./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 14:00:15,664 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 14:00:15,735 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 14:00:15,739 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 14:00:15,739 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 14:00:15,758 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 14:00:15,759 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 14:00:15,759 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 14:00:15,760 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 14:00:15,760 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 14:00:15,760 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 14:00:15,761 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 14:00:15,761 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 14:00:15,762 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 14:00:15,762 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 14:00:15,762 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 14:00:15,763 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 14:00:15,766 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 14:00:15,767 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 14:00:15,767 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 14:00:15,767 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 14:00:15,767 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 14:00:15,768 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 14:00:15,768 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 14:00:15,768 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 14:00:15,768 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 14:00:15,768 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 14:00:15,769 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 14:00:15,769 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 14:00:15,769 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 14:00:15,769 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 14:00:15,770 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 14:00:15,770 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 14:00:15,770 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 14:00:15,770 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:00:15,771 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 14:00:15,771 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 14:00:15,771 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 14:00:15,772 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 14:00:15,772 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 14:00:15,772 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 14:00:15,772 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 14:00:15,773 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 14:00:15,773 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 14:00:15,774 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> c3376ee309c42e8280cfc81381fd928e4a895fffc424cbfa81d01112976a2d85 [2024-10-13 14:00:16,029 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 14:00:16,054 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 14:00:16,056 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 14:00:16,057 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 14:00:16,057 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 14:00:16,058 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-10-13 14:00:17,421 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 14:00:17,614 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 14:00:17,614 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/recursive-simple/id_i20_o20-1.c [2024-10-13 14:00:17,628 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1a8756b/9d7da38b122b4d1f843c70ac072efe2d/FLAG5af7a97c6 [2024-10-13 14:00:18,006 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/0b1a8756b/9d7da38b122b4d1f843c70ac072efe2d [2024-10-13 14:00:18,010 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 14:00:18,011 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 14:00:18,012 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 14:00:18,013 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 14:00:18,018 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 14:00:18,019 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,020 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6a956950 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18, skipping insertion in model container [2024-10-13 14:00:18,020 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,038 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 14:00:18,198 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:00:18,210 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 14:00:18,223 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 14:00:18,240 INFO L204 MainTranslator]: Completed translation [2024-10-13 14:00:18,241 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18 WrapperNode [2024-10-13 14:00:18,241 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 14:00:18,242 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 14:00:18,242 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 14:00:18,242 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 14:00:18,249 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,255 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,270 INFO L138 Inliner]: procedures = 13, calls = 10, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 19 [2024-10-13 14:00:18,270 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 14:00:18,271 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 14:00:18,271 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 14:00:18,271 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 14:00:18,279 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,280 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,281 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,295 INFO L175 MemorySlicer]: Split 2 memory accesses to 1 slices as follows [2]. 100 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2]. The 0 writes are split as follows [0]. [2024-10-13 14:00:18,296 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,296 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,298 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,299 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,300 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,301 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,304 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 14:00:18,305 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 14:00:18,309 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 14:00:18,309 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 14:00:18,310 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (1/1) ... [2024-10-13 14:00:18,318 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 14:00:18,330 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:18,347 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 14:00:18,355 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 14:00:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 14:00:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 14:00:18,400 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 14:00:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 14:00:18,400 INFO L130 BoogieDeclarations]: Found specification of procedure id [2024-10-13 14:00:18,401 INFO L138 BoogieDeclarations]: Found implementation of procedure id [2024-10-13 14:00:18,463 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 14:00:18,465 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 14:00:18,584 INFO L? ?]: Removed 9 outVars from TransFormulas that were not future-live. [2024-10-13 14:00:18,588 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 14:00:18,623 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 14:00:18,623 INFO L314 CfgBuilder]: Removed 0 assume(true) statements. [2024-10-13 14:00:18,624 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:00:18 BoogieIcfgContainer [2024-10-13 14:00:18,624 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 14:00:18,626 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 14:00:18,628 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 14:00:18,630 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 14:00:18,631 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 02:00:18" (1/3) ... [2024-10-13 14:00:18,632 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f330ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:00:18, skipping insertion in model container [2024-10-13 14:00:18,632 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 02:00:18" (2/3) ... [2024-10-13 14:00:18,633 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f330ba7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 02:00:18, skipping insertion in model container [2024-10-13 14:00:18,633 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:00:18" (3/3) ... [2024-10-13 14:00:18,634 INFO L112 eAbstractionObserver]: Analyzing ICFG id_i20_o20-1.c [2024-10-13 14:00:18,653 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 14:00:18,654 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 4 error locations. [2024-10-13 14:00:18,713 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 14:00:18,721 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;@632dd741, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 14:00:18,721 INFO L334 AbstractCegarLoop]: Starting to check reachability of 4 error locations. [2024-10-13 14:00:18,725 INFO L276 IsEmpty]: Start isEmpty. Operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 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) [2024-10-13 14:00:18,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-10-13 14:00:18,734 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:18,734 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-10-13 14:00:18,735 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:18,742 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:18,745 INFO L85 PathProgramCache]: Analyzing trace with hash 63799541, now seen corresponding path program 1 times [2024-10-13 14:00:18,753 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:18,753 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [321412814] [2024-10-13 14:00:18,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:18,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:18,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:18,987 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:18,988 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:18,988 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [321412814] [2024-10-13 14:00:18,989 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [321412814] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:18,989 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:18,989 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:00:18,991 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2093048487] [2024-10-13 14:00:18,992 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:18,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:00:18,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:19,012 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:00:19,013 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 14:00:19,015 INFO L87 Difference]: Start difference. First operand has 20 states, 12 states have (on average 1.5) internal successors, (18), 16 states have internal predecessors, (18), 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 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:19,099 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:19,100 INFO L93 Difference]: Finished difference Result 40 states and 43 transitions. [2024-10-13 14:00:19,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:00:19,103 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 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 5 [2024-10-13 14:00:19,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:19,110 INFO L225 Difference]: With dead ends: 40 [2024-10-13 14:00:19,110 INFO L226 Difference]: Without dead ends: 27 [2024-10-13 14:00:19,113 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 14:00:19,116 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 21 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 31 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 22 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 34 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 31 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:19,117 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [22 Valid, 50 Invalid, 34 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 31 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:00:19,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2024-10-13 14:00:19,140 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 24. [2024-10-13 14:00:19,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24 states, 16 states have (on average 1.4375) internal successors, (23), 19 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) [2024-10-13 14:00:19,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 28 transitions. [2024-10-13 14:00:19,143 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 28 transitions. Word has length 5 [2024-10-13 14:00:19,144 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:19,144 INFO L471 AbstractCegarLoop]: Abstraction has 24 states and 28 transitions. [2024-10-13 14:00:19,144 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.3333333333333333) internal successors, (4), 3 states have internal predecessors, (4), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 28 transitions. [2024-10-13 14:00:19,145 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 14:00:19,145 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:19,145 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1] [2024-10-13 14:00:19,145 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 14:00:19,145 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:19,146 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:19,146 INFO L85 PathProgramCache]: Analyzing trace with hash 1977785826, now seen corresponding path program 1 times [2024-10-13 14:00:19,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:19,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073261217] [2024-10-13 14:00:19,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:19,147 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:19,229 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:19,230 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:19,230 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073261217] [2024-10-13 14:00:19,230 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073261217] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:19,231 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:19,231 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:00:19,231 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317491549] [2024-10-13 14:00:19,232 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:19,233 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 14:00:19,233 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:19,234 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 14:00:19,235 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2024-10-13 14:00:19,235 INFO L87 Difference]: Start difference. First operand 24 states and 28 transitions. Second operand has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-10-13 14:00:19,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:19,283 INFO L93 Difference]: Finished difference Result 26 states and 31 transitions. [2024-10-13 14:00:19,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-10-13 14:00:19,283 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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 [2024-10-13 14:00:19,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:19,285 INFO L225 Difference]: With dead ends: 26 [2024-10-13 14:00:19,285 INFO L226 Difference]: Without dead ends: 25 [2024-10-13 14:00:19,286 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-10-13 14:00:19,287 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 19 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 23 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 19 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 23 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:19,287 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 19 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 23 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:00:19,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25 states. [2024-10-13 14:00:19,295 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25 to 23. [2024-10-13 14:00:19,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23 states, 16 states have (on average 1.3125) internal successors, (21), 18 states have internal predecessors, (21), 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) [2024-10-13 14:00:19,296 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 26 transitions. [2024-10-13 14:00:19,296 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 26 transitions. Word has length 6 [2024-10-13 14:00:19,297 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:19,297 INFO L471 AbstractCegarLoop]: Abstraction has 23 states and 26 transitions. [2024-10-13 14:00:19,297 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 3 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) [2024-10-13 14:00:19,297 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 26 transitions. [2024-10-13 14:00:19,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-10-13 14:00:19,298 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:19,298 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 14:00:19,298 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-10-13 14:00:19,298 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:19,299 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:19,299 INFO L85 PathProgramCache]: Analyzing trace with hash 1708859346, now seen corresponding path program 1 times [2024-10-13 14:00:19,299 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:19,299 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [590234016] [2024-10-13 14:00:19,300 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:19,300 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:19,391 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:19,391 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:19,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [590234016] [2024-10-13 14:00:19,392 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [590234016] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:19,392 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1876101073] [2024-10-13 14:00:19,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:19,392 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:19,392 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:19,396 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:19,398 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 14:00:19,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:19,437 INFO L255 TraceCheckSpWp]: Trace formula consists of 40 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 14:00:19,443 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:19,546 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:19,546 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:19,642 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:19,643 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1876101073] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:19,643 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:19,643 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-10-13 14:00:19,643 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1057903860] [2024-10-13 14:00:19,644 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:19,644 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-10-13 14:00:19,644 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:19,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-10-13 14:00:19,648 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=98, Unknown=0, NotChecked=0, Total=132 [2024-10-13 14:00:19,649 INFO L87 Difference]: Start difference. First operand 23 states and 26 transitions. Second operand has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-13 14:00:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:19,808 INFO L93 Difference]: Finished difference Result 75 states and 81 transitions. [2024-10-13 14:00:19,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 14:00:19,809 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 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 10 [2024-10-13 14:00:19,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:19,810 INFO L225 Difference]: With dead ends: 75 [2024-10-13 14:00:19,810 INFO L226 Difference]: Without dead ends: 67 [2024-10-13 14:00:19,811 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 27 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=68, Invalid=172, Unknown=0, NotChecked=0, Total=240 [2024-10-13 14:00:19,812 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 88 mSDsluCounter, 86 mSDsCounter, 0 mSdLazyCounter, 86 mSolverCounterSat, 13 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 89 SdHoareTripleChecker+Valid, 100 SdHoareTripleChecker+Invalid, 99 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 13 IncrementalHoareTripleChecker+Valid, 86 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:19,813 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [89 Valid, 100 Invalid, 99 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [13 Valid, 86 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:19,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2024-10-13 14:00:19,827 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 53. [2024-10-13 14:00:19,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 53 states, 40 states have (on average 1.325) internal successors, (53), 42 states have internal predecessors, (53), 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) [2024-10-13 14:00:19,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 64 transitions. [2024-10-13 14:00:19,832 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 64 transitions. Word has length 10 [2024-10-13 14:00:19,832 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:19,832 INFO L471 AbstractCegarLoop]: Abstraction has 53 states and 64 transitions. [2024-10-13 14:00:19,832 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 9 states have (on average 1.7777777777777777) internal successors, (16), 7 states have internal predecessors, (16), 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) [2024-10-13 14:00:19,832 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 64 transitions. [2024-10-13 14:00:19,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-10-13 14:00:19,833 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:19,833 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 14:00:19,854 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 14:00:20,033 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 [2024-10-13 14:00:20,034 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:20,036 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:20,036 INFO L85 PathProgramCache]: Analyzing trace with hash 1465280389, now seen corresponding path program 1 times [2024-10-13 14:00:20,036 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:20,036 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2066382463] [2024-10-13 14:00:20,036 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:20,036 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,141 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 11 [2024-10-13 14:00:20,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 14:00:20,171 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:20,171 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2066382463] [2024-10-13 14:00:20,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2066382463] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:20,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:20,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 14:00:20,172 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [406470964] [2024-10-13 14:00:20,172 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:20,172 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 14:00:20,172 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:20,174 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 14:00:20,175 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 14:00:20,175 INFO L87 Difference]: Start difference. First operand 53 states and 64 transitions. Second operand has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-10-13 14:00:20,202 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:20,203 INFO L93 Difference]: Finished difference Result 73 states and 91 transitions. [2024-10-13 14:00:20,205 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 14:00:20,205 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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 18 [2024-10-13 14:00:20,206 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:20,207 INFO L225 Difference]: With dead ends: 73 [2024-10-13 14:00:20,207 INFO L226 Difference]: Without dead ends: 71 [2024-10-13 14:00:20,207 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 [2024-10-13 14:00:20,210 INFO L432 NwaCegarLoop]: 12 mSDtfsCounter, 1 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 33 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 [2024-10-13 14:00:20,210 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 33 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:00:20,211 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2024-10-13 14:00:20,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 71. [2024-10-13 14:00:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 71 states, 55 states have (on average 1.2363636363636363) internal successors, (68), 56 states have internal predecessors, (68), 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) [2024-10-13 14:00:20,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 83 transitions. [2024-10-13 14:00:20,227 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 83 transitions. Word has length 18 [2024-10-13 14:00:20,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:20,227 INFO L471 AbstractCegarLoop]: Abstraction has 71 states and 83 transitions. [2024-10-13 14:00:20,227 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.0) internal successors, (9), 4 states have internal predecessors, (9), 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) [2024-10-13 14:00:20,227 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 83 transitions. [2024-10-13 14:00:20,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2024-10-13 14:00:20,228 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:20,228 INFO L215 NwaCegarLoop]: trace histogram [3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-10-13 14:00:20,229 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2024-10-13 14:00:20,229 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:20,229 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:20,229 INFO L85 PathProgramCache]: Analyzing trace with hash 2013219646, now seen corresponding path program 1 times [2024-10-13 14:00:20,229 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:20,230 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [709270306] [2024-10-13 14:00:20,230 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:20,230 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:20,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,269 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 6 [2024-10-13 14:00:20,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,277 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:20,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,283 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2024-10-13 14:00:20,286 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:20,287 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [709270306] [2024-10-13 14:00:20,287 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [709270306] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 14:00:20,287 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 14:00:20,287 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 14:00:20,287 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1285739111] [2024-10-13 14:00:20,287 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 14:00:20,288 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 14:00:20,288 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:20,288 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 14:00:20,288 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 14:00:20,289 INFO L87 Difference]: Start difference. First operand 71 states and 83 transitions. Second operand has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2024-10-13 14:00:20,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:20,306 INFO L93 Difference]: Finished difference Result 71 states and 83 transitions. [2024-10-13 14:00:20,307 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 14:00:20,307 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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 23 [2024-10-13 14:00:20,307 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:20,308 INFO L225 Difference]: With dead ends: 71 [2024-10-13 14:00:20,308 INFO L226 Difference]: Without dead ends: 70 [2024-10-13 14:00:20,308 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 [2024-10-13 14:00:20,309 INFO L432 NwaCegarLoop]: 11 mSDtfsCounter, 1 mSDsluCounter, 10 mSDsCounter, 0 mSdLazyCounter, 7 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 7 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 7 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:20,310 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 21 Invalid, 7 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 7 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 14:00:20,310 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 70 states. [2024-10-13 14:00:20,321 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 70 to 70. [2024-10-13 14:00:20,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 70 states, 55 states have (on average 1.1454545454545455) internal successors, (63), 55 states have internal predecessors, (63), 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) [2024-10-13 14:00:20,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 78 transitions. [2024-10-13 14:00:20,326 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 78 transitions. Word has length 23 [2024-10-13 14:00:20,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:20,327 INFO L471 AbstractCegarLoop]: Abstraction has 70 states and 78 transitions. [2024-10-13 14:00:20,327 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 6.0) internal successors, (12), 3 states have internal predecessors, (12), 1 states have call successors, (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) [2024-10-13 14:00:20,327 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 78 transitions. [2024-10-13 14:00:20,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2024-10-13 14:00:20,328 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:20,328 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 4, 4, 1, 1, 1] [2024-10-13 14:00:20,328 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 14:00:20,328 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:20,329 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:20,329 INFO L85 PathProgramCache]: Analyzing trace with hash 1685904693, now seen corresponding path program 2 times [2024-10-13 14:00:20,329 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:20,329 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1251622686] [2024-10-13 14:00:20,329 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:20,329 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:20,519 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:20,519 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:20,519 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1251622686] [2024-10-13 14:00:20,519 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1251622686] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:20,520 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1743977496] [2024-10-13 14:00:20,523 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:00:20,524 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:20,524 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:20,525 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:20,527 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 14:00:20,567 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:00:20,567 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:20,568 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 14:00:20,570 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:20,619 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:20,619 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:20,836 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:20,836 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1743977496] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:20,836 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:20,837 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11, 11, 11] total 22 [2024-10-13 14:00:20,837 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1595623806] [2024-10-13 14:00:20,837 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:20,837 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-10-13 14:00:20,838 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:20,839 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-10-13 14:00:20,840 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-10-13 14:00:20,840 INFO L87 Difference]: Start difference. First operand 70 states and 78 transitions. Second operand has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 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) [2024-10-13 14:00:21,180 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:21,181 INFO L93 Difference]: Finished difference Result 187 states and 203 transitions. [2024-10-13 14:00:21,181 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 14:00:21,181 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 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 25 [2024-10-13 14:00:21,182 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:21,183 INFO L225 Difference]: With dead ends: 187 [2024-10-13 14:00:21,183 INFO L226 Difference]: Without dead ends: 155 [2024-10-13 14:00:21,184 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 69 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 180 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=311, Invalid=811, Unknown=0, NotChecked=0, Total=1122 [2024-10-13 14:00:21,185 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 280 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 175 mSolverCounterSat, 37 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 281 SdHoareTripleChecker+Valid, 215 SdHoareTripleChecker+Invalid, 212 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 37 IncrementalHoareTripleChecker+Valid, 175 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:21,185 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [281 Valid, 215 Invalid, 212 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [37 Valid, 175 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:21,186 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 155 states. [2024-10-13 14:00:21,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 155 to 145. [2024-10-13 14:00:21,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 145 states, 115 states have (on average 1.1478260869565218) internal successors, (132), 115 states have internal predecessors, (132), 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) [2024-10-13 14:00:21,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 145 states to 145 states and 162 transitions. [2024-10-13 14:00:21,203 INFO L78 Accepts]: Start accepts. Automaton has 145 states and 162 transitions. Word has length 25 [2024-10-13 14:00:21,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:21,204 INFO L471 AbstractCegarLoop]: Abstraction has 145 states and 162 transitions. [2024-10-13 14:00:21,204 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 21 states have (on average 1.9047619047619047) internal successors, (40), 13 states have internal predecessors, (40), 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) [2024-10-13 14:00:21,204 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 162 transitions. [2024-10-13 14:00:21,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-10-13 14:00:21,205 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:21,205 INFO L215 NwaCegarLoop]: trace histogram [6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-10-13 14:00:21,222 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:21,409 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable5 [2024-10-13 14:00:21,410 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:21,410 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:21,410 INFO L85 PathProgramCache]: Analyzing trace with hash -1776865054, now seen corresponding path program 1 times [2024-10-13 14:00:21,410 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:21,410 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1620947754] [2024-10-13 14:00:21,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:21,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:21,471 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 21 [2024-10-13 14:00:21,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:21,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:21,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:21,553 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2024-10-13 14:00:21,554 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:21,554 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1620947754] [2024-10-13 14:00:21,554 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1620947754] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:21,555 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [828501372] [2024-10-13 14:00:21,555 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:21,555 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:21,555 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:21,557 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:21,559 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 14:00:21,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:21,595 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 14 conjuncts are in the unsatisfiable core [2024-10-13 14:00:21,596 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:21,786 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 60 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-10-13 14:00:21,787 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:22,206 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 3 proven. 61 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 14:00:22,207 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [828501372] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:22,207 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:22,207 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 14, 15] total 30 [2024-10-13 14:00:22,207 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1791280751] [2024-10-13 14:00:22,207 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:22,208 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 30 states [2024-10-13 14:00:22,208 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:22,209 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2024-10-13 14:00:22,210 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=145, Invalid=725, Unknown=0, NotChecked=0, Total=870 [2024-10-13 14:00:22,210 INFO L87 Difference]: Start difference. First operand 145 states and 162 transitions. Second operand has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 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) [2024-10-13 14:00:22,630 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:22,630 INFO L93 Difference]: Finished difference Result 207 states and 226 transitions. [2024-10-13 14:00:22,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-10-13 14:00:22,631 INFO L78 Accepts]: Start accepts. Automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 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 39 [2024-10-13 14:00:22,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:22,632 INFO L225 Difference]: With dead ends: 207 [2024-10-13 14:00:22,632 INFO L226 Difference]: Without dead ends: 141 [2024-10-13 14:00:22,633 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 104 GetRequests, 63 SyntacticMatches, 2 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 324 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=318, Invalid=1322, Unknown=0, NotChecked=0, Total=1640 [2024-10-13 14:00:22,634 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 187 mSDsluCounter, 309 mSDsCounter, 0 mSdLazyCounter, 359 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 190 SdHoareTripleChecker+Valid, 351 SdHoareTripleChecker+Invalid, 381 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 359 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:22,634 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [190 Valid, 351 Invalid, 381 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 359 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:22,635 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 141 states. [2024-10-13 14:00:22,654 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 141 to 133. [2024-10-13 14:00:22,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 133 states, 106 states have (on average 1.1132075471698113) internal successors, (118), 105 states have internal predecessors, (118), 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) [2024-10-13 14:00:22,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 133 states and 146 transitions. [2024-10-13 14:00:22,659 INFO L78 Accepts]: Start accepts. Automaton has 133 states and 146 transitions. Word has length 39 [2024-10-13 14:00:22,661 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:22,662 INFO L471 AbstractCegarLoop]: Abstraction has 133 states and 146 transitions. [2024-10-13 14:00:22,662 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 30 states, 28 states have (on average 2.4285714285714284) internal successors, (68), 22 states have internal predecessors, (68), 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) [2024-10-13 14:00:22,662 INFO L276 IsEmpty]: Start isEmpty. Operand 133 states and 146 transitions. [2024-10-13 14:00:22,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-10-13 14:00:22,663 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:22,663 INFO L215 NwaCegarLoop]: trace histogram [11, 11, 10, 10, 10, 1, 1, 1] [2024-10-13 14:00:22,680 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 14:00:22,867 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 [2024-10-13 14:00:22,868 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:22,868 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:22,868 INFO L85 PathProgramCache]: Analyzing trace with hash 2091957141, now seen corresponding path program 3 times [2024-10-13 14:00:22,868 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:22,868 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535420724] [2024-10-13 14:00:22,869 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:22,869 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:22,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:23,298 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:23,298 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:23,298 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535420724] [2024-10-13 14:00:23,299 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535420724] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:23,299 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1693642112] [2024-10-13 14:00:23,299 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:00:23,299 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:23,299 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:23,301 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:23,302 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 14:00:23,358 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 11 check-sat command(s) [2024-10-13 14:00:23,358 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:23,363 INFO L255 TraceCheckSpWp]: Trace formula consists of 121 conjuncts, 24 conjuncts are in the unsatisfiable core [2024-10-13 14:00:23,365 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:23,465 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:23,465 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:24,091 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 0 proven. 255 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:24,092 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1693642112] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:24,092 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:24,092 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23, 23, 23] total 46 [2024-10-13 14:00:24,092 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [476556872] [2024-10-13 14:00:24,092 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:24,093 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-13 14:00:24,093 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:24,094 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-13 14:00:24,095 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=556, Invalid=1700, Unknown=0, NotChecked=0, Total=2256 [2024-10-13 14:00:24,095 INFO L87 Difference]: Start difference. First operand 133 states and 146 transitions. Second operand has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 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) [2024-10-13 14:00:24,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:24,910 INFO L93 Difference]: Finished difference Result 437 states and 469 transitions. [2024-10-13 14:00:24,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2024-10-13 14:00:24,911 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 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 55 [2024-10-13 14:00:24,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:24,913 INFO L225 Difference]: With dead ends: 437 [2024-10-13 14:00:24,914 INFO L226 Difference]: Without dead ends: 385 [2024-10-13 14:00:24,916 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 85 SyntacticMatches, 0 SemanticMatches, 68 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 924 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=1337, Invalid=3493, Unknown=0, NotChecked=0, Total=4830 [2024-10-13 14:00:24,916 INFO L432 NwaCegarLoop]: 55 mSDtfsCounter, 610 mSDsluCounter, 494 mSDsCounter, 0 mSdLazyCounter, 380 mSolverCounterSat, 71 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 611 SdHoareTripleChecker+Valid, 549 SdHoareTripleChecker+Invalid, 451 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 71 IncrementalHoareTripleChecker+Valid, 380 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.3s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:24,917 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [611 Valid, 549 Invalid, 451 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [71 Valid, 380 Invalid, 0 Unknown, 0 Unchecked, 0.3s Time] [2024-10-13 14:00:24,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 385 states. [2024-10-13 14:00:24,938 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 385 to 363. [2024-10-13 14:00:24,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 363 states, 290 states have (on average 1.1206896551724137) internal successors, (325), 289 states have internal predecessors, (325), 24 states have call successors, (24), 23 states have call predecessors, (24), 47 states have return successors, (50), 50 states have call predecessors, (50), 23 states have call successors, (50) [2024-10-13 14:00:24,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 363 states to 363 states and 399 transitions. [2024-10-13 14:00:24,941 INFO L78 Accepts]: Start accepts. Automaton has 363 states and 399 transitions. Word has length 55 [2024-10-13 14:00:24,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:24,941 INFO L471 AbstractCegarLoop]: Abstraction has 363 states and 399 transitions. [2024-10-13 14:00:24,942 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 45 states have (on average 1.9555555555555555) internal successors, (88), 25 states have internal predecessors, (88), 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) [2024-10-13 14:00:24,942 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 399 transitions. [2024-10-13 14:00:24,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 75 [2024-10-13 14:00:24,943 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:24,944 INFO L215 NwaCegarLoop]: trace histogram [12, 11, 11, 11, 11, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-13 14:00:24,960 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-10-13 14:00:25,144 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 [2024-10-13 14:00:25,145 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:25,145 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:25,146 INFO L85 PathProgramCache]: Analyzing trace with hash -543530731, now seen corresponding path program 2 times [2024-10-13 14:00:25,146 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:25,146 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111031380] [2024-10-13 14:00:25,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:25,146 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:25,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:25,531 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 46 [2024-10-13 14:00:25,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:25,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:25,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:25,627 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:25,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:25,675 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 299 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 14:00:25,675 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:25,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111031380] [2024-10-13 14:00:25,676 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1111031380] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:25,676 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633871825] [2024-10-13 14:00:25,676 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 14:00:25,676 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:25,676 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:25,677 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:25,678 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 14:00:25,721 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 14:00:25,721 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:25,722 INFO L255 TraceCheckSpWp]: Trace formula consists of 157 conjuncts, 26 conjuncts are in the unsatisfiable core [2024-10-13 14:00:25,725 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:25,866 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 297 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2024-10-13 14:00:25,867 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:26,620 INFO L134 CoverageAnalysis]: Checked inductivity of 312 backedges. 6 proven. 303 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-10-13 14:00:26,620 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633871825] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:26,620 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:26,620 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 25, 27] total 48 [2024-10-13 14:00:26,621 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245957808] [2024-10-13 14:00:26,621 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:26,621 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 48 states [2024-10-13 14:00:26,621 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:26,622 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 48 interpolants. [2024-10-13 14:00:26,624 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=444, Invalid=1812, Unknown=0, NotChecked=0, Total=2256 [2024-10-13 14:00:26,624 INFO L87 Difference]: Start difference. First operand 363 states and 399 transitions. Second operand has 48 states, 46 states have (on average 2.260869565217391) internal successors, (104), 30 states have internal predecessors, (104), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-13 14:00:27,208 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:27,208 INFO L93 Difference]: Finished difference Result 476 states and 511 transitions. [2024-10-13 14:00:27,209 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2024-10-13 14:00:27,209 INFO L78 Accepts]: Start accepts. Automaton has has 48 states, 46 states have (on average 2.260869565217391) internal successors, (104), 30 states have internal predecessors, (104), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) Word has length 74 [2024-10-13 14:00:27,210 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:27,212 INFO L225 Difference]: With dead ends: 476 [2024-10-13 14:00:27,212 INFO L226 Difference]: Without dead ends: 300 [2024-10-13 14:00:27,214 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 194 GetRequests, 124 SyntacticMatches, 5 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1100 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=1042, Invalid=3380, Unknown=0, NotChecked=0, Total=4422 [2024-10-13 14:00:27,215 INFO L432 NwaCegarLoop]: 91 mSDtfsCounter, 353 mSDsluCounter, 703 mSDsCounter, 0 mSdLazyCounter, 373 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 357 SdHoareTripleChecker+Valid, 794 SdHoareTripleChecker+Invalid, 427 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 373 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:27,215 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [357 Valid, 794 Invalid, 427 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 373 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:27,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 300 states. [2024-10-13 14:00:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 300 to 273. [2024-10-13 14:00:27,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 273 states, 218 states have (on average 1.1192660550458715) internal successors, (244), 217 states have internal predecessors, (244), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-10-13 14:00:27,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 273 states to 273 states and 300 transitions. [2024-10-13 14:00:27,234 INFO L78 Accepts]: Start accepts. Automaton has 273 states and 300 transitions. Word has length 74 [2024-10-13 14:00:27,234 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:27,234 INFO L471 AbstractCegarLoop]: Abstraction has 273 states and 300 transitions. [2024-10-13 14:00:27,234 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 48 states, 46 states have (on average 2.260869565217391) internal successors, (104), 30 states have internal predecessors, (104), 23 states have call successors, (24), 18 states have call predecessors, (24), 4 states have return successors, (8), 3 states have call predecessors, (8), 6 states have call successors, (8) [2024-10-13 14:00:27,234 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 300 transitions. [2024-10-13 14:00:27,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2024-10-13 14:00:27,238 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:27,238 INFO L215 NwaCegarLoop]: trace histogram [23, 23, 22, 22, 22, 1, 1, 1] [2024-10-13 14:00:27,256 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:27,438 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 [2024-10-13 14:00:27,439 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:27,439 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:27,439 INFO L85 PathProgramCache]: Analyzing trace with hash 764821589, now seen corresponding path program 4 times [2024-10-13 14:00:27,440 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:27,440 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [354848545] [2024-10-13 14:00:27,440 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:27,440 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:28,632 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:28,633 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [354848545] [2024-10-13 14:00:28,633 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [354848545] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:28,633 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [820511567] [2024-10-13 14:00:28,633 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 14:00:28,633 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:28,633 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:28,635 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:28,636 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-10-13 14:00:28,690 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 14:00:28,690 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:28,692 INFO L255 TraceCheckSpWp]: Trace formula consists of 229 conjuncts, 48 conjuncts are in the unsatisfiable core [2024-10-13 14:00:28,695 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:28,848 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:28,848 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:30,601 INFO L134 CoverageAnalysis]: Checked inductivity of 1221 backedges. 0 proven. 1221 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 14:00:30,601 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [820511567] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:30,601 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:30,601 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [47, 47, 47] total 94 [2024-10-13 14:00:30,601 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1243801288] [2024-10-13 14:00:30,602 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:30,602 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 96 states [2024-10-13 14:00:30,602 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:30,604 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 96 interpolants. [2024-10-13 14:00:30,606 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2260, Invalid=6860, Unknown=0, NotChecked=0, Total=9120 [2024-10-13 14:00:30,606 INFO L87 Difference]: Start difference. First operand 273 states and 300 transitions. Second operand has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:31,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:31,307 INFO L93 Difference]: Finished difference Result 293 states and 300 transitions. [2024-10-13 14:00:31,308 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 46 states. [2024-10-13 14:00:31,308 INFO L78 Accepts]: Start accepts. Automaton has has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 115 [2024-10-13 14:00:31,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:31,310 INFO L225 Difference]: With dead ends: 293 [2024-10-13 14:00:31,310 INFO L226 Difference]: Without dead ends: 292 [2024-10-13 14:00:31,313 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 297 GetRequests, 181 SyntacticMatches, 0 SemanticMatches, 116 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2873 ImplicationChecksByTransitivity, 2.6s TimeCoverageRelationStatistics Valid=4100, Invalid=9706, Unknown=0, NotChecked=0, Total=13806 [2024-10-13 14:00:31,314 INFO L432 NwaCegarLoop]: 99 mSDtfsCounter, 520 mSDsluCounter, 682 mSDsCounter, 0 mSdLazyCounter, 372 mSolverCounterSat, 54 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s Time, 0 mProtectedPredicate, 0 mProtectedAction, 520 SdHoareTripleChecker+Valid, 781 SdHoareTripleChecker+Invalid, 426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 54 IncrementalHoareTripleChecker+Valid, 372 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:31,314 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [520 Valid, 781 Invalid, 426 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [54 Valid, 372 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:31,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 292 states. [2024-10-13 14:00:31,329 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 292 to 272. [2024-10-13 14:00:31,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 272 states, 218 states have (on average 1.114678899082569) internal successors, (243), 216 states have internal predecessors, (243), 24 states have call successors, (24), 23 states have call predecessors, (24), 29 states have return successors, (32), 32 states have call predecessors, (32), 23 states have call successors, (32) [2024-10-13 14:00:31,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 299 transitions. [2024-10-13 14:00:31,331 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 299 transitions. Word has length 115 [2024-10-13 14:00:31,331 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:31,331 INFO L471 AbstractCegarLoop]: Abstraction has 272 states and 299 transitions. [2024-10-13 14:00:31,332 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 96 states, 93 states have (on average 1.978494623655914) internal successors, (184), 49 states have internal predecessors, (184), 46 states have call successors, (46), 46 states have call predecessors, (46), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:00:31,332 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 299 transitions. [2024-10-13 14:00:31,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-10-13 14:00:31,336 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:31,336 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 3, 3, 3, 3, 2, 1, 1, 1, 1] [2024-10-13 14:00:31,352 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:31,536 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 [2024-10-13 14:00:31,537 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:31,537 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:31,538 INFO L85 PathProgramCache]: Analyzing trace with hash -185572136, now seen corresponding path program 3 times [2024-10-13 14:00:31,538 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:31,538 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1951516452] [2024-10-13 14:00:31,538 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:31,538 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:31,645 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2024-10-13 14:00:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:31,670 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:31,693 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:31,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:31,720 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 20 proven. 15 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-10-13 14:00:31,720 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:31,720 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1951516452] [2024-10-13 14:00:31,721 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1951516452] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:31,721 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1765272264] [2024-10-13 14:00:31,721 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 14:00:31,721 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:31,721 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:31,723 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:31,724 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-10-13 14:00:31,769 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-10-13 14:00:31,769 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:31,770 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-10-13 14:00:31,772 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:31,815 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-10-13 14:00:31,815 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:31,982 INFO L134 CoverageAnalysis]: Checked inductivity of 1005 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-10-13 14:00:31,983 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1765272264] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:31,983 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:31,983 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8, 7, 7] total 16 [2024-10-13 14:00:31,983 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1000491614] [2024-10-13 14:00:31,984 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:31,985 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 17 states [2024-10-13 14:00:31,985 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:31,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2024-10-13 14:00:31,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=199, Unknown=0, NotChecked=0, Total=272 [2024-10-13 14:00:31,986 INFO L87 Difference]: Start difference. First operand 272 states and 299 transitions. Second operand has 17 states, 16 states have (on average 2.3125) internal successors, (37), 17 states have internal predecessors, (37), 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) [2024-10-13 14:00:32,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:32,139 INFO L93 Difference]: Finished difference Result 415 states and 475 transitions. [2024-10-13 14:00:32,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-10-13 14:00:32,139 INFO L78 Accepts]: Start accepts. Automaton has has 17 states, 16 states have (on average 2.3125) internal successors, (37), 17 states have internal predecessors, (37), 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 119 [2024-10-13 14:00:32,139 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:32,141 INFO L225 Difference]: With dead ends: 415 [2024-10-13 14:00:32,141 INFO L226 Difference]: Without dead ends: 414 [2024-10-13 14:00:32,142 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 260 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=168, Invalid=588, Unknown=0, NotChecked=0, Total=756 [2024-10-13 14:00:32,142 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 31 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 72 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 38 SdHoareTripleChecker+Valid, 27 SdHoareTripleChecker+Invalid, 73 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 72 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:32,143 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [38 Valid, 27 Invalid, 73 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 72 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:32,145 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 414 states. [2024-10-13 14:00:32,164 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 414 to 414. [2024-10-13 14:00:32,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 414 states, 334 states have (on average 1.0748502994011977) internal successors, (359), 328 states have internal predecessors, (359), 24 states have call successors, (24), 23 states have call predecessors, (24), 55 states have return successors, (62), 62 states have call predecessors, (62), 23 states have call successors, (62) [2024-10-13 14:00:32,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 414 states to 414 states and 445 transitions. [2024-10-13 14:00:32,168 INFO L78 Accepts]: Start accepts. Automaton has 414 states and 445 transitions. Word has length 119 [2024-10-13 14:00:32,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:32,169 INFO L471 AbstractCegarLoop]: Abstraction has 414 states and 445 transitions. [2024-10-13 14:00:32,169 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 17 states, 16 states have (on average 2.3125) internal successors, (37), 17 states have internal predecessors, (37), 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) [2024-10-13 14:00:32,169 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 445 transitions. [2024-10-13 14:00:32,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2024-10-13 14:00:32,172 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:32,173 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 7, 7, 7, 7, 6, 1, 1, 1, 1] [2024-10-13 14:00:32,190 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-10-13 14:00:32,376 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 [2024-10-13 14:00:32,377 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:32,377 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:32,377 INFO L85 PathProgramCache]: Analyzing trace with hash 865516952, now seen corresponding path program 4 times [2024-10-13 14:00:32,377 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:32,377 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1026564598] [2024-10-13 14:00:32,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:32,378 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:32,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,513 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 71 [2024-10-13 14:00:32,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,577 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,641 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,685 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,758 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,790 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:32,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:32,822 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 20 proven. 105 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-10-13 14:00:32,823 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1026564598] [2024-10-13 14:00:32,823 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1026564598] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:32,823 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [645999415] [2024-10-13 14:00:32,823 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-10-13 14:00:32,823 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:32,824 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:32,825 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:32,827 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-10-13 14:00:32,891 INFO L228 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-10-13 14:00:32,891 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:32,893 INFO L255 TraceCheckSpWp]: Trace formula consists of 274 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-10-13 14:00:32,895 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:32,967 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-10-13 14:00:32,967 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 1095 backedges. 0 proven. 105 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-10-13 14:00:34,113 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [645999415] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:34,113 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:34,113 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16, 15, 15] total 32 [2024-10-13 14:00:34,113 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1783791575] [2024-10-13 14:00:34,113 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:34,114 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 33 states [2024-10-13 14:00:34,114 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:34,115 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2024-10-13 14:00:34,115 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=273, Invalid=783, Unknown=0, NotChecked=0, Total=1056 [2024-10-13 14:00:34,115 INFO L87 Difference]: Start difference. First operand 414 states and 445 transitions. Second operand has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 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) [2024-10-13 14:00:34,472 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:34,472 INFO L93 Difference]: Finished difference Result 939 states and 1085 transitions. [2024-10-13 14:00:34,473 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2024-10-13 14:00:34,473 INFO L78 Accepts]: Start accepts. Automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 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 139 [2024-10-13 14:00:34,474 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:34,478 INFO L225 Difference]: With dead ends: 939 [2024-10-13 14:00:34,479 INFO L226 Difference]: Without dead ends: 938 [2024-10-13 14:00:34,480 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 332 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1325 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=720, Invalid=2820, Unknown=0, NotChecked=0, Total=3540 [2024-10-13 14:00:34,481 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 63 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 108 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 36 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 108 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:34,482 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [78 Valid, 36 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 108 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 14:00:34,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 938 states. [2024-10-13 14:00:34,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 938 to 938. [2024-10-13 14:00:34,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 938 states, 758 states have (on average 1.0329815303430079) internal successors, (783), 744 states have internal predecessors, (783), 24 states have call successors, (24), 23 states have call predecessors, (24), 155 states have return successors, (170), 170 states have call predecessors, (170), 23 states have call successors, (170) [2024-10-13 14:00:34,557 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 938 states and 977 transitions. [2024-10-13 14:00:34,558 INFO L78 Accepts]: Start accepts. Automaton has 938 states and 977 transitions. Word has length 139 [2024-10-13 14:00:34,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:34,558 INFO L471 AbstractCegarLoop]: Abstraction has 938 states and 977 transitions. [2024-10-13 14:00:34,558 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 33 states, 32 states have (on average 2.15625) internal successors, (69), 33 states have internal predecessors, (69), 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) [2024-10-13 14:00:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 938 states and 977 transitions. [2024-10-13 14:00:34,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2024-10-13 14:00:34,563 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:34,563 INFO L215 NwaCegarLoop]: trace histogram [21, 20, 20, 20, 20, 15, 15, 15, 15, 14, 1, 1, 1, 1] [2024-10-13 14:00:34,580 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-10-13 14:00:34,767 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-10-13 14:00:34,768 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:34,768 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:34,768 INFO L85 PathProgramCache]: Analyzing trace with hash 1374146328, now seen corresponding path program 5 times [2024-10-13 14:00:34,768 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:34,768 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1162806540] [2024-10-13 14:00:34,768 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:34,768 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:34,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:35,050 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 31 [2024-10-13 14:00:35,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:35,317 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:35,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:35,506 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:35,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:35,659 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:35,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:35,810 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:35,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:35,928 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:35,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,025 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,112 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,202 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,274 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,335 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,392 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,446 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,499 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,547 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:36,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:36,614 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 20 proven. 525 refuted. 0 times theorem prover too weak. 970 trivial. 0 not checked. [2024-10-13 14:00:36,614 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1162806540] [2024-10-13 14:00:36,615 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1162806540] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:36,615 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [408998136] [2024-10-13 14:00:36,615 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-10-13 14:00:36,615 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:36,615 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:36,617 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:36,619 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-10-13 14:00:36,727 INFO L228 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 21 check-sat command(s) [2024-10-13 14:00:36,727 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:36,729 INFO L255 TraceCheckSpWp]: Trace formula consists of 346 conjuncts, 31 conjuncts are in the unsatisfiable core [2024-10-13 14:00:36,732 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:36,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-10-13 14:00:36,879 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:00:47,790 INFO L134 CoverageAnalysis]: Checked inductivity of 1515 backedges. 0 proven. 525 refuted. 0 times theorem prover too weak. 990 trivial. 0 not checked. [2024-10-13 14:00:47,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [408998136] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:00:47,792 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:00:47,793 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [32, 31, 31] total 64 [2024-10-13 14:00:47,793 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943685074] [2024-10-13 14:00:47,793 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:00:47,793 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 65 states [2024-10-13 14:00:47,794 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:00:47,794 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 65 interpolants. [2024-10-13 14:00:47,795 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1057, Invalid=3103, Unknown=0, NotChecked=0, Total=4160 [2024-10-13 14:00:47,796 INFO L87 Difference]: Start difference. First operand 938 states and 977 transitions. Second operand has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 14:00:48,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:00:48,651 INFO L93 Difference]: Finished difference Result 2672 states and 3068 transitions. [2024-10-13 14:00:48,652 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 63 states. [2024-10-13 14:00:48,653 INFO L78 Accepts]: Start accepts. Automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) Word has length 179 [2024-10-13 14:00:48,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:00:48,660 INFO L225 Difference]: With dead ends: 2672 [2024-10-13 14:00:48,660 INFO L226 Difference]: Without dead ends: 1494 [2024-10-13 14:00:48,671 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 476 GetRequests, 354 SyntacticMatches, 0 SemanticMatches, 122 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6317 ImplicationChecksByTransitivity, 1.4s TimeCoverageRelationStatistics Valid=2976, Invalid=12276, Unknown=0, NotChecked=0, Total=15252 [2024-10-13 14:00:48,672 INFO L432 NwaCegarLoop]: 6 mSDtfsCounter, 127 mSDsluCounter, 63 mSDsCounter, 0 mSdLazyCounter, 215 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 158 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 216 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 215 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 14:00:48,672 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [158 Valid, 69 Invalid, 216 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 215 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 14:00:48,674 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2024-10-13 14:00:48,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1494. [2024-10-13 14:00:48,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1494 states, 1207 states have (on average 1.0190555095277547) internal successors, (1230), 1186 states have internal predecessors, (1230), 24 states have call successors, (24), 23 states have call predecessors, (24), 262 states have return successors, (284), 284 states have call predecessors, (284), 23 states have call successors, (284) [2024-10-13 14:00:48,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1494 states and 1538 transitions. [2024-10-13 14:00:48,768 INFO L78 Accepts]: Start accepts. Automaton has 1494 states and 1538 transitions. Word has length 179 [2024-10-13 14:00:48,768 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:00:48,768 INFO L471 AbstractCegarLoop]: Abstraction has 1494 states and 1538 transitions. [2024-10-13 14:00:48,769 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 65 states, 64 states have (on average 2.078125) internal successors, (133), 65 states have internal predecessors, (133), 1 states have call successors, (2), 1 states have call predecessors, (2), 31 states have return successors, (31), 31 states have call predecessors, (31), 1 states have call successors, (31) [2024-10-13 14:00:48,769 INFO L276 IsEmpty]: Start isEmpty. Operand 1494 states and 1538 transitions. [2024-10-13 14:00:48,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 430 [2024-10-13 14:00:48,778 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 14:00:48,779 INFO L215 NwaCegarLoop]: trace histogram [55, 54, 54, 54, 54, 31, 31, 31, 31, 30, 1, 1, 1, 1] [2024-10-13 14:00:48,796 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-10-13 14:00:48,982 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 10 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable12 [2024-10-13 14:00:48,983 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW, idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW] === [2024-10-13 14:00:48,983 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 14:00:48,983 INFO L85 PathProgramCache]: Analyzing trace with hash -530932168, now seen corresponding path program 6 times [2024-10-13 14:00:48,984 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 14:00:48,984 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [852071093] [2024-10-13 14:00:48,984 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 14:00:48,984 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 14:00:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:50,154 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 121 [2024-10-13 14:00:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:50,848 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:50,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:51,388 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:51,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:51,877 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:51,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,428 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:52,910 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,365 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:53,722 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,053 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,411 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:54,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:55,077 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:55,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:55,350 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:55,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:55,585 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:55,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:55,793 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,015 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,188 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,358 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,518 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,662 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,826 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:56,953 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,065 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,167 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,275 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,374 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,475 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,567 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,655 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,742 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,811 INFO L368 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 4 [2024-10-13 14:00:57,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 14:00:57,879 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 54 proven. 2325 refuted. 0 times theorem prover too weak. 7209 trivial. 0 not checked. [2024-10-13 14:00:57,879 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 14:00:57,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [852071093] [2024-10-13 14:00:57,879 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [852071093] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 14:00:57,879 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [243491805] [2024-10-13 14:00:57,879 INFO L93 rtionOrderModulation]: Changing assertion order to MIX_INSIDE_OUTSIDE [2024-10-13 14:00:57,879 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 14:00:57,880 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 14:00:57,882 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 14:00:57,883 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-10-13 14:00:58,249 INFO L228 tOrderPrioritization]: Assert order MIX_INSIDE_OUTSIDE issued 53 check-sat command(s) [2024-10-13 14:00:58,250 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 14:00:58,255 INFO L255 TraceCheckSpWp]: Trace formula consists of 760 conjuncts, 87 conjuncts are in the unsatisfiable core [2024-10-13 14:00:58,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 14:00:59,938 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 3468 proven. 990 refuted. 0 times theorem prover too weak. 5130 trivial. 0 not checked. [2024-10-13 14:00:59,938 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 14:01:01,337 INFO L134 CoverageAnalysis]: Checked inductivity of 9588 backedges. 456 proven. 4638 refuted. 0 times theorem prover too weak. 4494 trivial. 0 not checked. [2024-10-13 14:01:01,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [243491805] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 14:01:01,337 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 14:01:01,338 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [64, 44, 45] total 108 [2024-10-13 14:01:01,338 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1189576315] [2024-10-13 14:01:01,338 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 14:01:01,340 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 108 states [2024-10-13 14:01:01,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 14:01:01,343 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 108 interpolants. [2024-10-13 14:01:01,344 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1144, Invalid=10412, Unknown=0, NotChecked=0, Total=11556 [2024-10-13 14:01:01,345 INFO L87 Difference]: Start difference. First operand 1494 states and 1538 transitions. Second operand has 108 states, 107 states have (on average 2.1401869158878504) internal successors, (229), 87 states have internal predecessors, (229), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 14:01:03,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 14:01:03,396 INFO L93 Difference]: Finished difference Result 1494 states and 1538 transitions. [2024-10-13 14:01:03,396 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 45 states. [2024-10-13 14:01:03,397 INFO L78 Accepts]: Start accepts. Automaton has has 108 states, 107 states have (on average 2.1401869158878504) internal successors, (229), 87 states have internal predecessors, (229), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) Word has length 429 [2024-10-13 14:01:03,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 14:01:03,398 INFO L225 Difference]: With dead ends: 1494 [2024-10-13 14:01:03,398 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 14:01:03,402 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 875 SyntacticMatches, 0 SemanticMatches, 127 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5011 ImplicationChecksByTransitivity, 3.2s TimeCoverageRelationStatistics Valid=1249, Invalid=15263, Unknown=0, NotChecked=0, Total=16512 [2024-10-13 14:01:03,403 INFO L432 NwaCegarLoop]: 21 mSDtfsCounter, 141 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 5347 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 141 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 5347 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 5347 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.6s IncrementalHoareTripleChecker+Time [2024-10-13 14:01:03,403 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [141 Valid, 53 Invalid, 5347 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 5347 Invalid, 0 Unknown, 0 Unchecked, 1.6s Time] [2024-10-13 14:01:03,404 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 14:01:03,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 14:01:03,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 14:01:03,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 14:01:03,405 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 429 [2024-10-13 14:01:03,405 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 14:01:03,405 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 14:01:03,405 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 108 states, 107 states have (on average 2.1401869158878504) internal successors, (229), 87 states have internal predecessors, (229), 23 states have call successors, (25), 23 states have call predecessors, (25), 33 states have return successors, (34), 33 states have call predecessors, (34), 2 states have call successors, (34) [2024-10-13 14:01:03,405 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 14:01:03,406 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 14:01:03,408 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 4 remaining) [2024-10-13 14:01:03,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 4 remaining) [2024-10-13 14:01:03,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 4 remaining) [2024-10-13 14:01:03,409 INFO L782 garLoopResultBuilder]: Registering result SAFE for location idErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 4 remaining) [2024-10-13 14:01:03,429 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-10-13 14:01:03,610 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 11 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2024-10-13 14:01:03,613 INFO L407 BasicCegarLoop]: Path program histogram: [6, 4, 1, 1, 1, 1] [2024-10-13 14:01:03,615 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 14:01:06,341 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 14:01:06,422 WARN L953 BoogieBacktranslator]: Unfinished Backtranslation: Expression type not yet supported in backtranslation: QuantifierExpression [2024-10-13 14:01:06,425 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 02:01:06 BoogieIcfgContainer [2024-10-13 14:01:06,425 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 14:01:06,428 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 14:01:06,428 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 14:01:06,428 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 14:01:06,428 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 02:00:18" (3/4) ... [2024-10-13 14:01:06,430 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 14:01:06,434 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure id [2024-10-13 14:01:06,436 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 14 nodes and edges [2024-10-13 14:01:06,436 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-10-13 14:01:06,437 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 14:01:06,437 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 14:01:06,513 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 14:01:06,514 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 14:01:06,514 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 14:01:06,515 INFO L158 Benchmark]: Toolchain (without parser) took 48503.58ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 906.0MB). Free memory was 123.2MB in the beginning and 663.1MB in the end (delta: -539.9MB). Peak memory consumption was 366.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:06,515 INFO L158 Benchmark]: CDTParser took 1.01ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:06,515 INFO L158 Benchmark]: CACSL2BoogieTranslator took 228.82ms. Allocated memory is still 155.2MB. Free memory was 123.2MB in the beginning and 111.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 14:01:06,515 INFO L158 Benchmark]: Boogie Procedure Inliner took 28.60ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 14:01:06,516 INFO L158 Benchmark]: Boogie Preprocessor took 33.35ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 108.8MB in the end (delta: 916.6kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 14:01:06,516 INFO L158 Benchmark]: RCFGBuilder took 319.33ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 98.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. [2024-10-13 14:01:06,517 INFO L158 Benchmark]: TraceAbstraction took 47798.32ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 906.0MB). Free memory was 97.1MB in the beginning and 667.2MB in the end (delta: -570.1MB). Peak memory consumption was 611.5MB. Max. memory is 16.1GB. [2024-10-13 14:01:06,517 INFO L158 Benchmark]: Witness Printer took 86.68ms. Allocated memory is still 1.1GB. Free memory was 667.2MB in the beginning and 663.1MB in the end (delta: 4.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 14:01:06,518 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 1.01ms. Allocated memory is still 121.6MB. Free memory was 82.7MB in the beginning and 82.6MB in the end (delta: 119.1kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 228.82ms. Allocated memory is still 155.2MB. Free memory was 123.2MB in the beginning and 111.8MB in the end (delta: 11.4MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 28.60ms. Allocated memory is still 155.2MB. Free memory was 111.8MB in the beginning and 109.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 33.35ms. Allocated memory is still 155.2MB. Free memory was 109.7MB in the beginning and 108.8MB in the end (delta: 916.6kB). There was no memory consumed. Max. memory is 16.1GB. * RCFGBuilder took 319.33ms. Allocated memory is still 155.2MB. Free memory was 108.8MB in the beginning and 98.0MB in the end (delta: 10.7MB). Peak memory consumption was 10.5MB. Max. memory is 16.1GB. * TraceAbstraction took 47798.32ms. Allocated memory was 155.2MB in the beginning and 1.1GB in the end (delta: 906.0MB). Free memory was 97.1MB in the beginning and 667.2MB in the end (delta: -570.1MB). Peak memory consumption was 611.5MB. Max. memory is 16.1GB. * Witness Printer took 86.68ms. Allocated memory is still 1.1GB. Free memory was 667.2MB in the beginning and 663.1MB 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, 20 locations, 4 error locations. Started 1 CEGAR loops. OverallTime: 44.9s, OverallIterations: 14, TraceHistogramMax: 55, PathProgramHistogramMax: 6, EmptinessCheckTime: 0.0s, AutomataDifference: 6.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 2506 SdHoareTripleChecker+Valid, 3.3s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 2442 mSDsluCounter, 3098 SdHoareTripleChecker+Invalid, 2.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 2686 mSDsCounter, 261 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 7562 IncrementalHoareTripleChecker+Invalid, 7823 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 261 mSolverCounterUnsat, 412 mSDtfsCounter, 7562 mSolverCounterSat, 0.1s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 2933 GetRequests, 2248 SyntacticMatches, 7 SemanticMatches, 678 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18299 ImplicationChecksByTransitivity, 11.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1494occurred in iteration=13, InterpolantAutomatonStates: 368, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 14 MinimizatonAttempts, 106 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 34.3s InterpolantComputationTime, 2420 NumberOfCodeBlocks, 2310 NumberOfCodeBlocksAsserted, 112 NumberOfCheckSat, 3570 ConstructedInterpolants, 0 QuantifiedInterpolants, 7376 SizeOfPredicates, 78 NumberOfNonLiveVariables, 2164 ConjunctsInSsa, 270 ConjunctsInUnsatCore, 34 InterpolantComputations, 4 PerfectInterpolantSequences, 29849/45325 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 == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10)) Ensures: (((\result == 0) || (x != 0)) && (((((((((((((((((((((x == 18) || (x == 0)) || (x == 16)) || (x == 17)) || (x == 4)) || (x == 11)) || (x == 14)) || (x == 6)) || (x == 1)) || (x == 9)) || (x == 8)) || (7 == x)) || (x == 20)) || (x == 15)) || (x == 2)) || (x == 12)) || (x == 3)) || (5 == x)) || (19 == x)) || (x == 13)) || (x == 10))) RESULT: Ultimate proved your program to be correct! [2024-10-13 14:01:06,550 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