582 INFO L151 SettingsManager]: Preferences of IcfgBuilder differ from their defaults: [2024-11-17 04:57:58,582 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-17 04:57:58,582 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-17 04:57:58,582 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-17 04:57:58,583 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:57:58,583 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-17 04:57:58,583 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-17 04:57:58,583 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-17 04:57:58,584 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-17 04:57:58,584 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-17 04:57:58,584 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-17 04:57:58,585 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-17 04:57:58,585 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-17 04:57:58,585 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-17 04:57:58,586 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3f8ee4f5181b3404c1367dbf131683f1e761cea6b176154f687b628466c991fe [2024-11-17 04:57:58,849 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-17 04:57:58,873 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-17 04:57:58,876 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-17 04:57:58,877 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-17 04:57:58,878 INFO L274 PluginConnector]: CDTParser initialized [2024-11-17 04:57:58,879 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-11-17 04:58:00,390 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-17 04:58:00,564 INFO L384 CDTParser]: Found 1 translation units. [2024-11-17 04:58:00,565 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i10_o10-2.c [2024-11-17 04:58:00,571 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da21ff16d/3455c27dacfa4d6c9ef72666c51d1600/FLAG476ef0f0b [2024-11-17 04:58:00,583 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/da21ff16d/3455c27dacfa4d6c9ef72666c51d1600 [2024-11-17 04:58:00,585 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-17 04:58:00,586 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-17 04:58:00,587 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-17 04:58:00,588 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-17 04:58:00,593 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-17 04:58:00,594 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,595 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6122da90 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00, skipping insertion in model container [2024-11-17 04:58:00,595 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,614 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-17 04:58:00,794 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:58:00,806 INFO L200 MainTranslator]: Completed pre-run [2024-11-17 04:58:00,822 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-17 04:58:00,840 INFO L204 MainTranslator]: Completed translation [2024-11-17 04:58:00,841 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00 WrapperNode [2024-11-17 04:58:00,841 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-17 04:58:00,842 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-17 04:58:00,843 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-17 04:58:00,843 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-17 04:58:00,851 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,858 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,876 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-11-17 04:58:00,877 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-17 04:58:00,878 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-17 04:58:00,878 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-17 04:58:00,878 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-17 04:58:00,887 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,887 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,888 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,899 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 04:58:00,901 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,902 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,904 INFO L184 PluginConnector]: Executing the observer ReplaceArrayAssignments from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,904 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,906 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,906 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,908 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-17 04:58:00,909 INFO L112 PluginConnector]: ------------------------IcfgBuilder---------------------------- [2024-11-17 04:58:00,909 INFO L270 PluginConnector]: Initializing IcfgBuilder... [2024-11-17 04:58:00,909 INFO L274 PluginConnector]: IcfgBuilder initialized [2024-11-17 04:58:00,910 INFO L184 PluginConnector]: Executing the observer IcfgBuilderObserver from plugin IcfgBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (1/1) ... [2024-11-17 04:58:00,916 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-17 04:58:00,926 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:00,942 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 04:58:00,946 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 04:58:00,992 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-17 04:58:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-17 04:58:00,994 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-17 04:58:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-17 04:58:00,994 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-11-17 04:58:00,995 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-11-17 04:58:01,064 INFO L256 CfgBuilder]: Building ICFG [2024-11-17 04:58:01,066 INFO L286 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-17 04:58:01,195 INFO L1250 $ProcedureCfgBuilder]: dead code at ProgramPoint L8: havoc #t~ret4; [2024-11-17 04:58:01,206 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-11-17 04:58:01,208 INFO L307 CfgBuilder]: Performing block encoding [2024-11-17 04:58:01,222 INFO L331 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-17 04:58:01,223 INFO L336 CfgBuilder]: Removed 0 assume(true) statements. [2024-11-17 04:58:01,223 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:58:01 BoogieIcfgContainer [2024-11-17 04:58:01,223 INFO L131 PluginConnector]: ------------------------ END IcfgBuilder---------------------------- [2024-11-17 04:58:01,225 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-17 04:58:01,226 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-17 04:58:01,231 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-17 04:58:01,231 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 17.11 04:58:00" (1/3) ... [2024-11-17 04:58:01,232 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562e2ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:58:01, skipping insertion in model container [2024-11-17 04:58:01,233 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 17.11 04:58:00" (2/3) ... [2024-11-17 04:58:01,233 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@562e2ebf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 17.11 04:58:01, skipping insertion in model container [2024-11-17 04:58:01,234 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:58:01" (3/3) ... [2024-11-17 04:58:01,235 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i10_o10-2.c [2024-11-17 04:58:01,252 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-17 04:58:01,253 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-11-17 04:58:01,322 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-17 04:58:01,331 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;@1cf4e299, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-17 04:58:01,332 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-11-17 04:58:01,338 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 04:58:01,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-11-17 04:58:01,345 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:01,346 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-11-17 04:58:01,347 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:01,353 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:01,357 INFO L85 PathProgramCache]: Analyzing trace with hash 1123799900, now seen corresponding path program 1 times [2024-11-17 04:58:01,367 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:01,368 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [404945444] [2024-11-17 04:58:01,391 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:01,391 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:01,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:01,647 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 04:58:01,648 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:01,648 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [404945444] [2024-11-17 04:58:01,649 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [404945444] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:01,649 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:01,650 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:58:01,651 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [98294554] [2024-11-17 04:58:01,652 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:01,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:58:01,657 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:01,682 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:58:01,683 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:58:01,684 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 04:58:01,761 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:01,761 INFO L93 Difference]: Finished difference Result 48 states and 51 transitions. [2024-11-17 04:58:01,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:58:01,764 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 04:58:01,764 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:01,770 INFO L225 Difference]: With dead ends: 48 [2024-11-17 04:58:01,770 INFO L226 Difference]: Without dead ends: 29 [2024-11-17 04:58:01,773 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 04:58:01,778 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 04:58:01,778 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 04:58:01,795 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2024-11-17 04:58:01,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 26. [2024-11-17 04:58:01,812 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 04:58:01,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 30 transitions. [2024-11-17 04:58:01,815 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 30 transitions. Word has length 6 [2024-11-17 04:58:01,815 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:01,815 INFO L471 AbstractCegarLoop]: Abstraction has 26 states and 30 transitions. [2024-11-17 04:58:01,816 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 04:58:01,816 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 30 transitions. [2024-11-17 04:58:01,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-17 04:58:01,816 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:01,816 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:01,817 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-17 04:58:01,817 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:01,818 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:01,818 INFO L85 PathProgramCache]: Analyzing trace with hash 478058520, now seen corresponding path program 1 times [2024-11-17 04:58:01,818 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:01,818 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [311932449] [2024-11-17 04:58:01,819 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:01,819 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:01,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:01,940 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 04:58:01,941 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:01,941 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [311932449] [2024-11-17 04:58:01,941 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [311932449] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:01,941 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:01,941 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-17 04:58:01,942 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321572719] [2024-11-17 04:58:01,942 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:01,943 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-17 04:58:01,943 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:01,943 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-17 04:58:01,944 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-11-17 04:58:01,945 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 04:58:02,000 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:02,000 INFO L93 Difference]: Finished difference Result 28 states and 33 transitions. [2024-11-17 04:58:02,001 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-17 04:58:02,001 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 04:58:02,002 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:02,003 INFO L225 Difference]: With dead ends: 28 [2024-11-17 04:58:02,004 INFO L226 Difference]: Without dead ends: 27 [2024-11-17 04:58:02,005 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 04:58:02,006 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 04:58:02,008 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 04:58:02,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-11-17 04:58:02,017 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 25. [2024-11-17 04:58:02,017 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 04:58:02,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 25 states and 28 transitions. [2024-11-17 04:58:02,021 INFO L78 Accepts]: Start accepts. Automaton has 25 states and 28 transitions. Word has length 7 [2024-11-17 04:58:02,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:02,022 INFO L471 AbstractCegarLoop]: Abstraction has 25 states and 28 transitions. [2024-11-17 04:58:02,023 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 04:58:02,023 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 28 transitions. [2024-11-17 04:58:02,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-17 04:58:02,023 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:02,024 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:02,024 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-17 04:58:02,024 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:02,025 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:02,029 INFO L85 PathProgramCache]: Analyzing trace with hash 214158321, now seen corresponding path program 1 times [2024-11-17 04:58:02,029 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:02,030 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [509408336] [2024-11-17 04:58:02,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:02,030 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:02,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,175 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 04:58:02,176 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:02,176 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [509408336] [2024-11-17 04:58:02,176 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [509408336] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:02,177 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1610028759] [2024-11-17 04:58:02,177 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:02,180 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:02,180 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:02,182 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 04:58:02,187 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 04:58:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,244 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-17 04:58:02,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:02,315 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 04:58:02,315 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:02,412 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 04:58:02,413 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1610028759] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:02,413 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:02,413 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 11 [2024-11-17 04:58:02,413 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [496805325] [2024-11-17 04:58:02,413 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:02,414 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-17 04:58:02,416 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:02,418 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-17 04:58:02,419 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-11-17 04:58:02,420 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 04:58:02,592 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:02,592 INFO L93 Difference]: Finished difference Result 80 states and 86 transitions. [2024-11-17 04:58:02,594 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-11-17 04:58:02,595 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 04:58:02,595 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:02,596 INFO L225 Difference]: With dead ends: 80 [2024-11-17 04:58:02,596 INFO L226 Difference]: Without dead ends: 72 [2024-11-17 04:58:02,597 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 04:58:02,598 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 04:58:02,599 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 04:58:02,599 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-11-17 04:58:02,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 58. [2024-11-17 04:58:02,616 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 04:58:02,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 69 transitions. [2024-11-17 04:58:02,618 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 69 transitions. Word has length 11 [2024-11-17 04:58:02,618 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:02,618 INFO L471 AbstractCegarLoop]: Abstraction has 58 states and 69 transitions. [2024-11-17 04:58:02,619 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 04:58:02,619 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 69 transitions. [2024-11-17 04:58:02,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2024-11-17 04:58:02,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:02,621 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:02,634 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 04:58:02,822 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 04:58:02,822 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:02,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:02,823 INFO L85 PathProgramCache]: Analyzing trace with hash 522886875, now seen corresponding path program 1 times [2024-11-17 04:58:02,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:02,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [180029883] [2024-11-17 04:58:02,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:02,824 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:02,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,922 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2024-11-17 04:58:02,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:02,948 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 04:58:02,949 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:02,949 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [180029883] [2024-11-17 04:58:02,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [180029883] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:02,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:02,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-17 04:58:02,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [95913162] [2024-11-17 04:58:02,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:02,950 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-17 04:58:02,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:02,951 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-17 04:58:02,951 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-17 04:58:02,954 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 04:58:02,982 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:02,982 INFO L93 Difference]: Finished difference Result 82 states and 100 transitions. [2024-11-17 04:58:02,984 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-17 04:58:02,985 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 04:58:02,985 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:02,987 INFO L225 Difference]: With dead ends: 82 [2024-11-17 04:58:02,989 INFO L226 Difference]: Without dead ends: 80 [2024-11-17 04:58:02,990 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 04:58:02,991 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 04:58:02,992 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 04:58:02,995 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-11-17 04:58:03,014 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 76. [2024-11-17 04:58:03,015 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 04:58:03,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 76 states and 88 transitions. [2024-11-17 04:58:03,017 INFO L78 Accepts]: Start accepts. Automaton has 76 states and 88 transitions. Word has length 19 [2024-11-17 04:58:03,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:03,018 INFO L471 AbstractCegarLoop]: Abstraction has 76 states and 88 transitions. [2024-11-17 04:58:03,019 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 04:58:03,019 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 88 transitions. [2024-11-17 04:58:03,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2024-11-17 04:58:03,020 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:03,020 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1, 1] [2024-11-17 04:58:03,021 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-11-17 04:58:03,021 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:03,021 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:03,021 INFO L85 PathProgramCache]: Analyzing trace with hash 1391859100, now seen corresponding path program 2 times [2024-11-17 04:58:03,021 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:03,022 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2078301433] [2024-11-17 04:58:03,022 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:03,022 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:03,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:03,284 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 04:58:03,284 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:03,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2078301433] [2024-11-17 04:58:03,285 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2078301433] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:03,285 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [60953161] [2024-11-17 04:58:03,285 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:58:03,285 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:03,285 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:03,291 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 04:58:03,292 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 04:58:03,341 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:58:03,344 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:03,346 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-11-17 04:58:03,348 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:03,417 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 04:58:03,417 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:03,662 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 04:58:03,663 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [60953161] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:03,663 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:03,663 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-17 04:58:03,663 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2038352062] [2024-11-17 04:58:03,663 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:03,664 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-17 04:58:03,664 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:03,665 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-17 04:58:03,665 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-17 04:58:03,666 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 04:58:04,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:04,036 INFO L93 Difference]: Finished difference Result 213 states and 231 transitions. [2024-11-17 04:58:04,037 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-17 04:58:04,037 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 04:58:04,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:04,039 INFO L225 Difference]: With dead ends: 213 [2024-11-17 04:58:04,039 INFO L226 Difference]: Without dead ends: 177 [2024-11-17 04:58:04,040 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 72 GetRequests, 40 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-11-17 04:58:04,041 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 289 mSDsluCounter, 276 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 31 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 04:58:04,041 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 04:58:04,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 177 states. [2024-11-17 04:58:04,059 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 177 to 157. [2024-11-17 04:58:04,060 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 04:58:04,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 157 states and 184 transitions. [2024-11-17 04:58:04,063 INFO L78 Accepts]: Start accepts. Automaton has 157 states and 184 transitions. Word has length 26 [2024-11-17 04:58:04,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:04,063 INFO L471 AbstractCegarLoop]: Abstraction has 157 states and 184 transitions. [2024-11-17 04:58:04,064 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 04:58:04,064 INFO L276 IsEmpty]: Start isEmpty. Operand 157 states and 184 transitions. [2024-11-17 04:58:04,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-17 04:58:04,065 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:04,065 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:04,084 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-17 04:58:04,269 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 04:58:04,270 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:04,270 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:04,270 INFO L85 PathProgramCache]: Analyzing trace with hash -285602841, now seen corresponding path program 1 times [2024-11-17 04:58:04,270 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:04,270 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [518752204] [2024-11-17 04:58:04,270 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:04,271 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:04,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,314 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:58:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,324 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:04,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,330 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 04:58:04,330 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:04,331 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [518752204] [2024-11-17 04:58:04,331 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [518752204] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-17 04:58:04,331 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-17 04:58:04,331 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-17 04:58:04,331 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411912857] [2024-11-17 04:58:04,331 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-17 04:58:04,331 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-17 04:58:04,332 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:04,332 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-17 04:58:04,335 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-17 04:58:04,336 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 04:58:04,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:04,351 INFO L93 Difference]: Finished difference Result 157 states and 184 transitions. [2024-11-17 04:58:04,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-17 04:58:04,352 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 04:58:04,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:04,354 INFO L225 Difference]: With dead ends: 157 [2024-11-17 04:58:04,355 INFO L226 Difference]: Without dead ends: 156 [2024-11-17 04:58:04,356 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 04:58:04,357 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 04:58:04,360 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 04:58:04,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 156 states. [2024-11-17 04:58:04,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 156 to 156. [2024-11-17 04:58:04,374 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 04:58:04,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 156 states and 173 transitions. [2024-11-17 04:58:04,376 INFO L78 Accepts]: Start accepts. Automaton has 156 states and 173 transitions. Word has length 40 [2024-11-17 04:58:04,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:04,376 INFO L471 AbstractCegarLoop]: Abstraction has 156 states and 173 transitions. [2024-11-17 04:58:04,377 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 04:58:04,377 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 173 transitions. [2024-11-17 04:58:04,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2024-11-17 04:58:04,378 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:04,378 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-17 04:58:04,378 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-17 04:58:04,379 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:04,379 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:04,379 INFO L85 PathProgramCache]: Analyzing trace with hash -263753497, now seen corresponding path program 1 times [2024-11-17 04:58:04,379 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:04,379 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [394671614] [2024-11-17 04:58:04,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:04,380 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:04,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,454 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:58:04,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,484 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,528 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 04:58:04,529 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [394671614] [2024-11-17 04:58:04,529 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [394671614] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:04,529 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [46111006] [2024-11-17 04:58:04,529 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:04,530 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:04,530 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:04,531 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 04:58:04,533 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 04:58:04,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:04,575 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-11-17 04:58:04,577 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:04,764 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 04:58:04,764 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:05,147 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 04:58:05,147 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [46111006] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:05,148 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:05,148 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-11-17 04:58:05,148 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1788554772] [2024-11-17 04:58:05,148 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:05,149 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-11-17 04:58:05,149 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:05,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-11-17 04:58:05,150 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-11-17 04:58:05,150 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 04:58:05,614 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:05,614 INFO L93 Difference]: Finished difference Result 231 states and 250 transitions. [2024-11-17 04:58:05,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-17 04:58:05,616 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 04:58:05,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:05,618 INFO L225 Difference]: With dead ends: 231 [2024-11-17 04:58:05,619 INFO L226 Difference]: Without dead ends: 157 [2024-11-17 04:58:05,620 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 04:58:05,622 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 04:58:05,622 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 04:58:05,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 157 states. [2024-11-17 04:58:05,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 157 to 146. [2024-11-17 04:58:05,645 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 04:58:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 146 states and 159 transitions. [2024-11-17 04:58:05,649 INFO L78 Accepts]: Start accepts. Automaton has 146 states and 159 transitions. Word has length 41 [2024-11-17 04:58:05,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:05,650 INFO L471 AbstractCegarLoop]: Abstraction has 146 states and 159 transitions. [2024-11-17 04:58:05,650 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 04:58:05,650 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 159 transitions. [2024-11-17 04:58:05,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2024-11-17 04:58:05,651 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:05,651 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1, 1] [2024-11-17 04:58:05,668 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-17 04:58:05,852 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 04:58:05,852 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:05,853 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:05,853 INFO L85 PathProgramCache]: Analyzing trace with hash 578956540, now seen corresponding path program 3 times [2024-11-17 04:58:05,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:05,853 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1052787625] [2024-11-17 04:58:05,853 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:05,853 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:06,243 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 04:58:06,243 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:06,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1052787625] [2024-11-17 04:58:06,246 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1052787625] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:06,246 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1739872609] [2024-11-17 04:58:06,246 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:58:06,247 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:06,247 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:06,248 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 04:58:06,251 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 04:58:06,310 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-11-17 04:58:06,311 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:06,312 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-11-17 04:58:06,315 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:06,428 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 04:58:06,429 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:07,116 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 04:58:07,116 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1739872609] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:07,116 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:07,116 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24, 24, 24] total 47 [2024-11-17 04:58:07,116 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115505947] [2024-11-17 04:58:07,117 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:07,117 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-11-17 04:58:07,117 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:07,119 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-11-17 04:58:07,121 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-11-17 04:58:07,121 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 04:58:07,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:07,491 INFO L93 Difference]: Finished difference Result 156 states and 159 transitions. [2024-11-17 04:58:07,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2024-11-17 04:58:07,492 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 04:58:07,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:07,493 INFO L225 Difference]: With dead ends: 156 [2024-11-17 04:58:07,493 INFO L226 Difference]: Without dead ends: 155 [2024-11-17 04:58:07,495 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 04:58:07,496 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-17 04:58:07,496 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [291 Valid, 465 Invalid, 226 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 196 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-17 04:58:07,497 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-11-17 04:58:07,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-11-17 04:58:07,508 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 04:58:07,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 158 transitions. [2024-11-17 04:58:07,510 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 158 transitions. Word has length 56 [2024-11-17 04:58:07,510 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:07,510 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 158 transitions. [2024-11-17 04:58:07,510 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 04:58:07,511 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 158 transitions. [2024-11-17 04:58:07,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-17 04:58:07,512 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:07,513 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1] [2024-11-17 04:58:07,531 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-17 04:58:07,716 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 04:58:07,717 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:07,717 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:07,717 INFO L85 PathProgramCache]: Analyzing trace with hash -1235814223, now seen corresponding path program 2 times [2024-11-17 04:58:07,717 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:07,717 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1258499910] [2024-11-17 04:58:07,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:07,717 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:07,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:07,787 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2024-11-17 04:58:07,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:07,834 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:07,874 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:07,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:07,910 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 04:58:07,911 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:07,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1258499910] [2024-11-17 04:58:07,911 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1258499910] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:07,911 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [399952020] [2024-11-17 04:58:07,911 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-17 04:58:07,911 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:07,911 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:07,913 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 04:58:07,915 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 04:58:07,967 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-17 04:58:07,968 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:07,968 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-17 04:58:07,970 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:08,011 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 04:58:08,011 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:08,190 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 04:58:08,190 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [399952020] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:08,190 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:08,190 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-11-17 04:58:08,190 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743363018] [2024-11-17 04:58:08,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:08,191 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-11-17 04:58:08,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:08,194 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-11-17 04:58:08,194 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-11-17 04:58:08,194 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 04:58:08,343 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:08,343 INFO L93 Difference]: Finished difference Result 266 states and 304 transitions. [2024-11-17 04:58:08,344 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-17 04:58:08,344 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 04:58:08,344 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:08,346 INFO L225 Difference]: With dead ends: 266 [2024-11-17 04:58:08,346 INFO L226 Difference]: Without dead ends: 265 [2024-11-17 04:58:08,346 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 04:58:08,347 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 39 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 88 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s 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 04:58:08,347 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 04:58:08,348 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 265 states. [2024-11-17 04:58:08,366 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 265 to 265. [2024-11-17 04:58:08,367 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 04:58:08,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 265 states and 282 transitions. [2024-11-17 04:58:08,369 INFO L78 Accepts]: Start accepts. Automaton has 265 states and 282 transitions. Word has length 72 [2024-11-17 04:58:08,369 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:08,369 INFO L471 AbstractCegarLoop]: Abstraction has 265 states and 282 transitions. [2024-11-17 04:58:08,369 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 04:58:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 265 states and 282 transitions. [2024-11-17 04:58:08,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2024-11-17 04:58:08,373 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:08,373 INFO L215 NwaCegarLoop]: trace histogram [11, 10, 10, 10, 10, 7, 7, 7, 7, 6, 6, 1, 1, 1, 1, 1] [2024-11-17 04:58:08,395 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-17 04:58:08,573 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 04:58:08,574 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:08,575 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:08,575 INFO L85 PathProgramCache]: Analyzing trace with hash -1143676627, now seen corresponding path program 3 times [2024-11-17 04:58:08,575 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:08,575 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [105626415] [2024-11-17 04:58:08,575 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:08,575 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:08,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,703 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2024-11-17 04:58:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,772 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,854 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,912 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:08,988 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:08,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,020 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:09,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:09,054 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 04:58:09,054 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:09,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [105626415] [2024-11-17 04:58:09,054 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [105626415] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:09,054 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1841131607] [2024-11-17 04:58:09,054 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-17 04:58:09,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:09,055 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:09,056 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 04:58:09,058 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 04:58:09,113 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-17 04:58:09,113 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:09,114 INFO L255 TraceCheckSpWp]: Trace formula consists of 148 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-17 04:58:09,117 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:09,220 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 04:58:09,221 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:10,572 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 04:58:10,573 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1841131607] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:10,573 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:10,573 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-11-17 04:58:10,573 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594499215] [2024-11-17 04:58:10,573 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:10,574 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-11-17 04:58:10,574 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:10,575 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-11-17 04:58:10,575 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-11-17 04:58:10,575 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 04:58:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:10,936 INFO L93 Difference]: Finished difference Result 734 states and 835 transitions. [2024-11-17 04:58:10,936 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-11-17 04:58:10,937 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 04:58:10,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:10,939 INFO L225 Difference]: With dead ends: 734 [2024-11-17 04:58:10,939 INFO L226 Difference]: Without dead ends: 448 [2024-11-17 04:58:10,942 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 04:58:10,943 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 04:58:10,943 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 04:58:10,943 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 448 states. [2024-11-17 04:58:10,964 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 448 to 448. [2024-11-17 04:58:10,965 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 04:58:10,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 448 states to 448 states and 468 transitions. [2024-11-17 04:58:10,968 INFO L78 Accepts]: Start accepts. Automaton has 448 states and 468 transitions. Word has length 96 [2024-11-17 04:58:10,969 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:10,969 INFO L471 AbstractCegarLoop]: Abstraction has 448 states and 468 transitions. [2024-11-17 04:58:10,969 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 04:58:10,969 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 468 transitions. [2024-11-17 04:58:10,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2024-11-17 04:58:10,973 INFO L207 NwaCegarLoop]: Found error trace [2024-11-17 04:58:10,973 INFO L215 NwaCegarLoop]: trace histogram [27, 26, 26, 26, 26, 15, 15, 15, 15, 14, 14, 1, 1, 1, 1, 1] [2024-11-17 04:58:10,987 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-17 04:58:11,177 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 04:58:11,178 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-11-17 04:58:11,178 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-17 04:58:11,178 INFO L85 PathProgramCache]: Analyzing trace with hash 70819621, now seen corresponding path program 4 times [2024-11-17 04:58:11,178 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-17 04:58:11,178 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1886546611] [2024-11-17 04:58:11,179 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-17 04:58:11,179 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-17 04:58:11,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:11,555 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2024-11-17 04:58:11,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:11,839 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,039 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,249 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,406 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,558 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,676 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,775 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,868 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:12,980 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:12,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:13,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:13,113 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:13,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:13,170 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:13,222 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:13,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:13,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-11-17 04:58:13,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-17 04:58:13,334 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 04:58:13,334 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-17 04:58:13,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1886546611] [2024-11-17 04:58:13,335 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1886546611] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-17 04:58:13,335 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1125232934] [2024-11-17 04:58:13,335 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-17 04:58:13,335 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-17 04:58:13,336 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-17 04:58:13,337 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 04:58:13,339 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 04:58:13,427 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-17 04:58:13,428 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-17 04:58:13,430 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 56 conjuncts are in the unsatisfiable core [2024-11-17 04:58:13,437 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-17 04:58:14,613 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 04:58:14,613 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-17 04:58:28,457 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 04:58:28,457 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1125232934] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-17 04:58:28,458 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-17 04:58:28,458 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 43, 57] total 114 [2024-11-17 04:58:28,458 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1869493945] [2024-11-17 04:58:28,458 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-17 04:58:28,459 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 114 states [2024-11-17 04:58:28,459 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-17 04:58:28,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 114 interpolants. [2024-11-17 04:58:28,464 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1383, Invalid=11499, Unknown=0, NotChecked=0, Total=12882 [2024-11-17 04:58:28,464 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 04:58:29,008 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-17 04:58:29,008 INFO L93 Difference]: Finished difference Result 452 states and 472 transitions. [2024-11-17 04:58:29,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2024-11-17 04:58:29,010 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 04:58:29,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-17 04:58:29,011 INFO L225 Difference]: With dead ends: 452 [2024-11-17 04:58:29,011 INFO L226 Difference]: Without dead ends: 0 [2024-11-17 04:58:29,016 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 519 GetRequests, 380 SyntacticMatches, 15 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7914 ImplicationChecksByTransitivity, 2.9s TimeCoverageRelationStatistics Valid=2121, Invalid=13629, Unknown=0, NotChecked=0, Total=15750 [2024-11-17 04:58:29,017 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 04:58:29,017 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 04:58:29,018 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-17 04:58:29,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-17 04:58:29,018 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 04:58:29,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-17 04:58:29,018 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 224 [2024-11-17 04:58:29,019 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-17 04:58:29,019 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-17 04:58:29,019 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 04:58:29,019 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-17 04:58:29,020 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-17 04:58:29,022 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-11-17 04:58:29,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-11-17 04:58:29,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-11-17 04:58:29,023 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-11-17 04:58:29,041 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-17 04:58:29,227 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 04:58:29,230 INFO L407 BasicCegarLoop]: Path program histogram: [4, 3, 1, 1, 1, 1] [2024-11-17 04:58:29,233 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-17 04:58:30,046 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-17 04:58:30,107 WARN L976 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-11-17 04:58:30,114 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 17.11 04:58:30 BoogieIcfgContainer [2024-11-17 04:58:30,114 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-17 04:58:30,115 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-17 04:58:30,115 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-17 04:58:30,115 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-17 04:58:30,116 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.icfgbuilder CFG 17.11 04:58:01" (3/4) ... [2024-11-17 04:58:30,117 INFO L143 WitnessPrinter]: Generating witness for correct program [2024-11-17 04:58:30,121 INFO L393 IcfgBacktranslator]: Ignoring RootEdge to procedure id [2024-11-17 04:58:30,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-11-17 04:58:30,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-11-17 04:58:30,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-17 04:58:30,123 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-17 04:58:30,203 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-17 04:58:30,203 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-17 04:58:30,204 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-17 04:58:30,204 INFO L158 Benchmark]: Toolchain (without parser) took 29617.86ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 134.2MB in the beginning and 314.9MB in the end (delta: -180.7MB). Peak memory consumption was 26.9MB. Max. memory is 16.1GB. [2024-11-17 04:58:30,204 INFO L158 Benchmark]: CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:58:30,204 INFO L158 Benchmark]: CACSL2BoogieTranslator took 253.76ms. Allocated memory is still 188.7MB. Free memory was 133.7MB in the beginning and 122.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-17 04:58:30,205 INFO L158 Benchmark]: Boogie Procedure Inliner took 35.77ms. Allocated memory is still 188.7MB. Free memory was 122.1MB in the beginning and 120.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-17 04:58:30,205 INFO L158 Benchmark]: Boogie Preprocessor took 29.77ms. Allocated memory is still 188.7MB. Free memory was 120.6MB in the beginning and 119.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-17 04:58:30,205 INFO L158 Benchmark]: IcfgBuilder took 314.76ms. Allocated memory is still 188.7MB. Free memory was 119.5MB in the beginning and 109.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-11-17 04:58:30,206 INFO L158 Benchmark]: TraceAbstraction took 28888.88ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 108.0MB in the beginning and 319.1MB in the end (delta: -211.1MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. [2024-11-17 04:58:30,206 INFO L158 Benchmark]: Witness Printer took 88.75ms. Allocated memory is still 394.3MB. Free memory was 319.1MB in the beginning and 314.9MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-11-17 04:58:30,208 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.05ms. Allocated memory is still 117.4MB. Free memory was 51.8MB in the beginning and 51.7MB in the end (delta: 151.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 253.76ms. Allocated memory is still 188.7MB. Free memory was 133.7MB in the beginning and 122.1MB in the end (delta: 11.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 35.77ms. Allocated memory is still 188.7MB. Free memory was 122.1MB in the beginning and 120.6MB in the end (delta: 1.5MB). There was no memory consumed. Max. memory is 16.1GB. * Boogie Preprocessor took 29.77ms. Allocated memory is still 188.7MB. Free memory was 120.6MB in the beginning and 119.5MB in the end (delta: 1.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * IcfgBuilder took 314.76ms. Allocated memory is still 188.7MB. Free memory was 119.5MB in the beginning and 109.0MB in the end (delta: 10.5MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 28888.88ms. Allocated memory was 188.7MB in the beginning and 394.3MB in the end (delta: 205.5MB). Free memory was 108.0MB in the beginning and 319.1MB in the end (delta: -211.1MB). Peak memory consumption was 188.3MB. Max. memory is 16.1GB. * Witness Printer took 88.75ms. Allocated memory is still 394.3MB. Free memory was 319.1MB in the beginning and 314.9MB in the end (delta: 4.2MB). 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: 27.9s, OverallIterations: 11, TraceHistogramMax: 27, PathProgramHistogramMax: 4, EmptinessCheckTime: 0.0s, AutomataDifference: 2.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1124 SdHoareTripleChecker+Valid, 1.4s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1096 mSDsluCounter, 1780 SdHoareTripleChecker+Invalid, 1.1s 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, 5.6s 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: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 22.6s 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 04:58:30,243 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE