./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version fca748b1 Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 --- Real Ultimate output --- This is Ultimate 0.2.5-wip.dd.update-z3-fca748b-m [2024-11-20 17:57:48,545 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-20 17:57:48,606 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-20 17:57:48,612 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-20 17:57:48,612 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-20 17:57:48,637 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-20 17:57:48,638 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-20 17:57:48,638 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-20 17:57:48,639 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-20 17:57:48,640 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-20 17:57:48,640 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-20 17:57:48,641 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-20 17:57:48,641 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-20 17:57:48,642 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-20 17:57:48,643 INFO L153 SettingsManager]: * Use SBE=true [2024-11-20 17:57:48,644 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-20 17:57:48,644 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-20 17:57:48,644 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-20 17:57:48,644 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-20 17:57:48,645 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-20 17:57:48,645 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-20 17:57:48,645 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-20 17:57:48,648 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-20 17:57:48,649 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-20 17:57:48,649 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-20 17:57:48,649 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-20 17:57:48,649 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-20 17:57:48,649 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-20 17:57:48,650 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-20 17:57:48,650 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-20 17:57:48,650 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-20 17:57:48,650 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-20 17:57:48,650 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-20 17:57:48,650 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-20 17:57:48,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:48,651 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-20 17:57:48,651 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-20 17:57:48,651 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-20 17:57:48,651 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-20 17:57:48,651 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-20 17:57:48,652 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-20 17:57:48,652 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-20 17:57:48,652 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-20 17:57:48,652 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-20 17:57:48,653 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> bf03248da0b4b82491822f692d5527664b721dbcd28594bdb518a5eab7d5a1f3 [2024-11-20 17:57:48,847 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-20 17:57:48,869 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-20 17:57:48,871 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-20 17:57:48,872 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-20 17:57:48,872 INFO L274 PluginConnector]: CDTParser initialized [2024-11-20 17:57:48,873 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-11-20 17:57:50,279 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-20 17:57:50,415 INFO L384 CDTParser]: Found 1 translation units. [2024-11-20 17:57:50,416 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/rev-2-n-u.c [2024-11-20 17:57:50,421 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f795a6fd0/d1e76571c31a413a90f97ea3829af6fb/FLAG26ca4eb2c [2024-11-20 17:57:50,434 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/f795a6fd0/d1e76571c31a413a90f97ea3829af6fb [2024-11-20 17:57:50,436 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-20 17:57:50,437 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-20 17:57:50,438 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:50,438 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-20 17:57:50,443 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-20 17:57:50,443 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,444 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7244ed8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50, skipping insertion in model container [2024-11-20 17:57:50,444 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,459 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-20 17:57:50,637 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:50,650 INFO L200 MainTranslator]: Completed pre-run [2024-11-20 17:57:50,675 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-20 17:57:50,690 INFO L204 MainTranslator]: Completed translation [2024-11-20 17:57:50,690 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50 WrapperNode [2024-11-20 17:57:50,693 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-20 17:57:50,694 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:50,694 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-20 17:57:50,694 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-20 17:57:50,700 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,708 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,724 INFO L138 Inliner]: procedures = 14, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 112 [2024-11-20 17:57:50,736 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-20 17:57:50,736 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-20 17:57:50,736 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-20 17:57:50,736 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-20 17:57:50,749 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,749 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,751 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,766 INFO L175 MemorySlicer]: Split 7 memory accesses to 3 slices as follows [2, 2, 3]. 43 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0, 0]. The 2 writes are split as follows [0, 1, 1]. [2024-11-20 17:57:50,766 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,766 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,770 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,772 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,773 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,774 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,784 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-20 17:57:50,785 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-20 17:57:50,785 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-20 17:57:50,786 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-20 17:57:50,786 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (1/1) ... [2024-11-20 17:57:50,790 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-20 17:57:50,798 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:50,810 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) [2024-11-20 17:57:50,812 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 [2024-11-20 17:57:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-20 17:57:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-20 17:57:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-20 17:57:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#2 [2024-11-20 17:57:50,845 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#2 [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-20 17:57:50,846 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#2 [2024-11-20 17:57:50,846 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-20 17:57:50,897 INFO L238 CfgBuilder]: Building ICFG [2024-11-20 17:57:50,898 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-20 17:57:51,078 INFO L? ?]: Removed 62 outVars from TransFormulas that were not future-live. [2024-11-20 17:57:51,078 INFO L287 CfgBuilder]: Performing block encoding [2024-11-20 17:57:51,091 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-20 17:57:51,091 INFO L316 CfgBuilder]: Removed 6 assume(true) statements. [2024-11-20 17:57:51,091 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:51 BoogieIcfgContainer [2024-11-20 17:57:51,091 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-20 17:57:51,095 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-20 17:57:51,095 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-20 17:57:51,098 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-20 17:57:51,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:57:50" (1/3) ... [2024-11-20 17:57:51,100 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233d11a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:51, skipping insertion in model container [2024-11-20 17:57:51,100 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:57:50" (2/3) ... [2024-11-20 17:57:51,101 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@233d11a7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:57:51, skipping insertion in model container [2024-11-20 17:57:51,102 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:57:51" (3/3) ... [2024-11-20 17:57:51,103 INFO L112 eAbstractionObserver]: Analyzing ICFG rev-2-n-u.c [2024-11-20 17:57:51,116 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-20 17:57:51,116 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 28 error locations. [2024-11-20 17:57:51,166 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-20 17:57:51,172 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;@60e38062, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-20 17:57:51,173 INFO L334 AbstractCegarLoop]: Starting to check reachability of 28 error locations. [2024-11-20 17:57:51,176 INFO L276 IsEmpty]: Start isEmpty. Operand has 74 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 73 states have internal predecessors, (86), 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) [2024-11-20 17:57:51,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-20 17:57:51,180 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:51,180 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-20 17:57:51,181 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:51,184 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:51,184 INFO L85 PathProgramCache]: Analyzing trace with hash 28699890, now seen corresponding path program 1 times [2024-11-20 17:57:51,191 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:51,191 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [449867432] [2024-11-20 17:57:51,191 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:51,192 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:51,387 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:51,388 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:51,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [449867432] [2024-11-20 17:57:51,389 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [449867432] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:51,389 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:51,389 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-20 17:57:51,390 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [868430632] [2024-11-20 17:57:51,390 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:51,393 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:51,394 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:51,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:51,413 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:51,415 INFO L87 Difference]: Start difference. First operand has 74 states, 45 states have (on average 1.9111111111111112) internal successors, (86), 73 states have internal predecessors, (86), 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) Second operand has 4 states, 4 states have (on average 1.25) 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) [2024-11-20 17:57:51,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:51,624 INFO L93 Difference]: Finished difference Result 181 states and 226 transitions. [2024-11-20 17:57:51,626 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:51,627 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.25) 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 [2024-11-20 17:57:51,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:51,634 INFO L225 Difference]: With dead ends: 181 [2024-11-20 17:57:51,634 INFO L226 Difference]: Without dead ends: 103 [2024-11-20 17:57:51,637 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:51,641 INFO L432 NwaCegarLoop]: 50 mSDtfsCounter, 99 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 73 mSolverCounterSat, 14 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 99 SdHoareTripleChecker+Valid, 91 SdHoareTripleChecker+Invalid, 87 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 14 IncrementalHoareTripleChecker+Valid, 73 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:51,641 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [99 Valid, 91 Invalid, 87 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [14 Valid, 73 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-20 17:57:51,656 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2024-11-20 17:57:51,672 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 95. [2024-11-20 17:57:51,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 95 states, 67 states have (on average 1.671641791044776) internal successors, (112), 94 states have internal predecessors, (112), 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) [2024-11-20 17:57:51,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 95 states and 112 transitions. [2024-11-20 17:57:51,675 INFO L78 Accepts]: Start accepts. Automaton has 95 states and 112 transitions. Word has length 5 [2024-11-20 17:57:51,675 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:51,675 INFO L471 AbstractCegarLoop]: Abstraction has 95 states and 112 transitions. [2024-11-20 17:57:51,675 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.25) 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) [2024-11-20 17:57:51,675 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 112 transitions. [2024-11-20 17:57:51,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-20 17:57:51,676 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:51,676 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:51,676 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-20 17:57:51,676 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:51,677 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:51,677 INFO L85 PathProgramCache]: Analyzing trace with hash 1809466992, now seen corresponding path program 1 times [2024-11-20 17:57:51,677 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:51,677 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [797411941] [2024-11-20 17:57:51,677 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:51,677 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:51,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:51,738 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:51,738 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:51,738 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [797411941] [2024-11-20 17:57:51,738 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [797411941] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:51,738 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:51,738 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:51,739 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [297804051] [2024-11-20 17:57:51,739 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:51,740 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:51,740 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:51,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:51,740 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:51,741 INFO L87 Difference]: Start difference. First operand 95 states and 112 transitions. Second operand has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-20 17:57:51,803 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:51,803 INFO L93 Difference]: Finished difference Result 188 states and 222 transitions. [2024-11-20 17:57:51,803 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:51,803 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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 7 [2024-11-20 17:57:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:51,804 INFO L225 Difference]: With dead ends: 188 [2024-11-20 17:57:51,804 INFO L226 Difference]: Without dead ends: 106 [2024-11-20 17:57:51,805 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:51,806 INFO L432 NwaCegarLoop]: 69 mSDtfsCounter, 8 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 2 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 8 SdHoareTripleChecker+Valid, 102 SdHoareTripleChecker+Invalid, 45 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 2 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:51,806 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [8 Valid, 102 Invalid, 45 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [2 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:51,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2024-11-20 17:57:51,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 104. [2024-11-20 17:57:51,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 104 states, 76 states have (on average 1.631578947368421) internal successors, (124), 103 states have internal predecessors, (124), 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) [2024-11-20 17:57:51,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 124 transitions. [2024-11-20 17:57:51,814 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 124 transitions. Word has length 7 [2024-11-20 17:57:51,814 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:51,814 INFO L471 AbstractCegarLoop]: Abstraction has 104 states and 124 transitions. [2024-11-20 17:57:51,814 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 2.3333333333333335) internal successors, (7), 3 states have internal predecessors, (7), 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) [2024-11-20 17:57:51,814 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 124 transitions. [2024-11-20 17:57:51,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2024-11-20 17:57:51,815 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:51,815 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:51,815 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-20 17:57:51,815 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:51,816 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:51,816 INFO L85 PathProgramCache]: Analyzing trace with hash 301623087, now seen corresponding path program 1 times [2024-11-20 17:57:51,816 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:51,816 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1349163131] [2024-11-20 17:57:51,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:51,816 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:51,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:51,874 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:51,874 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:51,874 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1349163131] [2024-11-20 17:57:51,874 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1349163131] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:51,875 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [147435020] [2024-11-20 17:57:51,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:51,875 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:51,875 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:51,877 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) [2024-11-20 17:57:51,880 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-20 17:57:51,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:51,924 INFO L255 TraceCheckSpWp]: Trace formula consists of 75 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:51,927 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:51,955 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:51,956 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-20 17:57:51,956 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [147435020] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:51,956 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-20 17:57:51,956 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-20 17:57:51,956 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [19639682] [2024-11-20 17:57:51,957 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:51,957 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:51,957 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:51,957 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:51,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:51,958 INFO L87 Difference]: Start difference. First operand 104 states and 124 transitions. Second operand has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-20 17:57:52,035 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,036 INFO L93 Difference]: Finished difference Result 112 states and 124 transitions. [2024-11-20 17:57:52,036 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:52,036 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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 8 [2024-11-20 17:57:52,036 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,037 INFO L225 Difference]: With dead ends: 112 [2024-11-20 17:57:52,037 INFO L226 Difference]: Without dead ends: 109 [2024-11-20 17:57:52,037 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-20 17:57:52,038 INFO L432 NwaCegarLoop]: 57 mSDtfsCounter, 61 mSDsluCounter, 36 mSDsCounter, 0 mSdLazyCounter, 87 mSolverCounterSat, 8 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 93 SdHoareTripleChecker+Invalid, 95 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 8 IncrementalHoareTripleChecker+Valid, 87 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,039 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 93 Invalid, 95 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [8 Valid, 87 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:52,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2024-11-20 17:57:52,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 101. [2024-11-20 17:57:52,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 101 states, 76 states have (on average 1.5789473684210527) internal successors, (120), 100 states have internal predecessors, (120), 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) [2024-11-20 17:57:52,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 101 states to 101 states and 120 transitions. [2024-11-20 17:57:52,045 INFO L78 Accepts]: Start accepts. Automaton has 101 states and 120 transitions. Word has length 8 [2024-11-20 17:57:52,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,045 INFO L471 AbstractCegarLoop]: Abstraction has 101 states and 120 transitions. [2024-11-20 17:57:52,045 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.6666666666666665) internal successors, (8), 4 states have internal predecessors, (8), 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) [2024-11-20 17:57:52,046 INFO L276 IsEmpty]: Start isEmpty. Operand 101 states and 120 transitions. [2024-11-20 17:57:52,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-20 17:57:52,046 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,046 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,053 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-20 17:57:52,247 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:52,247 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:52,248 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,248 INFO L85 PathProgramCache]: Analyzing trace with hash 760381159, now seen corresponding path program 1 times [2024-11-20 17:57:52,248 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,248 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [356614771] [2024-11-20 17:57:52,248 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,249 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,313 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:52,313 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,313 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [356614771] [2024-11-20 17:57:52,313 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [356614771] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:52,314 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [380717253] [2024-11-20 17:57:52,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:52,314 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:52,316 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) [2024-11-20 17:57:52,323 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-20 17:57:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,362 INFO L255 TraceCheckSpWp]: Trace formula consists of 76 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:52,363 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:52,376 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:52,377 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:52,414 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-20 17:57:52,414 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [380717253] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:52,414 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:52,414 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-20 17:57:52,414 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2019954292] [2024-11-20 17:57:52,415 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,415 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-20 17:57:52,415 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,415 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-20 17:57:52,415 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:52,416 INFO L87 Difference]: Start difference. First operand 101 states and 120 transitions. Second operand has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2024-11-20 17:57:52,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,569 INFO L93 Difference]: Finished difference Result 226 states and 282 transitions. [2024-11-20 17:57:52,569 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-20 17:57:52,569 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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 [2024-11-20 17:57:52,570 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,572 INFO L225 Difference]: With dead ends: 226 [2024-11-20 17:57:52,572 INFO L226 Difference]: Without dead ends: 223 [2024-11-20 17:57:52,575 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 19 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-20 17:57:52,576 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 270 mSDsluCounter, 90 mSDsCounter, 0 mSdLazyCounter, 110 mSolverCounterSat, 25 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 132 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 25 IncrementalHoareTripleChecker+Valid, 110 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,576 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 132 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [25 Valid, 110 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:52,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 223 states. [2024-11-20 17:57:52,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 223 to 191. [2024-11-20 17:57:52,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 191 states, 166 states have (on average 1.6265060240963856) internal successors, (270), 190 states have internal predecessors, (270), 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) [2024-11-20 17:57:52,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 191 states and 270 transitions. [2024-11-20 17:57:52,600 INFO L78 Accepts]: Start accepts. Automaton has 191 states and 270 transitions. Word has length 9 [2024-11-20 17:57:52,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,605 INFO L471 AbstractCegarLoop]: Abstraction has 191 states and 270 transitions. [2024-11-20 17:57:52,605 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.3333333333333335) internal successors, (20), 7 states have internal predecessors, (20), 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) [2024-11-20 17:57:52,605 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 270 transitions. [2024-11-20 17:57:52,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2024-11-20 17:57:52,606 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,606 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,613 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:52,806 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 [2024-11-20 17:57:52,807 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:52,808 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,808 INFO L85 PathProgramCache]: Analyzing trace with hash -1820644403, now seen corresponding path program 1 times [2024-11-20 17:57:52,808 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,808 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1411672636] [2024-11-20 17:57:52,808 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,809 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,866 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:52,866 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,866 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1411672636] [2024-11-20 17:57:52,866 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1411672636] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:52,866 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:52,867 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-20 17:57:52,867 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1824743476] [2024-11-20 17:57:52,867 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,867 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-20 17:57:52,867 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,867 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-20 17:57:52,868 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-20 17:57:52,868 INFO L87 Difference]: Start difference. First operand 191 states and 270 transitions. Second operand has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-20 17:57:52,924 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:52,924 INFO L93 Difference]: Finished difference Result 191 states and 270 transitions. [2024-11-20 17:57:52,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-20 17:57:52,925 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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 14 [2024-11-20 17:57:52,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:52,926 INFO L225 Difference]: With dead ends: 191 [2024-11-20 17:57:52,926 INFO L226 Difference]: Without dead ends: 187 [2024-11-20 17:57:52,926 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 [2024-11-20 17:57:52,927 INFO L432 NwaCegarLoop]: 37 mSDtfsCounter, 44 mSDsluCounter, 1 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 44 SdHoareTripleChecker+Valid, 38 SdHoareTripleChecker+Invalid, 52 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:52,927 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [44 Valid, 38 Invalid, 52 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:52,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2024-11-20 17:57:52,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 187. [2024-11-20 17:57:52,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 187 states, 166 states have (on average 1.5060240963855422) internal successors, (250), 186 states have internal predecessors, (250), 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) [2024-11-20 17:57:52,936 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 250 transitions. [2024-11-20 17:57:52,936 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 250 transitions. Word has length 14 [2024-11-20 17:57:52,937 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:52,937 INFO L471 AbstractCegarLoop]: Abstraction has 187 states and 250 transitions. [2024-11-20 17:57:52,937 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 7.0) internal successors, (14), 3 states have internal predecessors, (14), 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) [2024-11-20 17:57:52,937 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 250 transitions. [2024-11-20 17:57:52,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 17:57:52,937 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:52,937 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:52,937 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-11-20 17:57:52,938 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:52,938 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:52,938 INFO L85 PathProgramCache]: Analyzing trace with hash -605401558, now seen corresponding path program 1 times [2024-11-20 17:57:52,938 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:52,938 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2021833820] [2024-11-20 17:57:52,938 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:52,938 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:52,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:52,995 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:52,996 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:52,996 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2021833820] [2024-11-20 17:57:52,996 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2021833820] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:52,996 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:52,996 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:52,996 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [245796295] [2024-11-20 17:57:52,996 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:52,996 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:52,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:52,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:52,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:52,997 INFO L87 Difference]: Start difference. First operand 187 states and 250 transitions. Second operand has 4 states, 3 states have (on average 5.0) internal successors, (15), 4 states have internal predecessors, (15), 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) [2024-11-20 17:57:53,068 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,069 INFO L93 Difference]: Finished difference Result 332 states and 447 transitions. [2024-11-20 17:57:53,069 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:53,069 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), 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 15 [2024-11-20 17:57:53,069 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,070 INFO L225 Difference]: With dead ends: 332 [2024-11-20 17:57:53,070 INFO L226 Difference]: Without dead ends: 324 [2024-11-20 17:57:53,070 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:53,071 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 136 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 60 mSolverCounterSat, 9 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 136 SdHoareTripleChecker+Valid, 69 SdHoareTripleChecker+Invalid, 69 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 9 IncrementalHoareTripleChecker+Valid, 60 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [136 Valid, 69 Invalid, 69 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [9 Valid, 60 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-20 17:57:53,072 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 324 states. [2024-11-20 17:57:53,082 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 324 to 313. [2024-11-20 17:57:53,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 313 states, 292 states have (on average 1.4486301369863013) internal successors, (423), 312 states have internal predecessors, (423), 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) [2024-11-20 17:57:53,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 313 states and 423 transitions. [2024-11-20 17:57:53,084 INFO L78 Accepts]: Start accepts. Automaton has 313 states and 423 transitions. Word has length 15 [2024-11-20 17:57:53,084 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,084 INFO L471 AbstractCegarLoop]: Abstraction has 313 states and 423 transitions. [2024-11-20 17:57:53,084 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), 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) [2024-11-20 17:57:53,084 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 423 transitions. [2024-11-20 17:57:53,085 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2024-11-20 17:57:53,085 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,085 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-20 17:57:53,085 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-20 17:57:53,085 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:53,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,085 INFO L85 PathProgramCache]: Analyzing trace with hash -562680517, now seen corresponding path program 1 times [2024-11-20 17:57:53,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,086 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [173719583] [2024-11-20 17:57:53,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,125 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,125 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [173719583] [2024-11-20 17:57:53,125 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [173719583] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:53,125 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [152096429] [2024-11-20 17:57:53,125 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,125 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,125 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:53,127 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) [2024-11-20 17:57:53,128 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-20 17:57:53,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,167 INFO L255 TraceCheckSpWp]: Trace formula consists of 88 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:57:53,167 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:53,200 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,200 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:53,226 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-20 17:57:53,226 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [152096429] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:53,226 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:53,226 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-20 17:57:53,226 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175384742] [2024-11-20 17:57:53,226 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:53,227 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-20 17:57:53,227 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:53,227 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-20 17:57:53,227 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-20 17:57:53,227 INFO L87 Difference]: Start difference. First operand 313 states and 423 transitions. Second operand has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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) [2024-11-20 17:57:53,710 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:53,710 INFO L93 Difference]: Finished difference Result 620 states and 823 transitions. [2024-11-20 17:57:53,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2024-11-20 17:57:53,710 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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 15 [2024-11-20 17:57:53,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:53,712 INFO L225 Difference]: With dead ends: 620 [2024-11-20 17:57:53,712 INFO L226 Difference]: Without dead ends: 325 [2024-11-20 17:57:53,713 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 23 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 77 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=148, Invalid=314, Unknown=0, NotChecked=0, Total=462 [2024-11-20 17:57:53,713 INFO L432 NwaCegarLoop]: 8 mSDtfsCounter, 1223 mSDsluCounter, 22 mSDsCounter, 0 mSdLazyCounter, 424 mSolverCounterSat, 89 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1223 SdHoareTripleChecker+Valid, 30 SdHoareTripleChecker+Invalid, 513 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 89 IncrementalHoareTripleChecker+Valid, 424 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:53,713 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1223 Valid, 30 Invalid, 513 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [89 Valid, 424 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-20 17:57:53,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 325 states. [2024-11-20 17:57:53,722 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 325 to 306. [2024-11-20 17:57:53,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 306 states, 292 states have (on average 1.2671232876712328) internal successors, (370), 305 states have internal predecessors, (370), 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) [2024-11-20 17:57:53,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 370 transitions. [2024-11-20 17:57:53,723 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 370 transitions. Word has length 15 [2024-11-20 17:57:53,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:53,723 INFO L471 AbstractCegarLoop]: Abstraction has 306 states and 370 transitions. [2024-11-20 17:57:53,723 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 3.5) internal successors, (35), 10 states have internal predecessors, (35), 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) [2024-11-20 17:57:53,723 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 370 transitions. [2024-11-20 17:57:53,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2024-11-20 17:57:53,724 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:53,724 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1] [2024-11-20 17:57:53,730 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:53,927 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,928 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:53,928 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:53,928 INFO L85 PathProgramCache]: Analyzing trace with hash -757857363, now seen corresponding path program 2 times [2024-11-20 17:57:53,928 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:53,928 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2030334984] [2024-11-20 17:57:53,928 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:53,929 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:53,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:53,967 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:53,967 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:53,967 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2030334984] [2024-11-20 17:57:53,967 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2030334984] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:53,968 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [633752425] [2024-11-20 17:57:53,968 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:53,968 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:53,968 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:53,970 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) [2024-11-20 17:57:53,971 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-20 17:57:54,008 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:57:54,008 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:54,008 INFO L255 TraceCheckSpWp]: Trace formula consists of 65 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:57:54,009 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:54,027 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:54,027 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:54,052 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-20 17:57:54,052 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [633752425] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:54,052 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:54,052 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:57:54,053 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [232474730] [2024-11-20 17:57:54,053 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,053 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:57:54,053 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,053 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:57:54,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:57:54,054 INFO L87 Difference]: Start difference. First operand 306 states and 370 transitions. Second operand has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-20 17:57:54,102 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:54,102 INFO L93 Difference]: Finished difference Result 306 states and 370 transitions. [2024-11-20 17:57:54,102 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:57:54,103 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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 18 [2024-11-20 17:57:54,103 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:54,104 INFO L225 Difference]: With dead ends: 306 [2024-11-20 17:57:54,104 INFO L226 Difference]: Without dead ends: 303 [2024-11-20 17:57:54,104 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 39 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:57:54,104 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 74 mSDsluCounter, 32 mSDsCounter, 0 mSdLazyCounter, 49 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 74 SdHoareTripleChecker+Valid, 64 SdHoareTripleChecker+Invalid, 59 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 49 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:54,105 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [74 Valid, 64 Invalid, 59 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 49 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:54,105 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 303 states. [2024-11-20 17:57:54,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 303 to 255. [2024-11-20 17:57:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 244 states have (on average 1.2459016393442623) internal successors, (304), 254 states have internal predecessors, (304), 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) [2024-11-20 17:57:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 304 transitions. [2024-11-20 17:57:54,113 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 304 transitions. Word has length 18 [2024-11-20 17:57:54,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:54,113 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 304 transitions. [2024-11-20 17:57:54,113 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 3.4) internal successors, (17), 6 states have internal predecessors, (17), 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) [2024-11-20 17:57:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 304 transitions. [2024-11-20 17:57:54,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2024-11-20 17:57:54,114 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:54,114 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:54,123 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-20 17:57:54,314 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,314 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:54,315 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:54,315 INFO L85 PathProgramCache]: Analyzing trace with hash -1310997324, now seen corresponding path program 1 times [2024-11-20 17:57:54,315 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:54,315 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1155890345] [2024-11-20 17:57:54,315 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,315 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,359 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2024-11-20 17:57:54,359 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:54,359 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1155890345] [2024-11-20 17:57:54,359 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1155890345] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-20 17:57:54,359 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-20 17:57:54,359 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-11-20 17:57:54,359 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1890255833] [2024-11-20 17:57:54,360 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,360 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-20 17:57:54,360 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,360 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-20 17:57:54,360 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:54,360 INFO L87 Difference]: Start difference. First operand 255 states and 304 transitions. Second operand has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-20 17:57:54,405 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:54,405 INFO L93 Difference]: Finished difference Result 263 states and 304 transitions. [2024-11-20 17:57:54,405 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-20 17:57:54,405 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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 28 [2024-11-20 17:57:54,406 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:54,406 INFO L225 Difference]: With dead ends: 263 [2024-11-20 17:57:54,406 INFO L226 Difference]: Without dead ends: 259 [2024-11-20 17:57:54,407 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-20 17:57:54,407 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 63 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 53 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 63 SdHoareTripleChecker+Valid, 61 SdHoareTripleChecker+Invalid, 58 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 53 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:54,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [63 Valid, 61 Invalid, 58 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [5 Valid, 53 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:57:54,408 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 259 states. [2024-11-20 17:57:54,413 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 259 to 255. [2024-11-20 17:57:54,413 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 255 states, 244 states have (on average 1.2131147540983607) internal successors, (296), 254 states have internal predecessors, (296), 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) [2024-11-20 17:57:54,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 255 states to 255 states and 296 transitions. [2024-11-20 17:57:54,414 INFO L78 Accepts]: Start accepts. Automaton has 255 states and 296 transitions. Word has length 28 [2024-11-20 17:57:54,414 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:54,414 INFO L471 AbstractCegarLoop]: Abstraction has 255 states and 296 transitions. [2024-11-20 17:57:54,414 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 6.333333333333333) internal successors, (19), 4 states have internal predecessors, (19), 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) [2024-11-20 17:57:54,414 INFO L276 IsEmpty]: Start isEmpty. Operand 255 states and 296 transitions. [2024-11-20 17:57:54,415 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2024-11-20 17:57:54,415 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:54,415 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1] [2024-11-20 17:57:54,415 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-11-20 17:57:54,415 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:54,415 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:54,415 INFO L85 PathProgramCache]: Analyzing trace with hash -653900716, now seen corresponding path program 1 times [2024-11-20 17:57:54,415 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:54,415 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1274164316] [2024-11-20 17:57:54,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,416 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:54,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,460 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-20 17:57:54,461 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:54,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1274164316] [2024-11-20 17:57:54,461 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1274164316] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:54,461 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1979725336] [2024-11-20 17:57:54,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:54,461 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:54,461 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:54,463 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) [2024-11-20 17:57:54,464 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-20 17:57:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:54,512 INFO L255 TraceCheckSpWp]: Trace formula consists of 155 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-20 17:57:54,513 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:54,596 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:54,596 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:54,683 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-20 17:57:54,686 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1979725336] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:54,686 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:54,686 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-20 17:57:54,686 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1727479040] [2024-11-20 17:57:54,687 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:54,687 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-20 17:57:54,687 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:54,687 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-20 17:57:54,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-20 17:57:54,687 INFO L87 Difference]: Start difference. First operand 255 states and 296 transitions. Second operand has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 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) [2024-11-20 17:57:55,498 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:55,498 INFO L93 Difference]: Finished difference Result 1144 states and 1391 transitions. [2024-11-20 17:57:55,499 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2024-11-20 17:57:55,499 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 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 34 [2024-11-20 17:57:55,499 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:55,501 INFO L225 Difference]: With dead ends: 1144 [2024-11-20 17:57:55,501 INFO L226 Difference]: Without dead ends: 905 [2024-11-20 17:57:55,502 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 96 GetRequests, 55 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-20 17:57:55,503 INFO L432 NwaCegarLoop]: 9 mSDtfsCounter, 3040 mSDsluCounter, 44 mSDsCounter, 0 mSdLazyCounter, 467 mSolverCounterSat, 180 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3040 SdHoareTripleChecker+Valid, 53 SdHoareTripleChecker+Invalid, 647 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 180 IncrementalHoareTripleChecker+Valid, 467 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:55,503 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3040 Valid, 53 Invalid, 647 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [180 Valid, 467 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 17:57:55,503 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 905 states. [2024-11-20 17:57:55,518 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 905 to 861. [2024-11-20 17:57:55,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 861 states, 850 states have (on average 1.2411764705882353) internal successors, (1055), 860 states have internal predecessors, (1055), 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) [2024-11-20 17:57:55,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 861 states and 1055 transitions. [2024-11-20 17:57:55,521 INFO L78 Accepts]: Start accepts. Automaton has 861 states and 1055 transitions. Word has length 34 [2024-11-20 17:57:55,521 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:55,521 INFO L471 AbstractCegarLoop]: Abstraction has 861 states and 1055 transitions. [2024-11-20 17:57:55,521 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.375) internal successors, (54), 16 states have internal predecessors, (54), 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) [2024-11-20 17:57:55,521 INFO L276 IsEmpty]: Start isEmpty. Operand 861 states and 1055 transitions. [2024-11-20 17:57:55,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2024-11-20 17:57:55,522 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:55,522 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:55,533 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-11-20 17:57:55,722 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 [2024-11-20 17:57:55,723 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:55,723 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:55,723 INFO L85 PathProgramCache]: Analyzing trace with hash 1792932545, now seen corresponding path program 1 times [2024-11-20 17:57:55,723 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:55,723 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2124547728] [2024-11-20 17:57:55,723 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:55,724 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:55,924 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:57:55,924 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:55,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2124547728] [2024-11-20 17:57:55,925 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2124547728] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:55,925 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [984962475] [2024-11-20 17:57:55,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:55,925 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:55,925 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:55,927 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) [2024-11-20 17:57:55,929 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-20 17:57:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:55,985 INFO L255 TraceCheckSpWp]: Trace formula consists of 203 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-20 17:57:55,986 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:56,159 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:57:56,159 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:56,360 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 1 proven. 145 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:57:56,361 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [984962475] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:56,361 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:56,361 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14, 14, 14] total 37 [2024-11-20 17:57:56,361 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658805537] [2024-11-20 17:57:56,361 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:56,362 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 37 states [2024-11-20 17:57:56,362 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:56,362 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 37 interpolants. [2024-11-20 17:57:56,363 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=579, Invalid=753, Unknown=0, NotChecked=0, Total=1332 [2024-11-20 17:57:56,363 INFO L87 Difference]: Start difference. First operand 861 states and 1055 transitions. Second operand has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 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) [2024-11-20 17:57:57,147 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:57:57,147 INFO L93 Difference]: Finished difference Result 2744 states and 3395 transitions. [2024-11-20 17:57:57,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2024-11-20 17:57:57,148 INFO L78 Accepts]: Start accepts. Automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 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 57 [2024-11-20 17:57:57,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:57:57,152 INFO L225 Difference]: With dead ends: 2744 [2024-11-20 17:57:57,152 INFO L226 Difference]: Without dead ends: 1917 [2024-11-20 17:57:57,154 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 745 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=876, Invalid=1380, Unknown=0, NotChecked=0, Total=2256 [2024-11-20 17:57:57,154 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 2588 mSDsluCounter, 463 mSDsCounter, 0 mSdLazyCounter, 547 mSolverCounterSat, 162 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s Time, 0 mProtectedPredicate, 0 mProtectedAction, 2588 SdHoareTripleChecker+Valid, 495 SdHoareTripleChecker+Invalid, 709 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 162 IncrementalHoareTripleChecker+Valid, 547 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.5s IncrementalHoareTripleChecker+Time [2024-11-20 17:57:57,154 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [2588 Valid, 495 Invalid, 709 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [162 Valid, 547 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-20 17:57:57,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1917 states. [2024-11-20 17:57:57,183 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1917 to 1833. [2024-11-20 17:57:57,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1833 states, 1822 states have (on average 1.2442371020856202) internal successors, (2267), 1832 states have internal predecessors, (2267), 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) [2024-11-20 17:57:57,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1833 states and 2267 transitions. [2024-11-20 17:57:57,217 INFO L78 Accepts]: Start accepts. Automaton has 1833 states and 2267 transitions. Word has length 57 [2024-11-20 17:57:57,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:57:57,217 INFO L471 AbstractCegarLoop]: Abstraction has 1833 states and 2267 transitions. [2024-11-20 17:57:57,217 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 37 states, 37 states have (on average 3.135135135135135) internal successors, (116), 37 states have internal predecessors, (116), 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) [2024-11-20 17:57:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2267 transitions. [2024-11-20 17:57:57,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2024-11-20 17:57:57,218 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:57:57,219 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:57:57,225 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-20 17:57:57,419 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 [2024-11-20 17:57:57,419 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:57:57,420 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:57:57,420 INFO L85 PathProgramCache]: Analyzing trace with hash -922302399, now seen corresponding path program 2 times [2024-11-20 17:57:57,420 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:57:57,420 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2131974089] [2024-11-20 17:57:57,420 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:57:57,420 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:57:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:57:58,015 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:57:58,016 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:57:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2131974089] [2024-11-20 17:57:58,016 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2131974089] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:57:58,016 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [383089047] [2024-11-20 17:57:58,016 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:57:58,016 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:57:58,016 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:57:58,018 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) [2024-11-20 17:57:58,020 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-20 17:57:58,096 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-11-20 17:57:58,096 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:57:58,097 INFO L255 TraceCheckSpWp]: Trace formula consists of 335 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-20 17:57:58,099 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:57:58,541 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:57:58,541 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:57:59,261 INFO L134 CoverageAnalysis]: Checked inductivity of 723 backedges. 1 proven. 715 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:57:59,262 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [383089047] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:57:59,262 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:57:59,262 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [26, 26, 26] total 73 [2024-11-20 17:57:59,262 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [501536873] [2024-11-20 17:57:59,262 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:57:59,262 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 73 states [2024-11-20 17:57:59,263 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:57:59,264 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 73 interpolants. [2024-11-20 17:57:59,266 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=2307, Invalid=2949, Unknown=0, NotChecked=0, Total=5256 [2024-11-20 17:57:59,266 INFO L87 Difference]: Start difference. First operand 1833 states and 2267 transitions. Second operand has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 73 states have internal predecessors, (224), 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) [2024-11-20 17:58:01,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:01,677 INFO L93 Difference]: Finished difference Result 5720 states and 7103 transitions. [2024-11-20 17:58:01,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-20 17:58:01,678 INFO L78 Accepts]: Start accepts. Automaton has has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 73 states have internal predecessors, (224), 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 93 [2024-11-20 17:58:01,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:01,686 INFO L225 Difference]: With dead ends: 5720 [2024-11-20 17:58:01,686 INFO L226 Difference]: Without dead ends: 3957 [2024-11-20 17:58:01,689 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 233 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3217 ImplicationChecksByTransitivity, 1.8s TimeCoverageRelationStatistics Valid=3480, Invalid=5640, Unknown=0, NotChecked=0, Total=9120 [2024-11-20 17:58:01,689 INFO L432 NwaCegarLoop]: 32 mSDtfsCounter, 5662 mSDsluCounter, 869 mSDsCounter, 0 mSdLazyCounter, 1031 mSolverCounterSat, 374 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5662 SdHoareTripleChecker+Valid, 901 SdHoareTripleChecker+Invalid, 1405 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 374 IncrementalHoareTripleChecker+Valid, 1031 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.9s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:01,690 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5662 Valid, 901 Invalid, 1405 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [374 Valid, 1031 Invalid, 0 Unknown, 0 Unchecked, 0.9s Time] [2024-11-20 17:58:01,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3957 states. [2024-11-20 17:58:01,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3957 to 3777. [2024-11-20 17:58:01,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3777 states, 3766 states have (on average 1.2456186935740838) internal successors, (4691), 3776 states have internal predecessors, (4691), 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) [2024-11-20 17:58:01,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3777 states to 3777 states and 4691 transitions. [2024-11-20 17:58:01,760 INFO L78 Accepts]: Start accepts. Automaton has 3777 states and 4691 transitions. Word has length 93 [2024-11-20 17:58:01,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:01,761 INFO L471 AbstractCegarLoop]: Abstraction has 3777 states and 4691 transitions. [2024-11-20 17:58:01,761 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 73 states, 73 states have (on average 3.0684931506849313) internal successors, (224), 73 states have internal predecessors, (224), 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) [2024-11-20 17:58:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3777 states and 4691 transitions. [2024-11-20 17:58:01,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2024-11-20 17:58:01,762 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:01,762 INFO L215 NwaCegarLoop]: trace histogram [46, 46, 46, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:01,769 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-20 17:58:01,966 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 [2024-11-20 17:58:01,967 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:58:01,967 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:01,967 INFO L85 PathProgramCache]: Analyzing trace with hash -275897535, now seen corresponding path program 3 times [2024-11-20 17:58:01,968 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:01,968 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798902122] [2024-11-20 17:58:01,968 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:01,968 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:02,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:04,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 1 proven. 3151 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-11-20 17:58:04,053 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:04,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798902122] [2024-11-20 17:58:04,053 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1798902122] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:04,053 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [570465874] [2024-11-20 17:58:04,053 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-11-20 17:58:04,054 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:04,054 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:04,056 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) [2024-11-20 17:58:04,056 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-20 17:58:04,129 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-11-20 17:58:04,129 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:04,130 INFO L255 TraceCheckSpWp]: Trace formula consists of 93 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-20 17:58:04,132 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:04,447 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3158 trivial. 0 not checked. [2024-11-20 17:58:04,447 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:04,626 INFO L134 CoverageAnalysis]: Checked inductivity of 3159 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 3158 trivial. 0 not checked. [2024-11-20 17:58:04,627 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [570465874] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:04,627 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:04,627 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [50, 4, 4] total 54 [2024-11-20 17:58:04,627 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [513298051] [2024-11-20 17:58:04,627 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:04,627 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 54 states [2024-11-20 17:58:04,628 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:04,628 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 54 interpolants. [2024-11-20 17:58:04,629 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1193, Invalid=1669, Unknown=0, NotChecked=0, Total=2862 [2024-11-20 17:58:04,629 INFO L87 Difference]: Start difference. First operand 3777 states and 4691 transitions. Second operand has 54 states, 54 states have (on average 3.2777777777777777) internal successors, (177), 54 states have internal predecessors, (177), 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) [2024-11-20 17:58:17,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:17,302 INFO L93 Difference]: Finished difference Result 7901 states and 9594 transitions. [2024-11-20 17:58:17,302 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 243 states. [2024-11-20 17:58:17,303 INFO L78 Accepts]: Start accepts. Automaton has has 54 states, 54 states have (on average 3.2777777777777777) internal successors, (177), 54 states have internal predecessors, (177), 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 165 [2024-11-20 17:58:17,303 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:17,313 INFO L225 Difference]: With dead ends: 7901 [2024-11-20 17:58:17,313 INFO L226 Difference]: Without dead ends: 4266 [2024-11-20 17:58:17,325 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 616 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 290 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28761 ImplicationChecksByTransitivity, 11.6s TimeCoverageRelationStatistics Valid=25137, Invalid=59835, Unknown=0, NotChecked=0, Total=84972 [2024-11-20 17:58:17,326 INFO L432 NwaCegarLoop]: 10 mSDtfsCounter, 9096 mSDsluCounter, 109 mSDsCounter, 0 mSdLazyCounter, 1527 mSolverCounterSat, 432 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9096 SdHoareTripleChecker+Valid, 119 SdHoareTripleChecker+Invalid, 1959 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 432 IncrementalHoareTripleChecker+Valid, 1527 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:17,326 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9096 Valid, 119 Invalid, 1959 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [432 Valid, 1527 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-20 17:58:17,329 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4266 states. [2024-11-20 17:58:17,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4266 to 4004. [2024-11-20 17:58:17,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4004 states, 3993 states have (on average 1.2369146005509641) internal successors, (4939), 4003 states have internal predecessors, (4939), 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) [2024-11-20 17:58:17,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 4004 states and 4939 transitions. [2024-11-20 17:58:17,459 INFO L78 Accepts]: Start accepts. Automaton has 4004 states and 4939 transitions. Word has length 165 [2024-11-20 17:58:17,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:17,460 INFO L471 AbstractCegarLoop]: Abstraction has 4004 states and 4939 transitions. [2024-11-20 17:58:17,460 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 54 states, 54 states have (on average 3.2777777777777777) internal successors, (177), 54 states have internal predecessors, (177), 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) [2024-11-20 17:58:17,460 INFO L276 IsEmpty]: Start isEmpty. Operand 4004 states and 4939 transitions. [2024-11-20 17:58:17,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 438 [2024-11-20 17:58:17,465 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:17,466 INFO L215 NwaCegarLoop]: trace histogram [141, 141, 141, 3, 3, 3, 2, 1, 1, 1] [2024-11-20 17:58:17,474 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-20 17:58:17,666 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 [2024-11-20 17:58:17,667 INFO L396 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:58:17,667 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:17,668 INFO L85 PathProgramCache]: Analyzing trace with hash 1980944805, now seen corresponding path program 2 times [2024-11-20 17:58:17,668 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:17,668 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [203073536] [2024-11-20 17:58:17,668 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:17,668 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:17,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:17,992 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-20 17:58:17,992 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [203073536] [2024-11-20 17:58:17,992 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [203073536] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:17,992 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1477589252] [2024-11-20 17:58:17,992 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-20 17:58:17,993 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:17,993 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:17,994 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) [2024-11-20 17:58:17,995 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-20 17:58:18,141 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-20 17:58:18,142 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:18,143 INFO L255 TraceCheckSpWp]: Trace formula consists of 59 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-20 17:58:18,147 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-20 17:58:18,503 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:18,924 INFO L134 CoverageAnalysis]: Checked inductivity of 30045 backedges. 0 proven. 13448 refuted. 0 times theorem prover too weak. 16597 trivial. 0 not checked. [2024-11-20 17:58:18,924 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1477589252] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:18,924 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:18,924 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-20 17:58:18,924 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663027596] [2024-11-20 17:58:18,924 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:18,925 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-20 17:58:18,925 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:18,925 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-20 17:58:18,926 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-20 17:58:18,926 INFO L87 Difference]: Start difference. First operand 4004 states and 4939 transitions. Second operand has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-20 17:58:19,016 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:19,016 INFO L93 Difference]: Finished difference Result 4004 states and 4939 transitions. [2024-11-20 17:58:19,016 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-20 17:58:19,017 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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 437 [2024-11-20 17:58:19,017 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:19,026 INFO L225 Difference]: With dead ends: 4004 [2024-11-20 17:58:19,027 INFO L226 Difference]: Without dead ends: 4001 [2024-11-20 17:58:19,028 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 877 GetRequests, 871 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-20 17:58:19,028 INFO L432 NwaCegarLoop]: 26 mSDtfsCounter, 120 mSDsluCounter, 3 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 120 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:19,028 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [120 Valid, 29 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-20 17:58:19,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4001 states. [2024-11-20 17:58:19,087 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4001 to 2861. [2024-11-20 17:58:19,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2861 states, 2853 states have (on average 1.1987381703470033) internal successors, (3420), 2860 states have internal predecessors, (3420), 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) [2024-11-20 17:58:19,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2861 states and 3420 transitions. [2024-11-20 17:58:19,093 INFO L78 Accepts]: Start accepts. Automaton has 2861 states and 3420 transitions. Word has length 437 [2024-11-20 17:58:19,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:19,094 INFO L471 AbstractCegarLoop]: Abstraction has 2861 states and 3420 transitions. [2024-11-20 17:58:19,094 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 6.2) internal successors, (31), 6 states have internal predecessors, (31), 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) [2024-11-20 17:58:19,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2861 states and 3420 transitions. [2024-11-20 17:58:19,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 604 [2024-11-20 17:58:19,100 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:19,100 INFO L215 NwaCegarLoop]: trace histogram [188, 188, 188, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:19,106 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Ended with exit code 0 [2024-11-20 17:58:19,300 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 [2024-11-20 17:58:19,301 INFO L396 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:58:19,301 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:19,301 INFO L85 PathProgramCache]: Analyzing trace with hash -2044608278, now seen corresponding path program 4 times [2024-11-20 17:58:19,302 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:19,302 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [854138413] [2024-11-20 17:58:19,302 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:19,302 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:22,868 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-11-20 17:58:22,868 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:22,868 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [854138413] [2024-11-20 17:58:22,871 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [854138413] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:22,871 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [435019372] [2024-11-20 17:58:22,871 INFO L93 rtionOrderModulation]: Changing assertion order to TERMS_WITH_SMALL_CONSTANTS_FIRST [2024-11-20 17:58:22,871 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:22,871 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:22,875 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) [2024-11-20 17:58:22,876 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Waiting until timeout for monitored process [2024-11-20 17:58:23,256 INFO L227 tOrderPrioritization]: Assert order TERMS_WITH_SMALL_CONSTANTS_FIRST issued 0 check-sat command(s) [2024-11-20 17:58:23,257 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-20 17:58:23,265 INFO L255 TraceCheckSpWp]: Trace formula consists of 2185 conjuncts, 50 conjuncts are in the unsatisfiable core [2024-11-20 17:58:23,273 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-20 17:58:24,653 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-11-20 17:58:24,653 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-20 17:58:27,350 INFO L134 CoverageAnalysis]: Checked inductivity of 53521 backedges. 20170 proven. 3290 refuted. 0 times theorem prover too weak. 30061 trivial. 0 not checked. [2024-11-20 17:58:27,351 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [435019372] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-20 17:58:27,351 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-20 17:58:27,351 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [51, 51, 51] total 148 [2024-11-20 17:58:27,351 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [740524541] [2024-11-20 17:58:27,351 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-20 17:58:27,352 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 148 states [2024-11-20 17:58:27,352 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-20 17:58:27,355 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 148 interpolants. [2024-11-20 17:58:27,356 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9607, Invalid=12149, Unknown=0, NotChecked=0, Total=21756 [2024-11-20 17:58:27,357 INFO L87 Difference]: Start difference. First operand 2861 states and 3420 transitions. Second operand has 148 states, 148 states have (on average 3.0675675675675675) internal successors, (454), 148 states have internal predecessors, (454), 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) [2024-11-20 17:58:40,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-20 17:58:40,641 INFO L93 Difference]: Finished difference Result 8897 states and 10614 transitions. [2024-11-20 17:58:40,642 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 99 states. [2024-11-20 17:58:40,642 INFO L78 Accepts]: Start accepts. Automaton has has 148 states, 148 states have (on average 3.0675675675675675) internal successors, (454), 148 states have internal predecessors, (454), 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 603 [2024-11-20 17:58:40,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-20 17:58:40,669 INFO L225 Difference]: With dead ends: 8897 [2024-11-20 17:58:40,669 INFO L226 Difference]: Without dead ends: 6181 [2024-11-20 17:58:40,678 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1303 GetRequests, 1109 SyntacticMatches, 0 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13917 ImplicationChecksByTransitivity, 6.7s TimeCoverageRelationStatistics Valid=14455, Invalid=23765, Unknown=0, NotChecked=0, Total=38220 [2024-11-20 17:58:40,679 INFO L432 NwaCegarLoop]: 29 mSDtfsCounter, 14450 mSDsluCounter, 1750 mSDsCounter, 0 mSdLazyCounter, 2128 mSolverCounterSat, 964 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.6s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14450 SdHoareTripleChecker+Valid, 1779 SdHoareTripleChecker+Invalid, 3092 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 964 IncrementalHoareTripleChecker+Valid, 2128 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.9s IncrementalHoareTripleChecker+Time [2024-11-20 17:58:40,680 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14450 Valid, 1779 Invalid, 3092 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [964 Valid, 2128 Invalid, 0 Unknown, 0 Unchecked, 1.9s Time] [2024-11-20 17:58:40,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6181 states. [2024-11-20 17:58:40,792 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6181 to 5801. [2024-11-20 17:58:40,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5801 states, 5793 states have (on average 1.1993785603314344) internal successors, (6948), 5800 states have internal predecessors, (6948), 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) [2024-11-20 17:58:40,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5801 states to 5801 states and 6948 transitions. [2024-11-20 17:58:40,807 INFO L78 Accepts]: Start accepts. Automaton has 5801 states and 6948 transitions. Word has length 603 [2024-11-20 17:58:40,807 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-20 17:58:40,807 INFO L471 AbstractCegarLoop]: Abstraction has 5801 states and 6948 transitions. [2024-11-20 17:58:40,807 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 148 states, 148 states have (on average 3.0675675675675675) internal successors, (454), 148 states have internal predecessors, (454), 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) [2024-11-20 17:58:40,807 INFO L276 IsEmpty]: Start isEmpty. Operand 5801 states and 6948 transitions. [2024-11-20 17:58:40,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1192 [2024-11-20 17:58:40,826 INFO L207 NwaCegarLoop]: Found error trace [2024-11-20 17:58:40,826 INFO L215 NwaCegarLoop]: trace histogram [384, 384, 384, 4, 4, 4, 4, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-20 17:58:40,838 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (11)] Ended with exit code 0 [2024-11-20 17:58:41,030 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,SelfDestructingSolverStorable14 [2024-11-20 17:58:41,031 INFO L396 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 25 more)] === [2024-11-20 17:58:41,031 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-20 17:58:41,031 INFO L85 PathProgramCache]: Analyzing trace with hash 924747782, now seen corresponding path program 5 times [2024-11-20 17:58:41,031 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-20 17:58:41,031 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1825933821] [2024-11-20 17:58:41,031 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-20 17:58:41,031 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-20 17:58:41,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-20 17:58:54,484 INFO L134 CoverageAnalysis]: Checked inductivity of 222179 backedges. 83527 proven. 13776 refuted. 0 times theorem prover too weak. 124876 trivial. 0 not checked. [2024-11-20 17:58:54,485 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-20 17:58:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1825933821] [2024-11-20 17:58:54,485 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1825933821] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-20 17:58:54,485 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1828205067] [2024-11-20 17:58:54,485 INFO L93 rtionOrderModulation]: Changing assertion order to INSIDE_LOOP_FIRST1 [2024-11-20 17:58:54,485 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-20 17:58:54,485 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-20 17:58:54,487 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) [2024-11-20 17:58:54,488 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (12)] Waiting until timeout for monitored process