./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/reducercommutativity/sep05-1.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/reducercommutativity/sep05-1.i -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 ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:00:24,257 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:00:24,311 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:00:24,316 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:00:24,316 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:00:24,343 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:00:24,344 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:00:24,344 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:00:24,344 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:00:24,351 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:00:24,351 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:00:24,351 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:00:24,352 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:00:24,353 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:00:24,353 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:00:24,353 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:00:24,353 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:00:24,354 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:00:24,354 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:00:24,354 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:00:24,354 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:00:24,355 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:00:24,355 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:00:24,355 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:00:24,355 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:00:24,355 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:00:24,356 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:00:24,356 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:00:24,356 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:00:24,356 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:00:24,356 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:00:24,357 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:00:24,357 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:00:24,357 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:00:24,357 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:00:24,357 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:00:24,358 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:00:24,358 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:00:24,358 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:00:24,358 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:00:24,359 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:00:24,362 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:00:24,362 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:00:24,362 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:00:24,362 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> ac50477087b7e2b9c80860ad42d4d46d99ddf32e797cee205c21d5ff44f08ec3 [2024-11-19 10:00:24,534 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:00:24,550 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:00:24,551 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:00:24,553 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:00:24,553 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:00:24,554 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/reducercommutativity/sep05-1.i [2024-11-19 10:00:25,764 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:00:25,909 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:00:25,911 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/reducercommutativity/sep05-1.i [2024-11-19 10:00:25,916 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624bebc10/dd9282aadb1140199418a099590453d1/FLAGa3df3268b [2024-11-19 10:00:26,338 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/624bebc10/dd9282aadb1140199418a099590453d1 [2024-11-19 10:00:26,340 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:00:26,341 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:00:26,342 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:00:26,342 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:00:26,346 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:00:26,347 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,349 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2354b1d2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26, skipping insertion in model container [2024-11-19 10:00:26,349 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,368 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:00:26,518 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:00:26,528 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:00:26,542 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:00:26,554 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:00:26,554 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26 WrapperNode [2024-11-19 10:00:26,555 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:00:26,555 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:00:26,556 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:00:26,556 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:00:26,561 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,568 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,581 INFO L138 Inliner]: procedures = 16, calls = 23, calls flagged for inlining = 3, calls inlined = 3, statements flattened = 77 [2024-11-19 10:00:26,582 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:00:26,582 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:00:26,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:00:26,583 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:00:26,591 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,591 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,592 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,601 INFO L175 MemorySlicer]: Split 12 memory accesses to 2 slices as follows [2, 10]. 83 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 5 writes are split as follows [0, 5]. [2024-11-19 10:00:26,601 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,601 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,605 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,618 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,619 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,620 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,627 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:00:26,628 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:00:26,628 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:00:26,628 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:00:26,629 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (1/1) ... [2024-11-19 10:00:26,638 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:00:26,658 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:26,672 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:00:26,676 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:00:26,706 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:00:26,707 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:00:26,707 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:00:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:00:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:00:26,708 INFO L130 BoogieDeclarations]: Found specification of procedure sep [2024-11-19 10:00:26,708 INFO L138 BoogieDeclarations]: Found implementation of procedure sep [2024-11-19 10:00:26,760 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:00:26,762 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:00:26,901 INFO L? ?]: Removed 33 outVars from TransFormulas that were not future-live. [2024-11-19 10:00:26,905 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:00:26,917 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:00:26,917 INFO L316 CfgBuilder]: Removed 3 assume(true) statements. [2024-11-19 10:00:26,919 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:26 BoogieIcfgContainer [2024-11-19 10:00:26,919 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:00:26,921 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:00:26,922 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:00:26,924 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:00:26,924 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:00:26" (1/3) ... [2024-11-19 10:00:26,924 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb03d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:00:26, skipping insertion in model container [2024-11-19 10:00:26,925 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:00:26" (2/3) ... [2024-11-19 10:00:26,925 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2fb03d48 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:00:26, skipping insertion in model container [2024-11-19 10:00:26,926 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:26" (3/3) ... [2024-11-19 10:00:26,927 INFO L112 eAbstractionObserver]: Analyzing ICFG sep05-1.i [2024-11-19 10:00:26,938 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:00:26,938 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 12 error locations. [2024-11-19 10:00:26,975 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:00:26,979 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;@39fbd254, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:00:26,979 INFO L334 AbstractCegarLoop]: Starting to check reachability of 12 error locations. [2024-11-19 10:00:26,982 INFO L276 IsEmpty]: Start isEmpty. Operand has 52 states, 35 states have (on average 1.6) internal successors, (56), 47 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) [2024-11-19 10:00:26,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:00:26,986 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:26,987 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:00:26,987 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:26,990 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:26,991 INFO L85 PathProgramCache]: Analyzing trace with hash 28698728, now seen corresponding path program 1 times [2024-11-19 10:00:26,997 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:26,997 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1006193818] [2024-11-19 10:00:26,997 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:26,998 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:27,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:27,203 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:00:27,203 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:27,203 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1006193818] [2024-11-19 10:00:27,204 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1006193818] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:27,204 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:27,204 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:27,206 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [855333101] [2024-11-19 10:00:27,207 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:27,210 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:27,210 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:27,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:27,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:27,226 INFO L87 Difference]: Start difference. First operand has 52 states, 35 states have (on average 1.6) internal successors, (56), 47 states have internal predecessors, (56), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (3), 3 states have call predecessors, (3), 3 states have call successors, (3) Second operand has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:27,278 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:27,278 INFO L93 Difference]: Finished difference Result 101 states and 124 transitions. [2024-11-19 10:00:27,279 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:27,280 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 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) Word has length 5 [2024-11-19 10:00:27,281 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:27,285 INFO L225 Difference]: With dead ends: 101 [2024-11-19 10:00:27,285 INFO L226 Difference]: Without dead ends: 48 [2024-11-19 10:00:27,287 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:27,289 INFO L432 NwaCegarLoop]: 52 mSDtfsCounter, 1 mSDsluCounter, 96 mSDsCounter, 0 mSdLazyCounter, 19 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 148 SdHoareTripleChecker+Invalid, 21 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 19 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:27,290 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 148 Invalid, 21 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 19 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:27,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2024-11-19 10:00:27,313 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 48. [2024-11-19 10:00:27,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 32 states have (on average 1.5) internal successors, (48), 44 states have internal predecessors, (48), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:27,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 53 transitions. [2024-11-19 10:00:27,316 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 53 transitions. Word has length 5 [2024-11-19 10:00:27,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:27,317 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 53 transitions. [2024-11-19 10:00:27,317 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 1.6666666666666667) internal successors, (5), 4 states have internal predecessors, (5), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:27,317 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 53 transitions. [2024-11-19 10:00:27,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:00:27,317 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:27,318 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:00:27,318 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:00:27,319 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:27,319 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:27,322 INFO L85 PathProgramCache]: Analyzing trace with hash -363792156, now seen corresponding path program 1 times [2024-11-19 10:00:27,322 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:27,322 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1618467335] [2024-11-19 10:00:27,322 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:27,322 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:27,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:27,415 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:00:27,415 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:27,415 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1618467335] [2024-11-19 10:00:27,415 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1618467335] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:27,416 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [184670781] [2024-11-19 10:00:27,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:27,416 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:27,416 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:27,418 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:27,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:00:27,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:27,478 INFO L255 TraceCheckSpWp]: Trace formula consists of 54 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:00:27,481 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:27,535 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:00:27,535 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:27,536 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [184670781] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:27,536 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:27,536 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:00:27,536 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [410206186] [2024-11-19 10:00:27,536 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:27,537 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:00:27,537 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:27,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:00:27,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:27,538 INFO L87 Difference]: Start difference. First operand 48 states and 53 transitions. Second operand has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:27,577 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:27,577 INFO L93 Difference]: Finished difference Result 48 states and 53 transitions. [2024-11-19 10:00:27,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:00:27,578 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 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) Word has length 9 [2024-11-19 10:00:27,578 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:27,578 INFO L225 Difference]: With dead ends: 48 [2024-11-19 10:00:27,578 INFO L226 Difference]: Without dead ends: 47 [2024-11-19 10:00:27,579 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:27,580 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 1 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 35 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 164 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 35 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:27,580 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 164 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 35 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:27,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2024-11-19 10:00:27,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2024-11-19 10:00:27,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 47 states, 32 states have (on average 1.46875) internal successors, (47), 43 states have internal predecessors, (47), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:27,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2024-11-19 10:00:27,585 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 9 [2024-11-19 10:00:27,586 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:27,586 INFO L471 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2024-11-19 10:00:27,586 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 1.8) internal successors, (9), 6 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:27,586 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2024-11-19 10:00:27,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:00:27,587 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:27,587 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1] [2024-11-19 10:00:27,599 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:00:27,787 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:27,788 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:27,788 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:27,788 INFO L85 PathProgramCache]: Analyzing trace with hash 1607345098, now seen corresponding path program 1 times [2024-11-19 10:00:27,788 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:27,788 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1651146529] [2024-11-19 10:00:27,789 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:27,789 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:27,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:27,844 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-11-19 10:00:27,844 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:27,844 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1651146529] [2024-11-19 10:00:27,844 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1651146529] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:27,844 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:27,844 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:27,845 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [378955471] [2024-11-19 10:00:27,845 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:27,845 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:27,845 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:27,845 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:27,845 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:27,846 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:27,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:27,861 INFO L93 Difference]: Finished difference Result 47 states and 52 transitions. [2024-11-19 10:00:27,863 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:27,863 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 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) Word has length 10 [2024-11-19 10:00:27,863 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:27,864 INFO L225 Difference]: With dead ends: 47 [2024-11-19 10:00:27,864 INFO L226 Difference]: Without dead ends: 46 [2024-11-19 10:00:27,864 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:27,865 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 0 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 125 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:27,865 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 125 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:27,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2024-11-19 10:00:27,869 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 43. [2024-11-19 10:00:27,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 43 states, 29 states have (on average 1.4827586206896552) internal successors, (43), 39 states have internal predecessors, (43), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:27,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 48 transitions. [2024-11-19 10:00:27,871 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 48 transitions. Word has length 10 [2024-11-19 10:00:27,871 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:27,871 INFO L471 AbstractCegarLoop]: Abstraction has 43 states and 48 transitions. [2024-11-19 10:00:27,871 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:27,871 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 48 transitions. [2024-11-19 10:00:27,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2024-11-19 10:00:27,872 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:27,872 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:27,872 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:00:27,872 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:27,873 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:27,873 INFO L85 PathProgramCache]: Analyzing trace with hash -1638450343, now seen corresponding path program 1 times [2024-11-19 10:00:27,873 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:27,873 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1236847670] [2024-11-19 10:00:27,873 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:27,873 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:27,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:27,962 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:00:27,962 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:27,962 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1236847670] [2024-11-19 10:00:27,962 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1236847670] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:27,963 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [208947234] [2024-11-19 10:00:27,963 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:27,963 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:27,963 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:27,964 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:27,965 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:00:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:28,017 INFO L255 TraceCheckSpWp]: Trace formula consists of 67 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:00:28,018 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:28,044 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:00:28,045 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:28,073 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:00:28,074 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [208947234] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:28,074 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:28,075 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:00:28,075 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [915040030] [2024-11-19 10:00:28,075 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:28,075 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:00:28,075 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:28,075 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:00:28,076 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:00:28,076 INFO L87 Difference]: Start difference. First operand 43 states and 48 transitions. Second operand has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,113 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:28,116 INFO L93 Difference]: Finished difference Result 87 states and 98 transitions. [2024-11-19 10:00:28,117 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:00:28,117 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 13 [2024-11-19 10:00:28,117 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:28,117 INFO L225 Difference]: With dead ends: 87 [2024-11-19 10:00:28,117 INFO L226 Difference]: Without dead ends: 51 [2024-11-19 10:00:28,118 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:00:28,118 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 2 mSDsluCounter, 122 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 165 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:28,119 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 165 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:28,122 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 51 states. [2024-11-19 10:00:28,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 51 to 51. [2024-11-19 10:00:28,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 51 states, 37 states have (on average 1.3783783783783783) internal successors, (51), 47 states have internal predecessors, (51), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:28,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 56 transitions. [2024-11-19 10:00:28,125 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 56 transitions. Word has length 13 [2024-11-19 10:00:28,125 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:28,125 INFO L471 AbstractCegarLoop]: Abstraction has 51 states and 56 transitions. [2024-11-19 10:00:28,126 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 2.3) internal successors, (23), 10 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,126 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 56 transitions. [2024-11-19 10:00:28,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:00:28,126 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:28,126 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:28,139 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:00:28,327 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,SelfDestructingSolverStorable3 [2024-11-19 10:00:28,328 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:28,328 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:28,328 INFO L85 PathProgramCache]: Analyzing trace with hash 1677870673, now seen corresponding path program 2 times [2024-11-19 10:00:28,328 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:28,328 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2123914171] [2024-11-19 10:00:28,328 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:28,328 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:28,337 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:00:28,337 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:28,366 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:00:28,367 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:28,367 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2123914171] [2024-11-19 10:00:28,367 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2123914171] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:28,367 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:28,367 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:28,367 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1673251579] [2024-11-19 10:00:28,367 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:28,367 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:28,367 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:28,368 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:28,368 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:28,368 INFO L87 Difference]: Start difference. First operand 51 states and 56 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,384 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:28,384 INFO L93 Difference]: Finished difference Result 58 states and 65 transitions. [2024-11-19 10:00:28,384 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:28,384 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-19 10:00:28,384 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:28,385 INFO L225 Difference]: With dead ends: 58 [2024-11-19 10:00:28,385 INFO L226 Difference]: Without dead ends: 56 [2024-11-19 10:00:28,385 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:28,386 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:28,386 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:28,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2024-11-19 10:00:28,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 55. [2024-11-19 10:00:28,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 55 states, 41 states have (on average 1.3902439024390243) internal successors, (57), 51 states have internal predecessors, (57), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:28,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 55 states and 62 transitions. [2024-11-19 10:00:28,390 INFO L78 Accepts]: Start accepts. Automaton has 55 states and 62 transitions. Word has length 21 [2024-11-19 10:00:28,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:28,390 INFO L471 AbstractCegarLoop]: Abstraction has 55 states and 62 transitions. [2024-11-19 10:00:28,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,390 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 62 transitions. [2024-11-19 10:00:28,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2024-11-19 10:00:28,391 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:28,391 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:28,391 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-19 10:00:28,391 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting sepErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:28,391 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:28,391 INFO L85 PathProgramCache]: Analyzing trace with hash 1677870481, now seen corresponding path program 1 times [2024-11-19 10:00:28,392 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:28,392 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [541002315] [2024-11-19 10:00:28,392 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:28,392 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:28,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:28,450 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:00:28,451 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:28,451 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [541002315] [2024-11-19 10:00:28,451 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [541002315] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:28,451 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:28,451 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:28,451 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [742839608] [2024-11-19 10:00:28,451 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:28,451 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:28,452 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:28,452 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:28,452 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:28,452 INFO L87 Difference]: Start difference. First operand 55 states and 62 transitions. Second operand has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,471 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:28,475 INFO L93 Difference]: Finished difference Result 60 states and 67 transitions. [2024-11-19 10:00:28,475 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:28,475 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 21 [2024-11-19 10:00:28,475 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:28,476 INFO L225 Difference]: With dead ends: 60 [2024-11-19 10:00:28,476 INFO L226 Difference]: Without dead ends: 58 [2024-11-19 10:00:28,477 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:28,477 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 2 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 18 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 19 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 18 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:28,477 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 122 Invalid, 19 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 18 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:28,478 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 58 states. [2024-11-19 10:00:28,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 58 to 57. [2024-11-19 10:00:28,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 57 states, 43 states have (on average 1.372093023255814) internal successors, (59), 53 states have internal predecessors, (59), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:28,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 64 transitions. [2024-11-19 10:00:28,484 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 64 transitions. Word has length 21 [2024-11-19 10:00:28,484 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:28,484 INFO L471 AbstractCegarLoop]: Abstraction has 57 states and 64 transitions. [2024-11-19 10:00:28,484 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 4.0) internal successors, (12), 4 states have internal predecessors, (12), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,484 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 64 transitions. [2024-11-19 10:00:28,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2024-11-19 10:00:28,485 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:28,485 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:28,485 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:00:28,485 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting sepErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:28,485 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:28,486 INFO L85 PathProgramCache]: Analyzing trace with hash 615944742, now seen corresponding path program 1 times [2024-11-19 10:00:28,486 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:28,486 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [448247095] [2024-11-19 10:00:28,486 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:28,487 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:28,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:28,549 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:00:28,549 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:28,549 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [448247095] [2024-11-19 10:00:28,549 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [448247095] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:28,549 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:28,549 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:28,549 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1521131618] [2024-11-19 10:00:28,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:28,550 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:28,550 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:28,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:28,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:28,551 INFO L87 Difference]: Start difference. First operand 57 states and 64 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:28,572 INFO L93 Difference]: Finished difference Result 100 states and 116 transitions. [2024-11-19 10:00:28,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:28,573 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 24 [2024-11-19 10:00:28,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:28,573 INFO L225 Difference]: With dead ends: 100 [2024-11-19 10:00:28,573 INFO L226 Difference]: Without dead ends: 60 [2024-11-19 10:00:28,574 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:28,574 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 4 mSDsluCounter, 81 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:28,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 124 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:28,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 60 states. [2024-11-19 10:00:28,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 60 to 60. [2024-11-19 10:00:28,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 60 states, 46 states have (on average 1.326086956521739) internal successors, (61), 56 states have internal predecessors, (61), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:28,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 66 transitions. [2024-11-19 10:00:28,583 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 66 transitions. Word has length 24 [2024-11-19 10:00:28,583 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:28,585 INFO L471 AbstractCegarLoop]: Abstraction has 60 states and 66 transitions. [2024-11-19 10:00:28,585 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,585 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 66 transitions. [2024-11-19 10:00:28,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-19 10:00:28,586 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:28,586 INFO L215 NwaCegarLoop]: trace histogram [3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:28,586 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2024-11-19 10:00:28,586 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:28,586 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:28,586 INFO L85 PathProgramCache]: Analyzing trace with hash -445739691, now seen corresponding path program 1 times [2024-11-19 10:00:28,587 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:28,587 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1962510636] [2024-11-19 10:00:28,587 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:28,587 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:28,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:28,667 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2024-11-19 10:00:28,668 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:28,668 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1962510636] [2024-11-19 10:00:28,668 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1962510636] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:28,669 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [366514138] [2024-11-19 10:00:28,669 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:28,669 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:28,669 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:28,671 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:28,672 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:00:28,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:28,719 INFO L255 TraceCheckSpWp]: Trace formula consists of 109 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:00:28,720 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:28,788 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:00:28,790 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:28,873 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:00:28,873 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [366514138] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:28,873 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:28,873 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 9, 9] total 15 [2024-11-19 10:00:28,873 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1105913405] [2024-11-19 10:00:28,873 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:28,874 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:00:28,874 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:28,874 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:00:28,874 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:00:28,874 INFO L87 Difference]: Start difference. First operand 60 states and 66 transitions. Second operand has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,947 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:28,947 INFO L93 Difference]: Finished difference Result 121 states and 138 transitions. [2024-11-19 10:00:28,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2024-11-19 10:00:28,948 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 28 [2024-11-19 10:00:28,948 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:28,948 INFO L225 Difference]: With dead ends: 121 [2024-11-19 10:00:28,949 INFO L226 Difference]: Without dead ends: 76 [2024-11-19 10:00:28,949 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 41 SyntacticMatches, 5 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=45, Invalid=165, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:00:28,949 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 3 mSDsluCounter, 176 mSDsCounter, 0 mSdLazyCounter, 81 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 213 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 81 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:28,950 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 213 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 81 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:00:28,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2024-11-19 10:00:28,953 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 74. [2024-11-19 10:00:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 74 states, 60 states have (on average 1.2833333333333334) internal successors, (77), 70 states have internal predecessors, (77), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 74 states and 82 transitions. [2024-11-19 10:00:28,954 INFO L78 Accepts]: Start accepts. Automaton has 74 states and 82 transitions. Word has length 28 [2024-11-19 10:00:28,954 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:28,954 INFO L471 AbstractCegarLoop]: Abstraction has 74 states and 82 transitions. [2024-11-19 10:00:28,954 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 15 states have internal predecessors, (49), 2 states have call successors, (2), 2 states have call predecessors, (2), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 82 transitions. [2024-11-19 10:00:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:00:28,955 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:28,955 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:28,968 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:29,159 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:29,160 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting sepErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:29,160 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:29,160 INFO L85 PathProgramCache]: Analyzing trace with hash -329436515, now seen corresponding path program 1 times [2024-11-19 10:00:29,160 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:29,160 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1732143204] [2024-11-19 10:00:29,161 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:29,161 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:29,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:29,238 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:29,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1732143204] [2024-11-19 10:00:29,238 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1732143204] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:29,238 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1887758801] [2024-11-19 10:00:29,238 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:29,238 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:29,238 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:29,240 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:29,241 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:00:29,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:29,290 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:00:29,291 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:29,335 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:29,336 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:29,336 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1887758801] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:29,336 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:29,336 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [5] total 8 [2024-11-19 10:00:29,336 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [999783009] [2024-11-19 10:00:29,336 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:29,337 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-11-19 10:00:29,337 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:29,337 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-11-19 10:00:29,337 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:00:29,337 INFO L87 Difference]: Start difference. First operand 74 states and 82 transitions. Second operand has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:29,356 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:29,357 INFO L93 Difference]: Finished difference Result 74 states and 82 transitions. [2024-11-19 10:00:29,357 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:00:29,357 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 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 36 [2024-11-19 10:00:29,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:29,358 INFO L225 Difference]: With dead ends: 74 [2024-11-19 10:00:29,358 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:00:29,358 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=52, Unknown=0, NotChecked=0, Total=72 [2024-11-19 10:00:29,359 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 4 mSDsluCounter, 104 mSDsCounter, 0 mSdLazyCounter, 29 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 4 SdHoareTripleChecker+Valid, 142 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 29 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:29,359 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [4 Valid, 142 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 29 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:29,359 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:00:29,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 73. [2024-11-19 10:00:29,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 73 states, 60 states have (on average 1.2666666666666666) internal successors, (76), 69 states have internal predecessors, (76), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:29,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 73 states and 81 transitions. [2024-11-19 10:00:29,363 INFO L78 Accepts]: Start accepts. Automaton has 73 states and 81 transitions. Word has length 36 [2024-11-19 10:00:29,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:29,363 INFO L471 AbstractCegarLoop]: Abstraction has 73 states and 81 transitions. [2024-11-19 10:00:29,363 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 4.75) internal successors, (19), 5 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:29,363 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 81 transitions. [2024-11-19 10:00:29,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:00:29,364 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:29,364 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:29,376 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:00:29,564 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:29,564 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:29,565 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:29,565 INFO L85 PathProgramCache]: Analyzing trace with hash -971626345, now seen corresponding path program 1 times [2024-11-19 10:00:29,565 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:29,565 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [440713395] [2024-11-19 10:00:29,565 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:29,565 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:29,624 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:29,625 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:29,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [440713395] [2024-11-19 10:00:29,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [440713395] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:29,625 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [982569251] [2024-11-19 10:00:29,625 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:29,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:29,626 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:29,627 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:29,628 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:00:29,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:29,679 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:00:29,680 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:29,705 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:29,705 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [982569251] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:29,705 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:29,706 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:00:29,706 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1770563698] [2024-11-19 10:00:29,706 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:29,706 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:00:29,706 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:29,706 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:00:29,707 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:29,707 INFO L87 Difference]: Start difference. First operand 73 states and 81 transitions. Second operand has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:29,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:29,739 INFO L93 Difference]: Finished difference Result 94 states and 108 transitions. [2024-11-19 10:00:29,739 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:00:29,739 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 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 36 [2024-11-19 10:00:29,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:29,740 INFO L225 Difference]: With dead ends: 94 [2024-11-19 10:00:29,740 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:00:29,740 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 40 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:29,741 INFO L432 NwaCegarLoop]: 51 mSDtfsCounter, 11 mSDsluCounter, 143 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 194 SdHoareTripleChecker+Invalid, 50 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:29,741 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 194 Invalid, 50 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:29,741 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:00:29,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 87. [2024-11-19 10:00:29,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 87 states, 74 states have (on average 1.3513513513513513) internal successors, (100), 83 states have internal predecessors, (100), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:29,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 105 transitions. [2024-11-19 10:00:29,745 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 105 transitions. Word has length 36 [2024-11-19 10:00:29,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:29,746 INFO L471 AbstractCegarLoop]: Abstraction has 87 states and 105 transitions. [2024-11-19 10:00:29,746 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.8) internal successors, (19), 6 states have internal predecessors, (19), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:29,746 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 105 transitions. [2024-11-19 10:00:29,746 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:00:29,746 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:29,747 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:29,759 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:00:29,950 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2024-11-19 10:00:29,951 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting sepErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:29,951 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:29,952 INFO L85 PathProgramCache]: Analyzing trace with hash -1622591304, now seen corresponding path program 1 times [2024-11-19 10:00:29,952 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:29,952 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [915933344] [2024-11-19 10:00:29,952 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:29,952 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:29,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:30,014 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,014 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:30,014 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [915933344] [2024-11-19 10:00:30,014 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [915933344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:30,015 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [955571092] [2024-11-19 10:00:30,015 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:30,015 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:30,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:30,016 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:30,017 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:00:30,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:30,084 INFO L255 TraceCheckSpWp]: Trace formula consists of 136 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:00:30,085 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:30,108 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,108 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:30,109 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [955571092] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:30,109 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:30,109 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2024-11-19 10:00:30,110 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [524901419] [2024-11-19 10:00:30,110 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:30,110 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:30,111 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:30,111 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:30,111 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:30,111 INFO L87 Difference]: Start difference. First operand 87 states and 105 transitions. Second operand has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:30,126 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:30,126 INFO L93 Difference]: Finished difference Result 87 states and 105 transitions. [2024-11-19 10:00:30,126 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:30,127 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 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 37 [2024-11-19 10:00:30,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:30,128 INFO L225 Difference]: With dead ends: 87 [2024-11-19 10:00:30,128 INFO L226 Difference]: Without dead ends: 86 [2024-11-19 10:00:30,128 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:30,128 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 3 mSDsluCounter, 69 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 17 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:30,129 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 108 Invalid, 17 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:30,129 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2024-11-19 10:00:30,133 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 86. [2024-11-19 10:00:30,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 86 states, 74 states have (on average 1.3243243243243243) internal successors, (98), 82 states have internal predecessors, (98), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:30,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 86 states and 103 transitions. [2024-11-19 10:00:30,134 INFO L78 Accepts]: Start accepts. Automaton has 86 states and 103 transitions. Word has length 37 [2024-11-19 10:00:30,134 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:30,134 INFO L471 AbstractCegarLoop]: Abstraction has 86 states and 103 transitions. [2024-11-19 10:00:30,134 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.666666666666667) internal successors, (20), 4 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:30,134 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 103 transitions. [2024-11-19 10:00:30,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:00:30,134 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:30,135 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:30,148 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-19 10:00:30,338 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:30,339 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:30,339 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:30,339 INFO L85 PathProgramCache]: Analyzing trace with hash -1622597262, now seen corresponding path program 1 times [2024-11-19 10:00:30,339 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:30,339 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901557052] [2024-11-19 10:00:30,339 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:30,340 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:30,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:30,434 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,434 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:30,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901557052] [2024-11-19 10:00:30,434 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901557052] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:30,434 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [807213893] [2024-11-19 10:00:30,434 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:30,435 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:30,435 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:30,436 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:30,437 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:00:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:30,489 INFO L255 TraceCheckSpWp]: Trace formula consists of 137 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:00:30,490 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:30,514 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,514 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:30,514 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [807213893] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:30,514 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:30,514 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:00:30,514 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [804221621] [2024-11-19 10:00:30,515 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:30,515 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:00:30,515 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:30,515 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:00:30,515 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:30,515 INFO L87 Difference]: Start difference. First operand 86 states and 103 transitions. Second operand has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:30,541 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:30,542 INFO L93 Difference]: Finished difference Result 107 states and 129 transitions. [2024-11-19 10:00:30,542 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:00:30,542 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 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 37 [2024-11-19 10:00:30,542 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:30,543 INFO L225 Difference]: With dead ends: 107 [2024-11-19 10:00:30,543 INFO L226 Difference]: Without dead ends: 106 [2024-11-19 10:00:30,543 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:30,544 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 12 mSDsluCounter, 121 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 161 SdHoareTripleChecker+Invalid, 43 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:30,544 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 161 Invalid, 43 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:30,544 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-19 10:00:30,547 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 100. [2024-11-19 10:00:30,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 100 states, 88 states have (on average 1.375) internal successors, (121), 96 states have internal predecessors, (121), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:30,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 126 transitions. [2024-11-19 10:00:30,548 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 126 transitions. Word has length 37 [2024-11-19 10:00:30,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:30,549 INFO L471 AbstractCegarLoop]: Abstraction has 100 states and 126 transitions. [2024-11-19 10:00:30,549 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.0) internal successors, (20), 6 states have internal predecessors, (20), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:30,549 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 126 transitions. [2024-11-19 10:00:30,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2024-11-19 10:00:30,549 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:30,549 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:30,565 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:00:30,753 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:30,754 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:30,754 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:30,754 INFO L85 PathProgramCache]: Analyzing trace with hash -55651464, now seen corresponding path program 1 times [2024-11-19 10:00:30,754 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:30,754 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2008904045] [2024-11-19 10:00:30,754 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:30,754 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:30,800 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,801 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:30,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2008904045] [2024-11-19 10:00:30,801 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2008904045] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:30,801 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [278662039] [2024-11-19 10:00:30,801 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:30,801 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:30,801 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:30,802 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:30,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:00:30,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:30,853 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:00:30,853 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:30,874 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,874 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:30,906 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:30,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [278662039] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:30,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:30,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 11 [2024-11-19 10:00:30,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1134227428] [2024-11-19 10:00:30,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:30,907 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 12 states [2024-11-19 10:00:30,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:30,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2024-11-19 10:00:30,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:00:30,907 INFO L87 Difference]: Start difference. First operand 100 states and 126 transitions. Second operand has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:30,934 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:30,934 INFO L93 Difference]: Finished difference Result 126 states and 160 transitions. [2024-11-19 10:00:30,935 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2024-11-19 10:00:30,935 INFO L78 Accepts]: Start accepts. Automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 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 37 [2024-11-19 10:00:30,935 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:30,935 INFO L225 Difference]: With dead ends: 126 [2024-11-19 10:00:30,935 INFO L226 Difference]: Without dead ends: 125 [2024-11-19 10:00:30,936 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 77 GetRequests, 67 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=41, Invalid=91, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:00:30,936 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 15 mSDsluCounter, 194 mSDsCounter, 0 mSdLazyCounter, 41 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 241 SdHoareTripleChecker+Invalid, 42 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 41 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:30,936 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 241 Invalid, 42 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 41 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:30,937 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-11-19 10:00:30,940 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 118. [2024-11-19 10:00:30,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 118 states, 106 states have (on average 1.4056603773584906) internal successors, (149), 114 states have internal predecessors, (149), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:30,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 118 states and 154 transitions. [2024-11-19 10:00:30,941 INFO L78 Accepts]: Start accepts. Automaton has 118 states and 154 transitions. Word has length 37 [2024-11-19 10:00:30,941 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:30,941 INFO L471 AbstractCegarLoop]: Abstraction has 118 states and 154 transitions. [2024-11-19 10:00:30,941 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 12 states, 11 states have (on average 3.3636363636363638) internal successors, (37), 12 states have internal predecessors, (37), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:30,941 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 154 transitions. [2024-11-19 10:00:30,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2024-11-19 10:00:30,941 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:30,941 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:30,955 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:31,142 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,SelfDestructingSolverStorable12 [2024-11-19 10:00:31,142 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting sepErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:31,142 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:31,143 INFO L85 PathProgramCache]: Analyzing trace with hash -237110886, now seen corresponding path program 1 times [2024-11-19 10:00:31,143 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:31,143 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [634285000] [2024-11-19 10:00:31,143 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:31,143 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:31,192 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:31,192 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:31,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [634285000] [2024-11-19 10:00:31,192 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [634285000] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:31,192 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1226727792] [2024-11-19 10:00:31,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:31,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:31,193 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:31,194 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:31,195 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:00:31,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:31,246 INFO L255 TraceCheckSpWp]: Trace formula consists of 141 conjuncts, 5 conjuncts are in the unsatisfiable core [2024-11-19 10:00:31,247 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:31,270 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:31,270 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:31,270 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1226727792] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:31,271 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:31,271 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [5] total 7 [2024-11-19 10:00:31,271 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [8616351] [2024-11-19 10:00:31,271 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:31,271 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:00:31,271 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:31,272 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:00:31,272 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:31,272 INFO L87 Difference]: Start difference. First operand 118 states and 154 transitions. Second operand has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:31,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:31,289 INFO L93 Difference]: Finished difference Result 118 states and 154 transitions. [2024-11-19 10:00:31,289 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:00:31,289 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 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 39 [2024-11-19 10:00:31,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:31,290 INFO L225 Difference]: With dead ends: 118 [2024-11-19 10:00:31,290 INFO L226 Difference]: Without dead ends: 117 [2024-11-19 10:00:31,290 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:00:31,291 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 11 mSDsluCounter, 78 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 122 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:31,291 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 122 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:31,291 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 117 states. [2024-11-19 10:00:31,308 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 117 to 117. [2024-11-19 10:00:31,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 117 states, 106 states have (on average 1.3396226415094339) internal successors, (142), 113 states have internal predecessors, (142), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:31,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 147 transitions. [2024-11-19 10:00:31,309 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 147 transitions. Word has length 39 [2024-11-19 10:00:31,311 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:31,311 INFO L471 AbstractCegarLoop]: Abstraction has 117 states and 147 transitions. [2024-11-19 10:00:31,311 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.4) internal successors, (22), 6 states have internal predecessors, (22), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:31,311 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 147 transitions. [2024-11-19 10:00:31,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2024-11-19 10:00:31,311 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:31,311 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:31,326 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:31,517 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,SelfDestructingSolverStorable13 [2024-11-19 10:00:31,518 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting sepErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:31,518 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:31,518 INFO L85 PathProgramCache]: Analyzing trace with hash 1239497249, now seen corresponding path program 1 times [2024-11-19 10:00:31,518 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:31,518 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [150843269] [2024-11-19 10:00:31,518 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:31,518 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:31,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:31,550 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2024-11-19 10:00:31,550 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:31,550 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [150843269] [2024-11-19 10:00:31,550 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [150843269] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:31,550 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:31,550 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:31,550 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [340416062] [2024-11-19 10:00:31,550 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:31,551 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:31,551 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:31,551 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:31,551 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:31,551 INFO L87 Difference]: Start difference. First operand 117 states and 147 transitions. Second operand has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:31,560 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:31,560 INFO L93 Difference]: Finished difference Result 117 states and 147 transitions. [2024-11-19 10:00:31,561 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:31,561 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 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 40 [2024-11-19 10:00:31,561 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:31,561 INFO L225 Difference]: With dead ends: 117 [2024-11-19 10:00:31,561 INFO L226 Difference]: Without dead ends: 116 [2024-11-19 10:00:31,561 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:31,562 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 5 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 11 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5 SdHoareTripleChecker+Valid, 106 SdHoareTripleChecker+Invalid, 12 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 11 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:31,562 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5 Valid, 106 Invalid, 12 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 11 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:31,562 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 116 states. [2024-11-19 10:00:31,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 116 to 116. [2024-11-19 10:00:31,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 116 states, 106 states have (on average 1.2735849056603774) internal successors, (135), 112 states have internal predecessors, (135), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:31,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 116 states and 140 transitions. [2024-11-19 10:00:31,566 INFO L78 Accepts]: Start accepts. Automaton has 116 states and 140 transitions. Word has length 40 [2024-11-19 10:00:31,566 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:31,566 INFO L471 AbstractCegarLoop]: Abstraction has 116 states and 140 transitions. [2024-11-19 10:00:31,566 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 7.666666666666667) internal successors, (23), 4 states have internal predecessors, (23), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:31,566 INFO L276 IsEmpty]: Start isEmpty. Operand 116 states and 140 transitions. [2024-11-19 10:00:31,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 10:00:31,566 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:31,567 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:31,567 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2024-11-19 10:00:31,567 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:31,567 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:31,567 INFO L85 PathProgramCache]: Analyzing trace with hash 2028804809, now seen corresponding path program 2 times [2024-11-19 10:00:31,567 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:31,567 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1692645511] [2024-11-19 10:00:31,567 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:31,567 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:31,579 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:00:31,579 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:31,642 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:31,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1692645511] [2024-11-19 10:00:31,642 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1692645511] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:31,642 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1520542011] [2024-11-19 10:00:31,642 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:31,642 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:31,642 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:31,644 INFO L229 MonitoredProcess]: Starting monitored process 11 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:31,645 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-19 10:00:31,705 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:00:31,706 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:31,706 INFO L255 TraceCheckSpWp]: Trace formula consists of 151 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:00:31,707 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:31,739 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:31,739 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:31,798 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:31,798 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1520542011] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:31,798 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:31,798 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7] total 15 [2024-11-19 10:00:31,798 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1163787319] [2024-11-19 10:00:31,798 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:31,798 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:00:31,798 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:31,799 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:00:31,799 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:00:31,799 INFO L87 Difference]: Start difference. First operand 116 states and 140 transitions. Second operand has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:31,834 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:31,834 INFO L93 Difference]: Finished difference Result 150 states and 185 transitions. [2024-11-19 10:00:31,834 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:00:31,834 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 16 states have internal predecessors, (49), 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 43 [2024-11-19 10:00:31,834 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:31,835 INFO L225 Difference]: With dead ends: 150 [2024-11-19 10:00:31,835 INFO L226 Difference]: Without dead ends: 149 [2024-11-19 10:00:31,835 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 77 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 63 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=71, Invalid=169, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:00:31,835 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 17 mSDsluCounter, 140 mSDsCounter, 0 mSdLazyCounter, 42 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 17 SdHoareTripleChecker+Valid, 178 SdHoareTripleChecker+Invalid, 44 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 42 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:31,835 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [17 Valid, 178 Invalid, 44 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 42 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:31,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 149 states. [2024-11-19 10:00:31,839 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 149 to 144. [2024-11-19 10:00:31,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 144 states, 134 states have (on average 1.2761194029850746) internal successors, (171), 140 states have internal predecessors, (171), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:31,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 144 states and 176 transitions. [2024-11-19 10:00:31,840 INFO L78 Accepts]: Start accepts. Automaton has 144 states and 176 transitions. Word has length 43 [2024-11-19 10:00:31,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:31,840 INFO L471 AbstractCegarLoop]: Abstraction has 144 states and 176 transitions. [2024-11-19 10:00:31,840 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 15 states have (on average 3.2666666666666666) internal successors, (49), 16 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:31,840 INFO L276 IsEmpty]: Start isEmpty. Operand 144 states and 176 transitions. [2024-11-19 10:00:31,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 10:00:31,840 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:31,840 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:31,852 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-19 10:00:32,041 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,SelfDestructingSolverStorable15 [2024-11-19 10:00:32,041 INFO L396 AbstractCegarLoop]: === Iteration 17 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:32,041 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:32,041 INFO L85 PathProgramCache]: Analyzing trace with hash 1386614787, now seen corresponding path program 1 times [2024-11-19 10:00:32,041 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:32,041 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [186015061] [2024-11-19 10:00:32,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:32,042 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:32,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:32,112 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:32,112 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:32,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [186015061] [2024-11-19 10:00:32,112 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [186015061] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:32,112 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1481213241] [2024-11-19 10:00:32,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:32,113 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:32,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:32,114 INFO L229 MonitoredProcess]: Starting monitored process 12 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:32,116 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process [2024-11-19 10:00:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:32,172 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-11-19 10:00:32,173 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:32,212 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:32,212 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:32,212 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1481213241] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:32,212 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:32,212 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [7] total 11 [2024-11-19 10:00:32,212 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [360460665] [2024-11-19 10:00:32,212 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:32,213 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:00:32,213 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:32,213 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:00:32,213 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:00:32,213 INFO L87 Difference]: Start difference. First operand 144 states and 176 transitions. Second operand has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:32,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:32,240 INFO L93 Difference]: Finished difference Result 153 states and 188 transitions. [2024-11-19 10:00:32,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:00:32,240 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 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 43 [2024-11-19 10:00:32,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:32,241 INFO L225 Difference]: With dead ends: 153 [2024-11-19 10:00:32,241 INFO L226 Difference]: Without dead ends: 152 [2024-11-19 10:00:32,241 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 49 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=35, Invalid=97, Unknown=0, NotChecked=0, Total=132 [2024-11-19 10:00:32,242 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 2 mSDsluCounter, 111 mSDsCounter, 0 mSdLazyCounter, 33 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 150 SdHoareTripleChecker+Invalid, 35 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 33 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:32,242 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 150 Invalid, 35 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 33 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:32,242 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 152 states. [2024-11-19 10:00:32,255 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 152 to 136. [2024-11-19 10:00:32,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 136 states, 126 states have (on average 1.2698412698412698) internal successors, (160), 132 states have internal predecessors, (160), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 136 states and 165 transitions. [2024-11-19 10:00:32,256 INFO L78 Accepts]: Start accepts. Automaton has 136 states and 165 transitions. Word has length 43 [2024-11-19 10:00:32,256 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:32,256 INFO L471 AbstractCegarLoop]: Abstraction has 136 states and 165 transitions. [2024-11-19 10:00:32,257 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 5.2) internal successors, (26), 6 states have internal predecessors, (26), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:32,257 INFO L276 IsEmpty]: Start isEmpty. Operand 136 states and 165 transitions. [2024-11-19 10:00:32,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2024-11-19 10:00:32,257 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:32,259 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:32,273 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:32,459 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 12 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable16 [2024-11-19 10:00:32,460 INFO L396 AbstractCegarLoop]: === Iteration 18 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:32,460 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:32,460 INFO L85 PathProgramCache]: Analyzing trace with hash -919949233, now seen corresponding path program 2 times [2024-11-19 10:00:32,461 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:32,461 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1597373505] [2024-11-19 10:00:32,461 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:32,461 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:32,472 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:00:32,472 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:32,536 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:32,537 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:32,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1597373505] [2024-11-19 10:00:32,537 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1597373505] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:32,537 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [409671439] [2024-11-19 10:00:32,537 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:32,537 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:32,537 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:32,539 INFO L229 MonitoredProcess]: Starting monitored process 13 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:32,540 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Waiting until timeout for monitored process [2024-11-19 10:00:32,596 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:00:32,596 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:32,597 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:00:32,598 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:32,625 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:32,625 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:32,677 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:32,678 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [409671439] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:32,678 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:32,678 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-11-19 10:00:32,678 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1024545880] [2024-11-19 10:00:32,678 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:32,678 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:00:32,678 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:32,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:00:32,679 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:00:32,679 INFO L87 Difference]: Start difference. First operand 136 states and 165 transitions. Second operand has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:32,726 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:32,726 INFO L93 Difference]: Finished difference Result 193 states and 241 transitions. [2024-11-19 10:00:32,726 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:00:32,727 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 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 43 [2024-11-19 10:00:32,727 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:32,727 INFO L225 Difference]: With dead ends: 193 [2024-11-19 10:00:32,727 INFO L226 Difference]: Without dead ends: 192 [2024-11-19 10:00:32,728 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 79 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:00:32,728 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 8 mSDsluCounter, 162 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 202 SdHoareTripleChecker+Invalid, 82 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:32,728 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 202 Invalid, 82 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:32,729 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 192 states. [2024-11-19 10:00:32,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 192 to 180. [2024-11-19 10:00:32,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 180 states, 170 states have (on average 1.2823529411764707) internal successors, (218), 176 states have internal predecessors, (218), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:32,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 223 transitions. [2024-11-19 10:00:32,733 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 223 transitions. Word has length 43 [2024-11-19 10:00:32,734 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:32,734 INFO L471 AbstractCegarLoop]: Abstraction has 180 states and 223 transitions. [2024-11-19 10:00:32,734 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.6153846153846154) internal successors, (47), 14 states have internal predecessors, (47), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:32,734 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 223 transitions. [2024-11-19 10:00:32,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2024-11-19 10:00:32,734 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:32,734 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:32,746 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (13)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:32,935 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 13 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2024-11-19 10:00:32,935 INFO L396 AbstractCegarLoop]: === Iteration 19 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:32,935 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:32,935 INFO L85 PathProgramCache]: Analyzing trace with hash 35379596, now seen corresponding path program 1 times [2024-11-19 10:00:32,935 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:32,935 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1019953378] [2024-11-19 10:00:32,936 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:32,936 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:32,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 0 proven. 11 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:33,007 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1019953378] [2024-11-19 10:00:33,007 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1019953378] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:33,007 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2090697799] [2024-11-19 10:00:33,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:33,008 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:33,008 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:33,009 INFO L229 MonitoredProcess]: Starting monitored process 14 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:33,010 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Waiting until timeout for monitored process [2024-11-19 10:00:33,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:33,070 INFO L255 TraceCheckSpWp]: Trace formula consists of 154 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:00:33,071 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:33,098 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:33,099 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:33,149 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 2 proven. 7 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:33,150 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2090697799] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:33,150 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:33,150 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 6, 6] total 13 [2024-11-19 10:00:33,150 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1298057534] [2024-11-19 10:00:33,150 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:33,150 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:00:33,150 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:33,151 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:00:33,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:00:33,151 INFO L87 Difference]: Start difference. First operand 180 states and 223 transitions. Second operand has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:33,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:33,199 INFO L93 Difference]: Finished difference Result 250 states and 317 transitions. [2024-11-19 10:00:33,199 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:00:33,199 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 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 44 [2024-11-19 10:00:33,199 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:33,200 INFO L225 Difference]: With dead ends: 250 [2024-11-19 10:00:33,200 INFO L226 Difference]: Without dead ends: 249 [2024-11-19 10:00:33,200 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 93 GetRequests, 81 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=139, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:00:33,201 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 6 mSDsluCounter, 189 mSDsCounter, 0 mSdLazyCounter, 80 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 6 SdHoareTripleChecker+Valid, 225 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 80 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:33,202 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [6 Valid, 225 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 80 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:33,202 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 249 states. [2024-11-19 10:00:33,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 249 to 243. [2024-11-19 10:00:33,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 243 states, 233 states have (on average 1.2789699570815452) internal successors, (298), 239 states have internal predecessors, (298), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:33,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 243 states and 303 transitions. [2024-11-19 10:00:33,209 INFO L78 Accepts]: Start accepts. Automaton has 243 states and 303 transitions. Word has length 44 [2024-11-19 10:00:33,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:33,209 INFO L471 AbstractCegarLoop]: Abstraction has 243 states and 303 transitions. [2024-11-19 10:00:33,209 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 13 states have (on average 3.769230769230769) internal successors, (49), 14 states have internal predecessors, (49), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:33,209 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 303 transitions. [2024-11-19 10:00:33,209 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2024-11-19 10:00:33,209 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:33,209 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:33,224 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (14)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:33,410 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18,14 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:33,410 INFO L396 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:33,411 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:33,411 INFO L85 PathProgramCache]: Analyzing trace with hash 2046299830, now seen corresponding path program 1 times [2024-11-19 10:00:33,411 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:33,411 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1564517313] [2024-11-19 10:00:33,411 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:33,411 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:33,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:33,503 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:33,504 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1564517313] [2024-11-19 10:00:33,504 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1564517313] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:33,504 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1503694215] [2024-11-19 10:00:33,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:33,504 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:33,504 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:33,506 INFO L229 MonitoredProcess]: Starting monitored process 15 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:33,507 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Waiting until timeout for monitored process [2024-11-19 10:00:33,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:33,578 INFO L255 TraceCheckSpWp]: Trace formula consists of 192 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:00:33,579 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:33,587 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-19 10:00:33,587 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:33,588 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1503694215] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:33,588 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:33,588 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 10:00:33,588 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1809961659] [2024-11-19 10:00:33,588 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:33,588 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:00:33,588 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:33,589 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:00:33,590 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:00:33,590 INFO L87 Difference]: Start difference. First operand 243 states and 303 transitions. Second operand has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:33,608 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:33,608 INFO L93 Difference]: Finished difference Result 248 states and 310 transitions. [2024-11-19 10:00:33,608 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:00:33,608 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 54 [2024-11-19 10:00:33,609 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:33,610 INFO L225 Difference]: With dead ends: 248 [2024-11-19 10:00:33,610 INFO L226 Difference]: Without dead ends: 247 [2024-11-19 10:00:33,610 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 58 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:00:33,611 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 2 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 16 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 16 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:33,611 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 69 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 16 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:33,614 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-19 10:00:33,619 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 245. [2024-11-19 10:00:33,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 245 states, 235 states have (on average 1.2808510638297872) internal successors, (301), 241 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:33,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 245 states and 306 transitions. [2024-11-19 10:00:33,620 INFO L78 Accepts]: Start accepts. Automaton has 245 states and 306 transitions. Word has length 54 [2024-11-19 10:00:33,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:33,621 INFO L471 AbstractCegarLoop]: Abstraction has 245 states and 306 transitions. [2024-11-19 10:00:33,621 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 11.5) internal successors, (23), 3 states have internal predecessors, (23), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:33,621 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 306 transitions. [2024-11-19 10:00:33,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2024-11-19 10:00:33,621 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:33,621 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:33,634 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (15)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:33,822 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,15 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:33,822 INFO L396 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:33,823 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:33,823 INFO L85 PathProgramCache]: Analyzing trace with hash -989214644, now seen corresponding path program 1 times [2024-11-19 10:00:33,823 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:33,823 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1120604824] [2024-11-19 10:00:33,823 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:33,823 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:33,875 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:33,876 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1120604824] [2024-11-19 10:00:33,876 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1120604824] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:33,876 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1568425283] [2024-11-19 10:00:33,876 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:33,876 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:33,876 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:33,878 INFO L229 MonitoredProcess]: Starting monitored process 16 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:33,879 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Waiting until timeout for monitored process [2024-11-19 10:00:33,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:33,941 INFO L255 TraceCheckSpWp]: Trace formula consists of 193 conjuncts, 2 conjuncts are in the unsatisfiable core [2024-11-19 10:00:33,942 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:33,948 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2024-11-19 10:00:33,949 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:00:33,949 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1568425283] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:33,949 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:00:33,949 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2024-11-19 10:00:33,949 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [897375913] [2024-11-19 10:00:33,949 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:33,949 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:00:33,950 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:33,950 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:00:33,950 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:00:33,950 INFO L87 Difference]: Start difference. First operand 245 states and 306 transitions. Second operand has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:33,965 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:33,965 INFO L93 Difference]: Finished difference Result 453 states and 570 transitions. [2024-11-19 10:00:33,965 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:00:33,965 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 55 [2024-11-19 10:00:33,966 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:33,966 INFO L225 Difference]: With dead ends: 453 [2024-11-19 10:00:33,966 INFO L226 Difference]: Without dead ends: 247 [2024-11-19 10:00:33,967 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:00:33,967 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 1 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 71 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:33,967 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 71 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:33,968 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 247 states. [2024-11-19 10:00:33,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 247 to 246. [2024-11-19 10:00:33,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 246 states, 236 states have (on average 1.2754237288135593) internal successors, (301), 242 states have internal predecessors, (301), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:33,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 246 states and 306 transitions. [2024-11-19 10:00:33,974 INFO L78 Accepts]: Start accepts. Automaton has 246 states and 306 transitions. Word has length 55 [2024-11-19 10:00:33,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:33,974 INFO L471 AbstractCegarLoop]: Abstraction has 246 states and 306 transitions. [2024-11-19 10:00:33,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 12.0) internal successors, (24), 3 states have internal predecessors, (24), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:33,974 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 306 transitions. [2024-11-19 10:00:33,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:00:33,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:33,975 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:33,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (16)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:34,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,16 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:34,175 INFO L396 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:34,175 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:34,176 INFO L85 PathProgramCache]: Analyzing trace with hash -1447498290, now seen corresponding path program 1 times [2024-11-19 10:00:34,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:34,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2029396548] [2024-11-19 10:00:34,176 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:34,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:34,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:34,220 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:34,220 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:34,220 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2029396548] [2024-11-19 10:00:34,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2029396548] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:34,221 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2005569295] [2024-11-19 10:00:34,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:34,221 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:34,221 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:34,222 INFO L229 MonitoredProcess]: Starting monitored process 17 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:34,223 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Waiting until timeout for monitored process [2024-11-19 10:00:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:34,289 INFO L255 TraceCheckSpWp]: Trace formula consists of 200 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:00:34,290 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:34,304 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 11 proven. 1 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2024-11-19 10:00:34,304 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:34,350 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 0 proven. 14 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2024-11-19 10:00:34,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2005569295] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:34,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:34,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 5, 5] total 10 [2024-11-19 10:00:34,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1096811409] [2024-11-19 10:00:34,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:34,351 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:00:34,351 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:34,352 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:00:34,352 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:00:34,352 INFO L87 Difference]: Start difference. First operand 246 states and 306 transitions. Second operand has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:00:34,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:34,381 INFO L93 Difference]: Finished difference Result 479 states and 601 transitions. [2024-11-19 10:00:34,381 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2024-11-19 10:00:34,381 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) Word has length 57 [2024-11-19 10:00:34,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:34,382 INFO L225 Difference]: With dead ends: 479 [2024-11-19 10:00:34,382 INFO L226 Difference]: Without dead ends: 258 [2024-11-19 10:00:34,383 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 117 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 14 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=60, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:00:34,383 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 28 mSDsluCounter, 154 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 28 SdHoareTripleChecker+Valid, 193 SdHoareTripleChecker+Invalid, 28 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:34,383 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [28 Valid, 193 Invalid, 28 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:34,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 258 states. [2024-11-19 10:00:34,388 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 258 to 258. [2024-11-19 10:00:34,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 258 states, 248 states have (on average 1.2459677419354838) internal successors, (309), 254 states have internal predecessors, (309), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:34,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 258 states to 258 states and 314 transitions. [2024-11-19 10:00:34,390 INFO L78 Accepts]: Start accepts. Automaton has 258 states and 314 transitions. Word has length 57 [2024-11-19 10:00:34,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:34,390 INFO L471 AbstractCegarLoop]: Abstraction has 258 states and 314 transitions. [2024-11-19 10:00:34,390 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 6.3) internal successors, (63), 10 states have internal predecessors, (63), 2 states have call successors, (3), 2 states have call predecessors, (3), 2 states have return successors, (3), 1 states have call predecessors, (3), 2 states have call successors, (3) [2024-11-19 10:00:34,390 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 314 transitions. [2024-11-19 10:00:34,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-19 10:00:34,390 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:34,391 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:34,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (17)] Ended with exit code 0 [2024-11-19 10:00:34,591 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 17 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable21 [2024-11-19 10:00:34,591 INFO L396 AbstractCegarLoop]: === Iteration 23 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:34,592 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:34,592 INFO L85 PathProgramCache]: Analyzing trace with hash 467207171, now seen corresponding path program 3 times [2024-11-19 10:00:34,592 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:34,592 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1752902747] [2024-11-19 10:00:34,592 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:00:34,592 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:34,625 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:00:34,625 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:34,714 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 37 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 10:00:34,714 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:34,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1752902747] [2024-11-19 10:00:34,715 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1752902747] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:34,715 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1323175307] [2024-11-19 10:00:34,715 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:00:34,715 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:34,715 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:34,716 INFO L229 MonitoredProcess]: Starting monitored process 18 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:34,717 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Waiting until timeout for monitored process [2024-11-19 10:00:34,783 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 5 check-sat command(s) [2024-11-19 10:00:34,784 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:34,785 INFO L255 TraceCheckSpWp]: Trace formula consists of 171 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:00:34,786 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:34,820 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:00:34,821 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:34,905 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 5 proven. 33 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:00:34,906 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1323175307] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:34,906 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:34,906 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-11-19 10:00:34,906 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906121409] [2024-11-19 10:00:34,906 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:34,906 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:00:34,907 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:34,907 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:00:34,907 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:00:34,907 INFO L87 Difference]: Start difference. First operand 258 states and 314 transitions. Second operand has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:34,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:34,962 INFO L93 Difference]: Finished difference Result 464 states and 587 transitions. [2024-11-19 10:00:34,962 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:00:34,962 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 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 57 [2024-11-19 10:00:34,962 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:34,963 INFO L225 Difference]: With dead ends: 464 [2024-11-19 10:00:34,964 INFO L226 Difference]: Without dead ends: 463 [2024-11-19 10:00:34,964 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 123 GetRequests, 107 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:00:34,964 INFO L432 NwaCegarLoop]: 40 mSDtfsCounter, 11 mSDsluCounter, 219 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 11 SdHoareTripleChecker+Valid, 259 SdHoareTripleChecker+Invalid, 81 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:34,964 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [11 Valid, 259 Invalid, 81 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:34,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2024-11-19 10:00:34,972 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 296. [2024-11-19 10:00:34,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 296 states, 286 states have (on average 1.2447552447552448) internal successors, (356), 292 states have internal predecessors, (356), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:34,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 296 states to 296 states and 361 transitions. [2024-11-19 10:00:34,974 INFO L78 Accepts]: Start accepts. Automaton has 296 states and 361 transitions. Word has length 57 [2024-11-19 10:00:34,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:34,974 INFO L471 AbstractCegarLoop]: Abstraction has 296 states and 361 transitions. [2024-11-19 10:00:34,974 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.588235294117647) internal successors, (61), 18 states have internal predecessors, (61), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:34,974 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 361 transitions. [2024-11-19 10:00:34,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 59 [2024-11-19 10:00:34,974 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:34,975 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:34,987 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (18)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:35,175 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22,18 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:35,175 INFO L396 AbstractCegarLoop]: === Iteration 24 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:35,176 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:35,176 INFO L85 PathProgramCache]: Analyzing trace with hash -954765056, now seen corresponding path program 2 times [2024-11-19 10:00:35,176 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:35,176 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [976765017] [2024-11-19 10:00:35,176 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:35,176 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:35,187 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:00:35,187 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:35,337 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 40 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2024-11-19 10:00:35,337 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:35,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [976765017] [2024-11-19 10:00:35,337 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [976765017] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:35,337 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1675917164] [2024-11-19 10:00:35,337 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:35,337 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:35,337 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:35,339 INFO L229 MonitoredProcess]: Starting monitored process 19 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:35,340 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Waiting until timeout for monitored process [2024-11-19 10:00:35,408 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-19 10:00:35,408 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:35,409 INFO L255 TraceCheckSpWp]: Trace formula consists of 188 conjuncts, 11 conjuncts are in the unsatisfiable core [2024-11-19 10:00:35,410 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:35,444 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:00:35,444 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:35,527 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 5 proven. 36 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2024-11-19 10:00:35,527 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1675917164] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:35,527 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:35,527 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10, 8, 8] total 17 [2024-11-19 10:00:35,527 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [169487989] [2024-11-19 10:00:35,527 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:35,528 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 18 states [2024-11-19 10:00:35,528 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:35,528 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2024-11-19 10:00:35,528 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:00:35,528 INFO L87 Difference]: Start difference. First operand 296 states and 361 transitions. Second operand has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:35,585 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:35,585 INFO L93 Difference]: Finished difference Result 527 states and 665 transitions. [2024-11-19 10:00:35,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2024-11-19 10:00:35,586 INFO L78 Accepts]: Start accepts. Automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 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 58 [2024-11-19 10:00:35,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:35,587 INFO L225 Difference]: With dead ends: 527 [2024-11-19 10:00:35,587 INFO L226 Difference]: Without dead ends: 526 [2024-11-19 10:00:35,587 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 109 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=230, Unknown=0, NotChecked=0, Total=306 [2024-11-19 10:00:35,588 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 12 mSDsluCounter, 230 mSDsCounter, 0 mSdLazyCounter, 76 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 12 SdHoareTripleChecker+Valid, 265 SdHoareTripleChecker+Invalid, 77 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 76 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:35,588 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [12 Valid, 265 Invalid, 77 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 76 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:35,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 526 states. [2024-11-19 10:00:35,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 526 to 330. [2024-11-19 10:00:35,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 330 states, 320 states have (on average 1.246875) internal successors, (399), 326 states have internal predecessors, (399), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:35,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 330 states and 404 transitions. [2024-11-19 10:00:35,599 INFO L78 Accepts]: Start accepts. Automaton has 330 states and 404 transitions. Word has length 58 [2024-11-19 10:00:35,599 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:35,599 INFO L471 AbstractCegarLoop]: Abstraction has 330 states and 404 transitions. [2024-11-19 10:00:35,599 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 18 states, 17 states have (on average 3.7058823529411766) internal successors, (63), 18 states have internal predecessors, (63), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:35,599 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 404 transitions. [2024-11-19 10:00:35,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 10:00:35,600 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:35,600 INFO L215 NwaCegarLoop]: trace histogram [7, 7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:35,612 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (19)] Ended with exit code 0 [2024-11-19 10:00:35,800 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23,19 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:35,801 INFO L396 AbstractCegarLoop]: === Iteration 25 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:35,801 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:35,801 INFO L85 PathProgramCache]: Analyzing trace with hash -1622164023, now seen corresponding path program 3 times [2024-11-19 10:00:35,801 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:35,801 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073840255] [2024-11-19 10:00:35,801 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:00:35,801 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:35,861 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 10:00:35,861 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:36,062 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:36,062 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:36,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073840255] [2024-11-19 10:00:36,063 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2073840255] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:36,063 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [259629174] [2024-11-19 10:00:36,063 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:00:36,063 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:36,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:36,064 INFO L229 MonitoredProcess]: Starting monitored process 20 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:36,066 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Waiting until timeout for monitored process [2024-11-19 10:00:36,151 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 7 check-sat command(s) [2024-11-19 10:00:36,151 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:36,152 INFO L255 TraceCheckSpWp]: Trace formula consists of 215 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:00:36,153 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:36,216 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:36,217 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 0 proven. 123 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2024-11-19 10:00:36,447 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [259629174] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:36,447 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:36,447 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15, 15, 15] total 31 [2024-11-19 10:00:36,447 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [11780727] [2024-11-19 10:00:36,447 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:36,447 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 32 states [2024-11-19 10:00:36,448 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:36,448 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 32 interpolants. [2024-11-19 10:00:36,448 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-19 10:00:36,449 INFO L87 Difference]: Start difference. First operand 330 states and 404 transitions. Second operand has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:36,522 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:36,522 INFO L93 Difference]: Finished difference Result 421 states and 525 transitions. [2024-11-19 10:00:36,524 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2024-11-19 10:00:36,524 INFO L78 Accepts]: Start accepts. Automaton has has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 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 71 [2024-11-19 10:00:36,525 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:36,526 INFO L225 Difference]: With dead ends: 421 [2024-11-19 10:00:36,526 INFO L226 Difference]: Without dead ends: 420 [2024-11-19 10:00:36,526 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 125 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 295 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=271, Invalid=721, Unknown=0, NotChecked=0, Total=992 [2024-11-19 10:00:36,527 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 30 mSDsluCounter, 324 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 30 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 89 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:36,527 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [30 Valid, 362 Invalid, 89 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:00:36,527 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 420 states. [2024-11-19 10:00:36,538 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 420 to 401. [2024-11-19 10:00:36,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 401 states, 391 states have (on average 1.2557544757033248) internal successors, (491), 397 states have internal predecessors, (491), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:36,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 401 states and 496 transitions. [2024-11-19 10:00:36,543 INFO L78 Accepts]: Start accepts. Automaton has 401 states and 496 transitions. Word has length 71 [2024-11-19 10:00:36,543 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:36,543 INFO L471 AbstractCegarLoop]: Abstraction has 401 states and 496 transitions. [2024-11-19 10:00:36,544 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 32 states, 31 states have (on average 3.3870967741935485) internal successors, (105), 32 states have internal predecessors, (105), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:36,544 INFO L276 IsEmpty]: Start isEmpty. Operand 401 states and 496 transitions. [2024-11-19 10:00:36,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2024-11-19 10:00:36,545 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:36,545 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:36,559 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (20)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:36,748 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,20 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:36,749 INFO L396 AbstractCegarLoop]: === Iteration 26 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:36,749 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:36,749 INFO L85 PathProgramCache]: Analyzing trace with hash -25284401, now seen corresponding path program 4 times [2024-11-19 10:00:36,750 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:36,750 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1942415565] [2024-11-19 10:00:36,750 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:00:36,750 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:36,766 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:00:36,766 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:36,934 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 10:00:36,934 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:36,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1942415565] [2024-11-19 10:00:36,934 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1942415565] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:36,934 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [933888810] [2024-11-19 10:00:36,934 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:00:36,934 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:36,934 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:36,935 INFO L229 MonitoredProcess]: Starting monitored process 21 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:36,936 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Waiting until timeout for monitored process [2024-11-19 10:00:37,011 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:00:37,011 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:37,013 INFO L255 TraceCheckSpWp]: Trace formula consists of 216 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:00:37,014 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:37,061 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 10:00:37,062 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:37,221 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 5 proven. 95 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 10:00:37,221 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [933888810] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:37,221 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:37,221 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 10:00:37,221 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [140038010] [2024-11-19 10:00:37,221 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:37,222 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:00:37,222 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:37,222 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:00:37,223 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:00:37,223 INFO L87 Difference]: Start difference. First operand 401 states and 496 transitions. Second operand has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:37,299 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:37,300 INFO L93 Difference]: Finished difference Result 735 states and 939 transitions. [2024-11-19 10:00:37,300 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:00:37,300 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 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 71 [2024-11-19 10:00:37,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:37,302 INFO L225 Difference]: With dead ends: 735 [2024-11-19 10:00:37,302 INFO L226 Difference]: Without dead ends: 734 [2024-11-19 10:00:37,302 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 133 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:00:37,303 INFO L432 NwaCegarLoop]: 36 mSDtfsCounter, 23 mSDsluCounter, 326 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 23 SdHoareTripleChecker+Valid, 362 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:37,303 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [23 Valid, 362 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:00:37,303 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 734 states. [2024-11-19 10:00:37,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 734 to 457. [2024-11-19 10:00:37,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 447 states have (on average 1.2595078299776286) internal successors, (563), 453 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:37,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 568 transitions. [2024-11-19 10:00:37,320 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 568 transitions. Word has length 71 [2024-11-19 10:00:37,320 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:37,320 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 568 transitions. [2024-11-19 10:00:37,320 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.391304347826087) internal successors, (78), 24 states have internal predecessors, (78), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:37,320 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 568 transitions. [2024-11-19 10:00:37,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:00:37,321 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:37,321 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 5, 5, 5, 5, 5, 5, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:37,335 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (21)] Ended with exit code 0 [2024-11-19 10:00:37,525 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 21 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2024-11-19 10:00:37,526 INFO L396 AbstractCegarLoop]: === Iteration 27 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:37,526 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:37,526 INFO L85 PathProgramCache]: Analyzing trace with hash 764812422, now seen corresponding path program 3 times [2024-11-19 10:00:37,526 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:37,526 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [130296119] [2024-11-19 10:00:37,526 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-19 10:00:37,527 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:37,536 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 3 check-sat command(s) [2024-11-19 10:00:37,536 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:37,578 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2024-11-19 10:00:37,578 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:37,578 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [130296119] [2024-11-19 10:00:37,579 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [130296119] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:37,579 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:37,579 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2024-11-19 10:00:37,579 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [555836535] [2024-11-19 10:00:37,579 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:37,579 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:00:37,579 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:37,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:00:37,580 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:00:37,580 INFO L87 Difference]: Start difference. First operand 457 states and 568 transitions. Second operand has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:37,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:37,610 INFO L93 Difference]: Finished difference Result 491 states and 612 transitions. [2024-11-19 10:00:37,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:00:37,610 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 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 72 [2024-11-19 10:00:37,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:37,611 INFO L225 Difference]: With dead ends: 491 [2024-11-19 10:00:37,611 INFO L226 Difference]: Without dead ends: 490 [2024-11-19 10:00:37,612 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:00:37,612 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 3 mSDsluCounter, 103 mSDsCounter, 0 mSdLazyCounter, 30 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3 SdHoareTripleChecker+Valid, 138 SdHoareTripleChecker+Invalid, 32 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 30 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:37,612 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3 Valid, 138 Invalid, 32 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 30 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:37,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 490 states. [2024-11-19 10:00:37,625 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 490 to 457. [2024-11-19 10:00:37,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 457 states, 447 states have (on average 1.2595078299776286) internal successors, (563), 453 states have internal predecessors, (563), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:37,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 457 states and 568 transitions. [2024-11-19 10:00:37,628 INFO L78 Accepts]: Start accepts. Automaton has 457 states and 568 transitions. Word has length 72 [2024-11-19 10:00:37,628 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:37,628 INFO L471 AbstractCegarLoop]: Abstraction has 457 states and 568 transitions. [2024-11-19 10:00:37,628 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.8) internal successors, (34), 6 states have internal predecessors, (34), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:37,628 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 568 transitions. [2024-11-19 10:00:37,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2024-11-19 10:00:37,628 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:37,628 INFO L215 NwaCegarLoop]: trace histogram [7, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:37,629 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2024-11-19 10:00:37,629 INFO L396 AbstractCegarLoop]: === Iteration 28 === Targeting sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:37,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:37,629 INFO L85 PathProgramCache]: Analyzing trace with hash -1963209076, now seen corresponding path program 4 times [2024-11-19 10:00:37,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:37,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1633857294] [2024-11-19 10:00:37,629 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:00:37,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:37,645 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:00:37,645 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:37,820 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 10:00:37,820 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:37,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1633857294] [2024-11-19 10:00:37,820 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1633857294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:37,820 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1458747652] [2024-11-19 10:00:37,820 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-19 10:00:37,820 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:37,820 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:37,822 INFO L229 MonitoredProcess]: Starting monitored process 22 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:37,823 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Waiting until timeout for monitored process [2024-11-19 10:00:37,901 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-19 10:00:37,901 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:37,901 INFO L255 TraceCheckSpWp]: Trace formula consists of 222 conjuncts, 15 conjuncts are in the unsatisfiable core [2024-11-19 10:00:37,902 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:37,957 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 10:00:37,958 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:38,082 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 5 proven. 100 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2024-11-19 10:00:38,082 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1458747652] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:38,082 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:38,083 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 23 [2024-11-19 10:00:38,083 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1441200852] [2024-11-19 10:00:38,083 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:38,083 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 24 states [2024-11-19 10:00:38,083 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:38,083 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2024-11-19 10:00:38,083 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:00:38,084 INFO L87 Difference]: Start difference. First operand 457 states and 568 transitions. Second operand has 24 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 24 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:38,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:38,165 INFO L93 Difference]: Finished difference Result 857 states and 1094 transitions. [2024-11-19 10:00:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-11-19 10:00:38,165 INFO L78 Accepts]: Start accepts. Automaton has has 24 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 24 states have internal predecessors, (80), 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 72 [2024-11-19 10:00:38,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:38,167 INFO L225 Difference]: With dead ends: 857 [2024-11-19 10:00:38,167 INFO L226 Difference]: Without dead ends: 856 [2024-11-19 10:00:38,168 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 157 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 124 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=136, Invalid=416, Unknown=0, NotChecked=0, Total=552 [2024-11-19 10:00:38,168 INFO L432 NwaCegarLoop]: 35 mSDtfsCounter, 19 mSDsluCounter, 314 mSDsCounter, 0 mSdLazyCounter, 99 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 19 SdHoareTripleChecker+Valid, 349 SdHoareTripleChecker+Invalid, 100 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 99 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:38,168 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [19 Valid, 349 Invalid, 100 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 99 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:00:38,168 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 856 states. [2024-11-19 10:00:38,184 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 856 to 514. [2024-11-19 10:00:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 514 states, 504 states have (on average 1.2658730158730158) internal successors, (638), 510 states have internal predecessors, (638), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 514 states to 514 states and 643 transitions. [2024-11-19 10:00:38,187 INFO L78 Accepts]: Start accepts. Automaton has 514 states and 643 transitions. Word has length 72 [2024-11-19 10:00:38,187 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:38,187 INFO L471 AbstractCegarLoop]: Abstraction has 514 states and 643 transitions. [2024-11-19 10:00:38,187 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 24 states, 23 states have (on average 3.4782608695652173) internal successors, (80), 24 states have internal predecessors, (80), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:38,187 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 643 transitions. [2024-11-19 10:00:38,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 10:00:38,188 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:38,188 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:38,200 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (22)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:38,388 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 22 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable27 [2024-11-19 10:00:38,388 INFO L396 AbstractCegarLoop]: === Iteration 29 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:38,389 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:38,389 INFO L85 PathProgramCache]: Analyzing trace with hash 1927050958, now seen corresponding path program 2 times [2024-11-19 10:00:38,389 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:38,389 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948600836] [2024-11-19 10:00:38,389 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:00:38,389 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:38,397 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:00:38,397 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:38,414 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-19 10:00:38,414 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:38,414 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948600836] [2024-11-19 10:00:38,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948600836] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:38,414 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:38,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:38,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2100796955] [2024-11-19 10:00:38,414 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:38,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:38,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:38,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:38,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:38,415 INFO L87 Difference]: Start difference. First operand 514 states and 643 transitions. Second operand has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:38,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:38,451 INFO L93 Difference]: Finished difference Result 519 states and 648 transitions. [2024-11-19 10:00:38,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:38,451 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 85 [2024-11-19 10:00:38,451 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:38,452 INFO L225 Difference]: With dead ends: 519 [2024-11-19 10:00:38,452 INFO L226 Difference]: Without dead ends: 517 [2024-11-19 10:00:38,453 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:38,453 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 1 mSDsluCounter, 65 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:38,453 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 102 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:38,453 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 517 states. [2024-11-19 10:00:38,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 517 to 517. [2024-11-19 10:00:38,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 517 states, 507 states have (on average 1.2642998027613412) internal successors, (641), 513 states have internal predecessors, (641), 3 states have call successors, (3), 1 states have call predecessors, (3), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:38,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 517 states to 517 states and 646 transitions. [2024-11-19 10:00:38,472 INFO L78 Accepts]: Start accepts. Automaton has 517 states and 646 transitions. Word has length 85 [2024-11-19 10:00:38,472 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:38,473 INFO L471 AbstractCegarLoop]: Abstraction has 517 states and 646 transitions. [2024-11-19 10:00:38,473 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 8.666666666666666) internal successors, (26), 4 states have internal predecessors, (26), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:38,473 INFO L276 IsEmpty]: Start isEmpty. Operand 517 states and 646 transitions. [2024-11-19 10:00:38,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2024-11-19 10:00:38,475 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:38,475 INFO L215 NwaCegarLoop]: trace histogram [9, 8, 8, 8, 8, 7, 7, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:38,475 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2024-11-19 10:00:38,475 INFO L396 AbstractCegarLoop]: === Iteration 30 === Targeting sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:38,476 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:38,476 INFO L85 PathProgramCache]: Analyzing trace with hash -1161471613, now seen corresponding path program 5 times [2024-11-19 10:00:38,476 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:38,476 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146459779] [2024-11-19 10:00:38,476 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-19 10:00:38,476 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:38,512 INFO L227 tOrderPrioritization]: Assert order INSIDE_LOOP_FIRST1 issued 9 check-sat command(s) [2024-11-19 10:00:38,513 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:00:38,654 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2024-11-19 10:00:38,654 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:38,654 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146459779] [2024-11-19 10:00:38,655 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146459779] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:38,655 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:38,655 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [15] imperfect sequences [] total 15 [2024-11-19 10:00:38,655 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [749167144] [2024-11-19 10:00:38,655 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:38,656 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 15 states [2024-11-19 10:00:38,656 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:38,657 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2024-11-19 10:00:38,657 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:00:38,657 INFO L87 Difference]: Start difference. First operand 517 states and 646 transitions. Second operand has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:38,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:38,728 INFO L93 Difference]: Finished difference Result 767 states and 948 transitions. [2024-11-19 10:00:38,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:00:38,728 INFO L78 Accepts]: Start accepts. Automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 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 85 [2024-11-19 10:00:38,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:38,729 INFO L225 Difference]: With dead ends: 767 [2024-11-19 10:00:38,729 INFO L226 Difference]: Without dead ends: 273 [2024-11-19 10:00:38,731 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2024-11-19 10:00:38,731 INFO L432 NwaCegarLoop]: 60 mSDtfsCounter, 15 mSDsluCounter, 336 mSDsCounter, 0 mSdLazyCounter, 145 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 396 SdHoareTripleChecker+Invalid, 146 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 145 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:38,731 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 396 Invalid, 146 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 145 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:00:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2024-11-19 10:00:38,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 94. [2024-11-19 10:00:38,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 94 states, 87 states have (on average 1.1379310344827587) internal successors, (99), 90 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:38,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 94 states and 103 transitions. [2024-11-19 10:00:38,737 INFO L78 Accepts]: Start accepts. Automaton has 94 states and 103 transitions. Word has length 85 [2024-11-19 10:00:38,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:38,737 INFO L471 AbstractCegarLoop]: Abstraction has 94 states and 103 transitions. [2024-11-19 10:00:38,737 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 15 states, 15 states have (on average 4.0) internal successors, (60), 15 states have internal predecessors, (60), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:38,738 INFO L276 IsEmpty]: Start isEmpty. Operand 94 states and 103 transitions. [2024-11-19 10:00:38,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2024-11-19 10:00:38,738 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:38,738 INFO L215 NwaCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:38,738 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable29 [2024-11-19 10:00:38,738 INFO L396 AbstractCegarLoop]: === Iteration 31 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:38,739 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:38,739 INFO L85 PathProgramCache]: Analyzing trace with hash -2052684676, now seen corresponding path program 1 times [2024-11-19 10:00:38,739 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:38,739 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [284153367] [2024-11-19 10:00:38,739 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:38,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:38,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:38,787 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2024-11-19 10:00:38,787 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:38,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [284153367] [2024-11-19 10:00:38,787 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [284153367] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:00:38,787 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [882049788] [2024-11-19 10:00:38,788 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:38,788 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:38,788 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:00:38,789 INFO L229 MonitoredProcess]: Starting monitored process 23 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:00:38,790 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Waiting until timeout for monitored process [2024-11-19 10:00:38,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:38,875 INFO L255 TraceCheckSpWp]: Trace formula consists of 269 conjuncts, 8 conjuncts are in the unsatisfiable core [2024-11-19 10:00:38,876 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:00:38,933 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 71 proven. 24 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2024-11-19 10:00:38,933 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:00:39,001 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 0 proven. 97 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2024-11-19 10:00:39,001 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [882049788] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:00:39,001 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:00:39,001 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 9, 9] total 14 [2024-11-19 10:00:39,002 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [587098559] [2024-11-19 10:00:39,013 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:00:39,013 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 14 states [2024-11-19 10:00:39,013 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:39,014 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2024-11-19 10:00:39,014 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:00:39,014 INFO L87 Difference]: Start difference. First operand 94 states and 103 transitions. Second operand has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:00:39,072 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:39,072 INFO L93 Difference]: Finished difference Result 167 states and 187 transitions. [2024-11-19 10:00:39,073 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2024-11-19 10:00:39,073 INFO L78 Accepts]: Start accepts. Automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) Word has length 88 [2024-11-19 10:00:39,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:39,073 INFO L225 Difference]: With dead ends: 167 [2024-11-19 10:00:39,073 INFO L226 Difference]: Without dead ends: 98 [2024-11-19 10:00:39,074 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 178 GetRequests, 161 SyntacticMatches, 5 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 38 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2024-11-19 10:00:39,074 INFO L432 NwaCegarLoop]: 27 mSDtfsCounter, 39 mSDsluCounter, 141 mSDsCounter, 0 mSdLazyCounter, 106 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 39 SdHoareTripleChecker+Valid, 168 SdHoareTripleChecker+Invalid, 106 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 106 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:39,074 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [39 Valid, 168 Invalid, 106 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 106 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:00:39,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2024-11-19 10:00:39,079 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 96. [2024-11-19 10:00:39,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 96 states, 89 states have (on average 1.1123595505617978) internal successors, (99), 92 states have internal predecessors, (99), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:39,079 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 96 states and 103 transitions. [2024-11-19 10:00:39,079 INFO L78 Accepts]: Start accepts. Automaton has 96 states and 103 transitions. Word has length 88 [2024-11-19 10:00:39,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:39,079 INFO L471 AbstractCegarLoop]: Abstraction has 96 states and 103 transitions. [2024-11-19 10:00:39,079 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 14 states, 14 states have (on average 5.785714285714286) internal successors, (81), 14 states have internal predecessors, (81), 2 states have call successors, (4), 2 states have call predecessors, (4), 2 states have return successors, (5), 2 states have call predecessors, (5), 2 states have call successors, (5) [2024-11-19 10:00:39,080 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 103 transitions. [2024-11-19 10:00:39,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-11-19 10:00:39,080 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:39,080 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:39,093 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (23)] Forceful destruction successful, exit code 0 [2024-11-19 10:00:39,280 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable30,23 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:00:39,281 INFO L396 AbstractCegarLoop]: === Iteration 32 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:39,281 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:39,281 INFO L85 PathProgramCache]: Analyzing trace with hash -637266874, now seen corresponding path program 1 times [2024-11-19 10:00:39,281 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:39,281 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [80616596] [2024-11-19 10:00:39,281 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:39,281 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:39,319 INFO L134 CoverageAnalysis]: Checked inductivity of 388 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-19 10:00:39,320 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:39,320 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [80616596] [2024-11-19 10:00:39,320 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [80616596] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:39,321 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:39,321 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:00:39,321 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [5503128] [2024-11-19 10:00:39,321 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:39,321 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:00:39,321 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:39,322 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:00:39,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:00:39,322 INFO L87 Difference]: Start difference. First operand 96 states and 103 transitions. Second operand has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:39,332 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:39,332 INFO L93 Difference]: Finished difference Result 96 states and 103 transitions. [2024-11-19 10:00:39,332 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:00:39,332 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 117 [2024-11-19 10:00:39,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:39,333 INFO L225 Difference]: With dead ends: 96 [2024-11-19 10:00:39,333 INFO L226 Difference]: Without dead ends: 95 [2024-11-19 10:00:39,334 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:00:39,334 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 1 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 9 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 10 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 9 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:39,334 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 61 Invalid, 10 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 9 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:39,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 95 states. [2024-11-19 10:00:39,339 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 95 to 95. [2024-11-19 10:00:39,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 89 states have (on average 1.101123595505618) internal successors, (98), 91 states have internal predecessors, (98), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:39,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 102 transitions. [2024-11-19 10:00:39,344 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 102 transitions. Word has length 117 [2024-11-19 10:00:39,344 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:39,344 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 102 transitions. [2024-11-19 10:00:39,344 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 15.0) internal successors, (30), 3 states have internal predecessors, (30), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:39,344 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 102 transitions. [2024-11-19 10:00:39,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2024-11-19 10:00:39,344 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:39,344 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:39,344 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable31 [2024-11-19 10:00:39,345 INFO L396 AbstractCegarLoop]: === Iteration 33 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:39,345 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:39,345 INFO L85 PathProgramCache]: Analyzing trace with hash 1766859592, now seen corresponding path program 1 times [2024-11-19 10:00:39,345 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:39,345 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2126521974] [2024-11-19 10:00:39,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:39,345 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:39,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:39,399 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 387 trivial. 0 not checked. [2024-11-19 10:00:39,400 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:39,400 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2126521974] [2024-11-19 10:00:39,400 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2126521974] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:39,400 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:39,400 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:39,400 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1280099604] [2024-11-19 10:00:39,401 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:39,401 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:39,401 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:39,401 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:39,401 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:39,402 INFO L87 Difference]: Start difference. First operand 95 states and 102 transitions. Second operand has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:39,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:39,417 INFO L93 Difference]: Finished difference Result 95 states and 102 transitions. [2024-11-19 10:00:39,417 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:39,418 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 119 [2024-11-19 10:00:39,418 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:39,418 INFO L225 Difference]: With dead ends: 95 [2024-11-19 10:00:39,418 INFO L226 Difference]: Without dead ends: 93 [2024-11-19 10:00:39,418 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:39,419 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 2 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 3 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:39,419 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2 Valid, 81 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [3 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:39,419 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 93 states. [2024-11-19 10:00:39,423 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 93 to 91. [2024-11-19 10:00:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 91 states, 87 states have (on average 1.0804597701149425) internal successors, (94), 87 states have internal predecessors, (94), 2 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 2 states have call predecessors, (2), 2 states have call successors, (2) [2024-11-19 10:00:39,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 91 states and 98 transitions. [2024-11-19 10:00:39,424 INFO L78 Accepts]: Start accepts. Automaton has 91 states and 98 transitions. Word has length 119 [2024-11-19 10:00:39,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:39,424 INFO L471 AbstractCegarLoop]: Abstraction has 91 states and 98 transitions. [2024-11-19 10:00:39,424 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 10.333333333333334) internal successors, (31), 4 states have internal predecessors, (31), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 98 transitions. [2024-11-19 10:00:39,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2024-11-19 10:00:39,425 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:00:39,425 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 5, 5, 5, 5, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:39,425 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable32 [2024-11-19 10:00:39,425 INFO L396 AbstractCegarLoop]: === Iteration 34 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 9 more)] === [2024-11-19 10:00:39,426 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:00:39,426 INFO L85 PathProgramCache]: Analyzing trace with hash -1061927424, now seen corresponding path program 1 times [2024-11-19 10:00:39,426 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:00:39,426 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [828048671] [2024-11-19 10:00:39,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:00:39,426 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:00:39,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:00:39,477 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 386 trivial. 0 not checked. [2024-11-19 10:00:39,477 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:00:39,477 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [828048671] [2024-11-19 10:00:39,477 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [828048671] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:00:39,477 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:00:39,477 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-19 10:00:39,477 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [976863450] [2024-11-19 10:00:39,477 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:00:39,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:00:39,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:00:39,478 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:00:39,478 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:39,478 INFO L87 Difference]: Start difference. First operand 91 states and 98 transitions. Second operand has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:39,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:00:39,491 INFO L93 Difference]: Finished difference Result 91 states and 98 transitions. [2024-11-19 10:00:39,491 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:00:39,491 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) Word has length 120 [2024-11-19 10:00:39,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:00:39,491 INFO L225 Difference]: With dead ends: 91 [2024-11-19 10:00:39,492 INFO L226 Difference]: Without dead ends: 0 [2024-11-19 10:00:39,492 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:00:39,492 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 0 mSDsluCounter, 53 mSDsCounter, 0 mSdLazyCounter, 15 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 16 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 15 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:00:39,492 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 81 Invalid, 16 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 15 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:00:39,492 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-11-19 10:00:39,492 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-11-19 10:00:39,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:00:39,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-11-19 10:00:39,493 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 120 [2024-11-19 10:00:39,493 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:00:39,493 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-11-19 10:00:39,493 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 11.0) internal successors, (33), 4 states have internal predecessors, (33), 1 states have call successors, (2), 1 states have call predecessors, (2), 1 states have return successors, (2), 1 states have call predecessors, (2), 1 states have call successors, (2) [2024-11-19 10:00:39,493 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-11-19 10:00:39,493 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 12 remaining) [2024-11-19 10:00:39,495 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 12 remaining) [2024-11-19 10:00:39,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 12 remaining) [2024-11-19 10:00:39,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 12 remaining) [2024-11-19 10:00:39,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 12 remaining) [2024-11-19 10:00:39,496 INFO L782 garLoopResultBuilder]: Registering result SAFE for location sepErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 12 remaining) [2024-11-19 10:00:39,496 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable33 [2024-11-19 10:00:39,498 INFO L407 BasicCegarLoop]: Path program histogram: [5, 4, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:00:39,499 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-11-19 10:00:40,969 INFO L170 ceAbstractionStarter]: Computing trace abstraction results [2024-11-19 10:00:40,986 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 19.11 10:00:40 BoogieIcfgContainer [2024-11-19 10:00:40,986 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-11-19 10:00:40,986 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-11-19 10:00:40,986 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-11-19 10:00:40,986 INFO L274 PluginConnector]: Witness Printer initialized [2024-11-19 10:00:40,987 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:00:26" (3/4) ... [2024-11-19 10:00:40,989 INFO L142 WitnessPrinter]: Generating witness for correct program [2024-11-19 10:00:40,992 INFO L361 RCFGBacktranslator]: Ignoring RootEdge to procedure sep [2024-11-19 10:00:40,994 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 15 nodes and edges [2024-11-19 10:00:40,995 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2024-11-19 10:00:40,995 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-11-19 10:00:40,995 INFO L925 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-11-19 10:00:41,062 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-11-19 10:00:41,062 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-11-19 10:00:41,062 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-11-19 10:00:41,063 INFO L158 Benchmark]: Toolchain (without parser) took 14721.35ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 105.7MB in the beginning and 228.1MB in the end (delta: -122.4MB). Peak memory consumption was 7.2MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: CDTParser took 0.66ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: CACSL2BoogieTranslator took 212.71ms. Allocated memory is still 172.0MB. Free memory was 105.5MB in the beginning and 92.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: Boogie Procedure Inliner took 26.62ms. Allocated memory is still 172.0MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: Boogie Preprocessor took 44.97ms. Allocated memory is still 172.0MB. Free memory was 91.2MB in the beginning and 145.5MB in the end (delta: -54.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: RCFGBuilder took 291.30ms. Allocated memory is still 172.0MB. Free memory was 145.5MB in the beginning and 131.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: TraceAbstraction took 14064.75ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 130.3MB in the beginning and 233.4MB in the end (delta: -103.0MB). Peak memory consumption was 171.2MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,063 INFO L158 Benchmark]: Witness Printer took 76.03ms. Allocated memory is still 299.9MB. Free memory was 233.4MB in the beginning and 228.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. [2024-11-19 10:00:41,064 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.66ms. Allocated memory is still 109.1MB. Free memory was 76.9MB in the beginning and 76.8MB in the end (delta: 118.9kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 212.71ms. Allocated memory is still 172.0MB. Free memory was 105.5MB in the beginning and 92.8MB in the end (delta: 12.7MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 26.62ms. Allocated memory is still 172.0MB. Free memory was 92.8MB in the beginning and 91.2MB in the end (delta: 1.6MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 44.97ms. Allocated memory is still 172.0MB. Free memory was 91.2MB in the beginning and 145.5MB in the end (delta: -54.3MB). Peak memory consumption was 8.2MB. Max. memory is 16.1GB. * RCFGBuilder took 291.30ms. Allocated memory is still 172.0MB. Free memory was 145.5MB in the beginning and 131.0MB in the end (delta: 14.5MB). Peak memory consumption was 14.7MB. Max. memory is 16.1GB. * TraceAbstraction took 14064.75ms. Allocated memory was 172.0MB in the beginning and 299.9MB in the end (delta: 127.9MB). Free memory was 130.3MB in the beginning and 233.4MB in the end (delta: -103.0MB). Peak memory consumption was 171.2MB. Max. memory is 16.1GB. * Witness Printer took 76.03ms. Allocated memory is still 299.9MB. Free memory was 233.4MB in the beginning and 228.1MB in the end (delta: 5.2MB). Peak memory consumption was 6.3MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 37]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 47]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 46]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 21]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 23]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 18]: 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, 52 locations, 12 error locations. Started 1 CEGAR loops. OverallTime: 12.5s, OverallIterations: 34, TraceHistogramMax: 10, PathProgramHistogramMax: 5, EmptinessCheckTime: 0.0s, AutomataDifference: 1.4s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 296 SdHoareTripleChecker+Valid, 0.9s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 296 mSDsluCounter, 5969 SdHoareTripleChecker+Invalid, 0.7s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 4628 mSDsCounter, 43 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1527 IncrementalHoareTripleChecker+Invalid, 1570 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 43 mSolverCounterUnsat, 1341 mSDtfsCounter, 1527 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1883 GetRequests, 1587 SyntacticMatches, 10 SemanticMatches, 286 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1027 ImplicationChecksByTransitivity, 1.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=517occurred in iteration=29, InterpolantAutomatonStates: 312, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 34 MinimizatonAttempts, 1285 StatesRemovedByMinimization, 22 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 4.2s InterpolantComputationTime, 2775 NumberOfCodeBlocks, 2646 NumberOfCodeBlocksAsserted, 96 NumberOfCheckSat, 3388 ConstructedInterpolants, 0 QuantifiedInterpolants, 6670 SizeOfPredicates, 0 NumberOfNonLiveVariables, 3529 ConjunctsInSsa, 155 ConjunctsInUnsatCore, 69 InterpolantComputations, 21 PerfectInterpolantSequences, 4599/6106 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 12 specifications checked. All of them hold - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((i == 0) || (0 < i)) - InvariantResult [Line: 46]: Loop Invariant Derived loop invariant: (0 < (2147483650 + i)) - InvariantResult [Line: 18]: Loop Invariant Derived loop invariant: ((((((((((((((0 <= ((__int128) ret + 1)) && (ret <= 9223372036854775804)) && (5 <= i)) || (((i == 4) && (0 <= ((__int128) ret + 9223372036854775804))) && (ret <= 2))) || ((((__int128) ret + 1) == 0) && (i == 1))) || (((1 <= ret) && (ret <= 2)) && (2 == i))) || (((0 <= ((__int128) ret + 9223372036854775805)) && (ret <= 1)) && (5 <= i))) || (((((__int128) ret + 1) <= 0) && (0 <= ((__int128) 2 + ret))) && (2 == i))) || (((ret <= 1) && (3 == i)) && ((0 < ((__int128) 3 + ret)) || (((__int128) 3 + ret) == 0)))) || (((3 == i) && (ret <= 3)) && (0 < ((__int128) ret + 1)))) || (((ret <= 9223372036854775803) && (i == 4)) && (0 <= ((__int128) 2 + ret)))) || ((ret == 1) && (i == 1))) || ((ret == 0) && (2 == i))) || ((ret == 0) && (i == 0))) RESULT: Ultimate proved your program to be correct! [2024-11-19 10:00:41,085 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