./Ultimate.py --spec ../sv-benchmarks/c/properties/no-overflow.prp --file ../sv-benchmarks/c/array-multidimensional/init-4-n-u.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version 3061b6dc Calling Ultimate with: /root/.sdkman/candidates/java/11.0.12-open/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/array-multidimensional/init-4-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 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-assert-order-craig-3061b6d-m [2024-11-19 10:02:05,373 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-19 10:02:05,420 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-19 10:02:05,424 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-19 10:02:05,424 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-19 10:02:05,439 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-19 10:02:05,440 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-19 10:02:05,440 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-19 10:02:05,441 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-19 10:02:05,441 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-19 10:02:05,441 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-19 10:02:05,442 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-19 10:02:05,442 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-19 10:02:05,443 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-19 10:02:05,443 INFO L153 SettingsManager]: * Use SBE=true [2024-11-19 10:02:05,443 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-19 10:02:05,443 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-19 10:02:05,444 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-19 10:02:05,444 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-19 10:02:05,444 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-19 10:02:05,445 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-19 10:02:05,445 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-19 10:02:05,445 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-19 10:02:05,446 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-19 10:02:05,446 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-19 10:02:05,446 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-19 10:02:05,446 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-19 10:02:05,446 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-19 10:02:05,447 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-19 10:02:05,447 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-19 10:02:05,447 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-19 10:02:05,447 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-19 10:02:05,447 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-19 10:02:05,448 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-19 10:02:05,448 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:02:05,448 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-19 10:02:05,448 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-19 10:02:05,448 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-19 10:02:05,449 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-19 10:02:05,449 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-19 10:02:05,449 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-19 10:02:05,450 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-19 10:02:05,450 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-19 10:02:05,450 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-19 10:02:05,450 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2024-11-19 10:02:05,656 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-19 10:02:05,681 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-19 10:02:05,683 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-19 10:02:05,684 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-19 10:02:05,685 INFO L274 PluginConnector]: CDTParser initialized [2024-11-19 10:02:05,686 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-19 10:02:07,098 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-19 10:02:07,284 INFO L384 CDTParser]: Found 1 translation units. [2024-11-19 10:02:07,285 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-19 10:02:07,291 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020b745f2/ba05f2064d2946b2a5e94fa6351c7b30/FLAGe11711694 [2024-11-19 10:02:07,688 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/020b745f2/ba05f2064d2946b2a5e94fa6351c7b30 [2024-11-19 10:02:07,691 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-19 10:02:07,692 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-19 10:02:07,693 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-19 10:02:07,693 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-19 10:02:07,697 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-19 10:02:07,698 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,699 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cafa1a3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07, skipping insertion in model container [2024-11-19 10:02:07,699 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,716 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-19 10:02:07,866 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:02:07,872 INFO L200 MainTranslator]: Completed pre-run [2024-11-19 10:02:07,891 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-19 10:02:07,904 INFO L204 MainTranslator]: Completed translation [2024-11-19 10:02:07,905 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07 WrapperNode [2024-11-19 10:02:07,905 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-19 10:02:07,906 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-19 10:02:07,906 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-19 10:02:07,906 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-19 10:02:07,911 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,917 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,939 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-19 10:02:07,940 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-19 10:02:07,940 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-19 10:02:07,940 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-19 10:02:07,941 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-19 10:02:07,951 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,951 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,955 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,977 INFO L175 MemorySlicer]: Split 4 memory accesses to 2 slices as follows [2, 2]. 50 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 1 writes are split as follows [0, 1]. [2024-11-19 10:02:07,977 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,977 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,983 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,987 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,988 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,989 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,991 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-19 10:02:07,992 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-19 10:02:07,992 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-19 10:02:07,992 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-19 10:02:07,993 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (1/1) ... [2024-11-19 10:02:07,997 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-19 10:02:08,015 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:08,032 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-11-19 10:02:08,041 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-11-19 10:02:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-19 10:02:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-19 10:02:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-19 10:02:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-19 10:02:08,082 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-19 10:02:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-19 10:02:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-19 10:02:08,083 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-19 10:02:08,083 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-19 10:02:08,084 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-19 10:02:08,085 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-19 10:02:08,149 INFO L238 CfgBuilder]: Building ICFG [2024-11-19 10:02:08,152 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-19 10:02:08,395 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-19 10:02:08,398 INFO L287 CfgBuilder]: Performing block encoding [2024-11-19 10:02:08,411 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-19 10:02:08,412 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-19 10:02:08,412 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:08 BoogieIcfgContainer [2024-11-19 10:02:08,412 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-19 10:02:08,414 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-19 10:02:08,416 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-19 10:02:08,418 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-19 10:02:08,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.11 10:02:07" (1/3) ... [2024-11-19 10:02:08,419 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16adb7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:02:08, skipping insertion in model container [2024-11-19 10:02:08,419 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 10:02:07" (2/3) ... [2024-11-19 10:02:08,420 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@16adb7e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.11 10:02:08, skipping insertion in model container [2024-11-19 10:02:08,421 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 10:02:08" (3/3) ... [2024-11-19 10:02:08,422 INFO L112 eAbstractionObserver]: Analyzing ICFG init-4-n-u.c [2024-11-19 10:02:08,437 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-19 10:02:08,438 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-19 10:02:08,497 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-19 10:02:08,504 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;@e9451e8, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-19 10:02:08,504 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-19 10:02:08,508 INFO L276 IsEmpty]: Start isEmpty. Operand has 51 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 50 states have internal predecessors, (67), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:08,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-19 10:02:08,513 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:08,514 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-19 10:02:08,514 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:08,520 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:08,520 INFO L85 PathProgramCache]: Analyzing trace with hash 28699922, now seen corresponding path program 1 times [2024-11-19 10:02:08,528 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:08,528 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1775377052] [2024-11-19 10:02:08,528 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:08,529 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:08,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:08,815 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:08,815 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:08,815 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1775377052] [2024-11-19 10:02:08,816 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1775377052] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:08,816 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:08,816 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:02:08,817 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386648886] [2024-11-19 10:02:08,818 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:08,821 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:08,821 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:08,838 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:08,839 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:02:08,841 INFO L87 Difference]: Start difference. First operand has 51 states, 34 states have (on average 1.9705882352941178) internal successors, (67), 50 states have internal predecessors, (67), 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) [2024-11-19 10:02:08,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:08,910 INFO L93 Difference]: Finished difference Result 128 states and 177 transitions. [2024-11-19 10:02:08,913 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:08,915 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 [2024-11-19 10:02:08,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:08,923 INFO L225 Difference]: With dead ends: 128 [2024-11-19 10:02:08,924 INFO L226 Difference]: Without dead ends: 73 [2024-11-19 10:02:08,927 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 [2024-11-19 10:02:08,931 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 84 mSDsluCounter, 41 mSDsCounter, 0 mSdLazyCounter, 27 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 84 SdHoareTripleChecker+Valid, 88 SdHoareTripleChecker+Invalid, 33 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 27 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:08,932 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 88 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:02:08,949 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-19 10:02:08,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-19 10:02:08,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 65 states, 49 states have (on average 1.7142857142857142) internal successors, (84), 64 states have internal predecessors, (84), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:08,988 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2024-11-19 10:02:08,989 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 5 [2024-11-19 10:02:08,989 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:08,989 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2024-11-19 10:02:08,990 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) [2024-11-19 10:02:08,990 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2024-11-19 10:02:08,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-19 10:02:08,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:08,991 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:08,991 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-19 10:02:08,991 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:08,992 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:08,992 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852219, now seen corresponding path program 1 times [2024-11-19 10:02:08,992 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:08,992 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2036063122] [2024-11-19 10:02:08,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:08,993 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:09,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:09,121 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:09,122 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:09,122 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2036063122] [2024-11-19 10:02:09,123 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2036063122] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:09,126 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:09,126 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:02:09,127 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [923267231] [2024-11-19 10:02:09,127 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:09,127 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:09,128 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:09,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:09,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:02:09,129 INFO L87 Difference]: Start difference. First operand 65 states and 84 transitions. Second operand has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2024-11-19 10:02:09,224 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:09,224 INFO L93 Difference]: Finished difference Result 144 states and 194 transitions. [2024-11-19 10:02:09,224 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:09,225 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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 [2024-11-19 10:02:09,225 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:09,226 INFO L225 Difference]: With dead ends: 144 [2024-11-19 10:02:09,226 INFO L226 Difference]: Without dead ends: 81 [2024-11-19 10:02:09,227 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 [2024-11-19 10:02:09,227 INFO L432 NwaCegarLoop]: 44 mSDtfsCounter, 61 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 21 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 61 SdHoareTripleChecker+Valid, 81 SdHoareTripleChecker+Invalid, 27 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 21 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:09,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 81 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:09,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-19 10:02:09,238 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-19 10:02:09,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 81 states, 65 states have (on average 1.5384615384615385) internal successors, (100), 80 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2024-11-19 10:02:09,241 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 7 [2024-11-19 10:02:09,241 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:09,241 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2024-11-19 10:02:09,241 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 1.75) internal successors, (7), 4 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) [2024-11-19 10:02:09,241 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-11-19 10:02:09,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-19 10:02:09,242 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:09,242 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:09,242 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-19 10:02:09,243 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:09,243 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:09,243 INFO L85 PathProgramCache]: Analyzing trace with hash 765927003, now seen corresponding path program 1 times [2024-11-19 10:02:09,244 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:09,244 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1998865096] [2024-11-19 10:02:09,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:09,244 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:09,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:09,312 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:09,312 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:09,312 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1998865096] [2024-11-19 10:02:09,312 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1998865096] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:09,313 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:09,313 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-19 10:02:09,313 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1317327226] [2024-11-19 10:02:09,313 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:09,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:09,313 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:09,314 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:09,314 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-19 10:02:09,314 INFO L87 Difference]: Start difference. First operand 81 states and 100 transitions. Second operand has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,403 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:09,403 INFO L93 Difference]: Finished difference Result 208 states and 266 transitions. [2024-11-19 10:02:09,404 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:09,404 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 9 [2024-11-19 10:02:09,404 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:09,405 INFO L225 Difference]: With dead ends: 208 [2024-11-19 10:02:09,405 INFO L226 Difference]: Without dead ends: 129 [2024-11-19 10:02:09,406 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 [2024-11-19 10:02:09,407 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 86 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 25 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 86 SdHoareTripleChecker+Valid, 77 SdHoareTripleChecker+Invalid, 31 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 25 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:09,407 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [86 Valid, 77 Invalid, 31 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 25 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:09,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-19 10:02:09,420 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2024-11-19 10:02:09,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 109 states have (on average 1.4311926605504588) internal successors, (156), 124 states have internal predecessors, (156), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 156 transitions. [2024-11-19 10:02:09,423 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 156 transitions. Word has length 9 [2024-11-19 10:02:09,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:09,423 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 156 transitions. [2024-11-19 10:02:09,423 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 2.25) internal successors, (9), 4 states have internal predecessors, (9), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,423 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2024-11-19 10:02:09,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-19 10:02:09,424 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:09,424 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:09,424 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-19 10:02:09,424 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:09,425 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:09,425 INFO L85 PathProgramCache]: Analyzing trace with hash -1984038952, now seen corresponding path program 1 times [2024-11-19 10:02:09,425 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:09,425 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1389147909] [2024-11-19 10:02:09,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:09,425 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:09,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:09,482 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:09,482 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:09,482 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1389147909] [2024-11-19 10:02:09,482 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1389147909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:09,483 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [90193696] [2024-11-19 10:02:09,483 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:09,483 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:09,483 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:09,485 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:09,487 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-19 10:02:09,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:09,540 INFO L255 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:02:09,543 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:09,576 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:09,576 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-19 10:02:09,576 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [90193696] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:09,576 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-19 10:02:09,577 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-19 10:02:09,577 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [60728008] [2024-11-19 10:02:09,577 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:09,577 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-19 10:02:09,578 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:09,578 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-19 10:02:09,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:02:09,579 INFO L87 Difference]: Start difference. First operand 125 states and 156 transitions. Second operand has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,623 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:09,624 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2024-11-19 10:02:09,627 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-19 10:02:09,628 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 10 [2024-11-19 10:02:09,628 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:09,629 INFO L225 Difference]: With dead ends: 125 [2024-11-19 10:02:09,630 INFO L226 Difference]: Without dead ends: 123 [2024-11-19 10:02:09,630 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-19 10:02:09,631 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 9 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 26 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 9 SdHoareTripleChecker+Valid, 80 SdHoareTripleChecker+Invalid, 30 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 26 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:09,631 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [9 Valid, 80 Invalid, 30 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 26 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:02:09,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-19 10:02:09,640 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-19 10:02:09,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 123 states, 109 states have (on average 1.3577981651376148) internal successors, (148), 122 states have internal predecessors, (148), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2024-11-19 10:02:09,642 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 10 [2024-11-19 10:02:09,642 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:09,642 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2024-11-19 10:02:09,642 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 3.3333333333333335) internal successors, (10), 4 states have internal predecessors, (10), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:09,642 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2024-11-19 10:02:09,643 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-19 10:02:09,643 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:09,643 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:09,663 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-19 10:02:09,843 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:09,844 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:09,845 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:09,845 INFO L85 PathProgramCache]: Analyzing trace with hash -1375665296, now seen corresponding path program 1 times [2024-11-19 10:02:09,845 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:09,845 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [331680497] [2024-11-19 10:02:09,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:09,845 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:09,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:09,975 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:09,975 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [331680497] [2024-11-19 10:02:09,976 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [331680497] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:09,976 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2048821214] [2024-11-19 10:02:09,976 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:09,976 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:09,976 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:09,978 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:09,981 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-19 10:02:10,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:10,035 INFO L255 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:02:10,036 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:10,063 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:10,063 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:10,099 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-19 10:02:10,099 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2048821214] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:10,099 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:10,099 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-19 10:02:10,099 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [7468006] [2024-11-19 10:02:10,099 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:10,100 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-19 10:02:10,100 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:10,100 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-19 10:02:10,100 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:02:10,100 INFO L87 Difference]: Start difference. First operand 123 states and 148 transitions. Second operand has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:10,224 INFO L93 Difference]: Finished difference Result 221 states and 292 transitions. [2024-11-19 10:02:10,226 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-19 10:02:10,226 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 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 11 [2024-11-19 10:02:10,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:10,227 INFO L225 Difference]: With dead ends: 221 [2024-11-19 10:02:10,227 INFO L226 Difference]: Without dead ends: 219 [2024-11-19 10:02:10,227 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 23 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-19 10:02:10,228 INFO L432 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 24 SdHoareTripleChecker+Valid, 124 SdHoareTripleChecker+Invalid, 56 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 10 IncrementalHoareTripleChecker+Valid, 46 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:10,228 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [24 Valid, 124 Invalid, 56 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [10 Valid, 46 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:10,229 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-19 10:02:10,267 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-19 10:02:10,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 219 states, 205 states have (on average 1.3073170731707318) internal successors, (268), 218 states have internal predecessors, (268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 268 transitions. [2024-11-19 10:02:10,272 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 268 transitions. Word has length 11 [2024-11-19 10:02:10,273 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:10,273 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 268 transitions. [2024-11-19 10:02:10,273 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 6 states have (on average 3.6666666666666665) internal successors, (22), 7 states have internal predecessors, (22), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,274 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 268 transitions. [2024-11-19 10:02:10,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-19 10:02:10,275 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:10,276 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:10,290 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-19 10:02:10,480 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4,3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:10,481 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:10,481 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:10,481 INFO L85 PathProgramCache]: Analyzing trace with hash 2047707096, now seen corresponding path program 1 times [2024-11-19 10:02:10,482 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:10,482 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1792715414] [2024-11-19 10:02:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:10,482 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:10,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:10,521 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-19 10:02:10,521 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:10,521 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1792715414] [2024-11-19 10:02:10,521 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1792715414] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-19 10:02:10,521 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-19 10:02:10,521 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-19 10:02:10,522 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1054034402] [2024-11-19 10:02:10,522 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-19 10:02:10,522 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-19 10:02:10,522 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:10,522 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-19 10:02:10,522 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:02:10,523 INFO L87 Difference]: Start difference. First operand 219 states and 268 transitions. Second operand has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:10,570 INFO L93 Difference]: Finished difference Result 435 states and 533 transitions. [2024-11-19 10:02:10,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-19 10:02:10,571 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 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 16 [2024-11-19 10:02:10,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:10,573 INFO L225 Difference]: With dead ends: 435 [2024-11-19 10:02:10,573 INFO L226 Difference]: Without dead ends: 431 [2024-11-19 10:02:10,573 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-19 10:02:10,573 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 27 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 22 mSolverCounterSat, 4 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 27 SdHoareTripleChecker+Valid, 76 SdHoareTripleChecker+Invalid, 26 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 4 IncrementalHoareTripleChecker+Valid, 22 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:10,574 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [27 Valid, 76 Invalid, 26 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [4 Valid, 22 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:02:10,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-19 10:02:10,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 421. [2024-11-19 10:02:10,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 421 states, 407 states have (on average 1.2997542997542997) internal successors, (529), 420 states have internal predecessors, (529), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 529 transitions. [2024-11-19 10:02:10,616 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 529 transitions. Word has length 16 [2024-11-19 10:02:10,616 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:10,616 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 529 transitions. [2024-11-19 10:02:10,616 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 8.0) internal successors, (16), 3 states have internal predecessors, (16), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:10,616 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 529 transitions. [2024-11-19 10:02:10,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-19 10:02:10,617 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:10,617 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:10,617 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-19 10:02:10,617 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:10,618 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:10,618 INFO L85 PathProgramCache]: Analyzing trace with hash -903561788, now seen corresponding path program 1 times [2024-11-19 10:02:10,619 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:10,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1757543867] [2024-11-19 10:02:10,619 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:10,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:10,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:10,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:02:10,694 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:10,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1757543867] [2024-11-19 10:02:10,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1757543867] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:10,694 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1566224998] [2024-11-19 10:02:10,695 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:10,695 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:10,695 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:10,697 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:10,699 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-19 10:02:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:10,765 INFO L255 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-19 10:02:10,767 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:10,814 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:02:10,814 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:10,850 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-19 10:02:10,851 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1566224998] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:10,851 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:10,851 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-19 10:02:10,851 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1898235348] [2024-11-19 10:02:10,851 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:10,852 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-19 10:02:10,852 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:10,852 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-19 10:02:10,852 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-19 10:02:10,853 INFO L87 Difference]: Start difference. First operand 421 states and 529 transitions. Second operand has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:11,104 INFO L93 Difference]: Finished difference Result 822 states and 1032 transitions. [2024-11-19 10:02:11,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-19 10:02:11,104 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 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 17 [2024-11-19 10:02:11,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:11,106 INFO L225 Difference]: With dead ends: 822 [2024-11-19 10:02:11,106 INFO L226 Difference]: Without dead ends: 421 [2024-11-19 10:02:11,108 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 45 GetRequests, 27 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=118, Invalid=262, Unknown=0, NotChecked=0, Total=380 [2024-11-19 10:02:11,109 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 215 mSDsluCounter, 116 mSDsCounter, 0 mSdLazyCounter, 160 mSolverCounterSat, 29 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 215 SdHoareTripleChecker+Valid, 146 SdHoareTripleChecker+Invalid, 189 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 29 IncrementalHoareTripleChecker+Valid, 160 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:11,109 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 146 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-19 10:02:11,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-19 10:02:11,125 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 419. [2024-11-19 10:02:11,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 419 states, 407 states have (on average 1.162162162162162) internal successors, (473), 418 states have internal predecessors, (473), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 473 transitions. [2024-11-19 10:02:11,127 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 473 transitions. Word has length 17 [2024-11-19 10:02:11,127 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:11,127 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 473 transitions. [2024-11-19 10:02:11,127 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 4.1) internal successors, (41), 10 states have internal predecessors, (41), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,127 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 473 transitions. [2024-11-19 10:02:11,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-19 10:02:11,128 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:11,128 INFO L215 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:11,143 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-19 10:02:11,332 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 [2024-11-19 10:02:11,333 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:11,333 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:11,334 INFO L85 PathProgramCache]: Analyzing trace with hash 1645871190, now seen corresponding path program 2 times [2024-11-19 10:02:11,334 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:11,334 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1229205653] [2024-11-19 10:02:11,334 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:11,334 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:11,343 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:11,343 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:11,361 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 10:02:11,361 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:11,361 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1229205653] [2024-11-19 10:02:11,362 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1229205653] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:11,362 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [412411785] [2024-11-19 10:02:11,362 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-19 10:02:11,362 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:11,362 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:11,363 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:11,365 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-19 10:02:11,415 INFO L227 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-19 10:02:11,415 INFO L228 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-19 10:02:11,416 INFO L255 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-19 10:02:11,417 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:11,449 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 10:02:11,449 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:11,477 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-19 10:02:11,478 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [412411785] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:11,478 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:11,478 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-19 10:02:11,478 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [143169387] [2024-11-19 10:02:11,478 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:11,478 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-19 10:02:11,478 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:11,479 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-19 10:02:11,479 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-19 10:02:11,479 INFO L87 Difference]: Start difference. First operand 419 states and 473 transitions. Second operand has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,516 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:11,516 INFO L93 Difference]: Finished difference Result 419 states and 473 transitions. [2024-11-19 10:02:11,516 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-19 10:02:11,516 INFO L78 Accepts]: Start accepts. Automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 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 20 [2024-11-19 10:02:11,517 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:11,518 INFO L225 Difference]: With dead ends: 419 [2024-11-19 10:02:11,518 INFO L226 Difference]: Without dead ends: 417 [2024-11-19 10:02:11,518 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 43 GetRequests, 37 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=33, Unknown=0, NotChecked=0, Total=56 [2024-11-19 10:02:11,519 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 43 mSDsluCounter, 70 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 6 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 43 SdHoareTripleChecker+Valid, 108 SdHoareTripleChecker+Invalid, 20 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 6 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:11,519 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [43 Valid, 108 Invalid, 20 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-19 10:02:11,520 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-19 10:02:11,533 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 369. [2024-11-19 10:02:11,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 369 states, 359 states have (on average 1.139275766016713) internal successors, (409), 368 states have internal predecessors, (409), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,534 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 409 transitions. [2024-11-19 10:02:11,535 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 409 transitions. Word has length 20 [2024-11-19 10:02:11,535 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:11,535 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 409 transitions. [2024-11-19 10:02:11,535 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 6 states, 5 states have (on average 4.2) internal successors, (21), 6 states have internal predecessors, (21), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:11,535 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 409 transitions. [2024-11-19 10:02:11,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-19 10:02:11,536 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:11,536 INFO L215 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:11,552 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-19 10:02:11,736 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 [2024-11-19 10:02:11,737 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:11,738 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:11,738 INFO L85 PathProgramCache]: Analyzing trace with hash 1271144701, now seen corresponding path program 1 times [2024-11-19 10:02:11,738 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:11,738 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2012175909] [2024-11-19 10:02:11,738 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:11,739 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:11,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:11,792 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-19 10:02:11,792 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:11,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2012175909] [2024-11-19 10:02:11,792 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2012175909] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:11,792 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [39399696] [2024-11-19 10:02:11,792 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:11,792 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:11,793 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:11,796 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:11,797 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-19 10:02:11,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:11,866 INFO L255 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-19 10:02:11,867 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:11,974 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:02:11,975 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:12,038 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-19 10:02:12,038 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [39399696] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:12,038 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:12,039 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-19 10:02:12,039 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [24745001] [2024-11-19 10:02:12,039 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:12,039 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-19 10:02:12,039 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:12,040 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-19 10:02:12,040 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-19 10:02:12,040 INFO L87 Difference]: Start difference. First operand 369 states and 409 transitions. Second operand has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:12,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:12,510 INFO L93 Difference]: Finished difference Result 1456 states and 1702 transitions. [2024-11-19 10:02:12,511 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-19 10:02:12,511 INFO L78 Accepts]: Start accepts. Automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 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 36 [2024-11-19 10:02:12,511 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:12,514 INFO L225 Difference]: With dead ends: 1456 [2024-11-19 10:02:12,514 INFO L226 Difference]: Without dead ends: 1105 [2024-11-19 10:02:12,515 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-19 10:02:12,516 INFO L432 NwaCegarLoop]: 30 mSDtfsCounter, 770 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 770 SdHoareTripleChecker+Valid, 185 SdHoareTripleChecker+Invalid, 231 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 91 IncrementalHoareTripleChecker+Valid, 140 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:12,516 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [770 Valid, 185 Invalid, 231 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [91 Valid, 140 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-19 10:02:12,517 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2024-11-19 10:02:12,576 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2024-11-19 10:02:12,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1105 states, 1095 states have (on average 1.0602739726027397) internal successors, (1161), 1104 states have internal predecessors, (1161), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:12,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1161 transitions. [2024-11-19 10:02:12,580 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1161 transitions. Word has length 36 [2024-11-19 10:02:12,580 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:12,580 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1161 transitions. [2024-11-19 10:02:12,580 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 16 states, 16 states have (on average 3.75) internal successors, (60), 16 states have internal predecessors, (60), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:12,580 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1161 transitions. [2024-11-19 10:02:12,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-19 10:02:12,582 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:12,582 INFO L215 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-19 10:02:12,597 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-19 10:02:12,783 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:12,784 INFO L396 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:12,784 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:12,785 INFO L85 PathProgramCache]: Analyzing trace with hash -1354818353, now seen corresponding path program 1 times [2024-11-19 10:02:12,785 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:12,785 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [141124626] [2024-11-19 10:02:12,785 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:12,785 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:12,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-19 10:02:12,958 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [141124626] [2024-11-19 10:02:12,958 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [141124626] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:12,958 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [855109779] [2024-11-19 10:02:12,958 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:12,958 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:12,958 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:12,963 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:12,967 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-19 10:02:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:13,044 INFO L255 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-19 10:02:13,046 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:13,243 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-19 10:02:13,243 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:13,430 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-19 10:02:13,431 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [855109779] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:13,431 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:13,431 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-19 10:02:13,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384417610] [2024-11-19 10:02:13,431 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:13,431 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-19 10:02:13,432 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:13,432 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-19 10:02:13,432 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-19 10:02:13,433 INFO L87 Difference]: Start difference. First operand 1105 states and 1161 transitions. Second operand has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:14,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:14,525 INFO L93 Difference]: Finished difference Result 3326 states and 3724 transitions. [2024-11-19 10:02:14,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-19 10:02:14,526 INFO L78 Accepts]: Start accepts. Automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 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 78 [2024-11-19 10:02:14,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:14,535 INFO L225 Difference]: With dead ends: 3326 [2024-11-19 10:02:14,536 INFO L226 Difference]: Without dead ends: 2257 [2024-11-19 10:02:14,539 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-19 10:02:14,540 INFO L432 NwaCegarLoop]: 38 mSDtfsCounter, 1028 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1028 SdHoareTripleChecker+Valid, 317 SdHoareTripleChecker+Invalid, 600 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 169 IncrementalHoareTripleChecker+Valid, 431 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:14,541 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 317 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-11-19 10:02:14,543 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2024-11-19 10:02:14,620 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2255. [2024-11-19 10:02:14,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2255 states, 2247 states have (on average 1.0275923453493547) internal successors, (2309), 2254 states have internal predecessors, (2309), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:14,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2309 transitions. [2024-11-19 10:02:14,630 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2309 transitions. Word has length 78 [2024-11-19 10:02:14,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:14,631 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 2309 transitions. [2024-11-19 10:02:14,631 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 28 states, 28 states have (on average 3.7857142857142856) internal successors, (106), 28 states have internal predecessors, (106), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:14,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2309 transitions. [2024-11-19 10:02:14,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-19 10:02:14,634 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:14,634 INFO L215 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:02:14,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2024-11-19 10:02:14,834 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:14,835 INFO L396 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:14,836 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:14,836 INFO L85 PathProgramCache]: Analyzing trace with hash -863250329, now seen corresponding path program 1 times [2024-11-19 10:02:14,836 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:14,837 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1235635957] [2024-11-19 10:02:14,837 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:14,837 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:14,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:15,104 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2024-11-19 10:02:15,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1235635957] [2024-11-19 10:02:15,104 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1235635957] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:15,104 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2034000851] [2024-11-19 10:02:15,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:15,104 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:15,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:15,109 INFO L229 MonitoredProcess]: Starting monitored process 8 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:15,110 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-19 10:02:15,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:15,248 INFO L255 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-19 10:02:15,251 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:15,687 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-19 10:02:15,687 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:16,246 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-19 10:02:16,247 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2034000851] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:16,247 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:16,247 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-19 10:02:16,247 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121974898] [2024-11-19 10:02:16,247 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:16,248 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-19 10:02:16,249 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:16,250 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-19 10:02:16,250 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-19 10:02:16,251 INFO L87 Difference]: Start difference. First operand 2255 states and 2309 transitions. Second operand has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:20,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:20,832 INFO L93 Difference]: Finished difference Result 9014 states and 10012 transitions. [2024-11-19 10:02:20,833 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-19 10:02:20,833 INFO L78 Accepts]: Start accepts. Automaton has has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 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 151 [2024-11-19 10:02:20,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:20,850 INFO L225 Difference]: With dead ends: 9014 [2024-11-19 10:02:20,851 INFO L226 Difference]: Without dead ends: 6831 [2024-11-19 10:02:20,858 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 3.8s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-19 10:02:20,859 INFO L432 NwaCegarLoop]: 28 mSDtfsCounter, 3916 mSDsluCounter, 196 mSDsCounter, 0 mSdLazyCounter, 353 mSolverCounterSat, 568 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.5s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3916 SdHoareTripleChecker+Valid, 224 SdHoareTripleChecker+Invalid, 921 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 568 IncrementalHoareTripleChecker+Valid, 353 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.6s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:20,859 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [3916 Valid, 224 Invalid, 921 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [568 Valid, 353 Invalid, 0 Unknown, 0 Unchecked, 0.6s Time] [2024-11-19 10:02:20,863 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2024-11-19 10:02:21,067 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6827. [2024-11-19 10:02:21,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6827 states, 6819 states have (on average 1.0131984161900571) internal successors, (6909), 6826 states have internal predecessors, (6909), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:21,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6827 states to 6827 states and 6909 transitions. [2024-11-19 10:02:21,087 INFO L78 Accepts]: Start accepts. Automaton has 6827 states and 6909 transitions. Word has length 151 [2024-11-19 10:02:21,087 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:21,087 INFO L471 AbstractCegarLoop]: Abstraction has 6827 states and 6909 transitions. [2024-11-19 10:02:21,088 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 52 states, 52 states have (on average 3.4423076923076925) internal successors, (179), 52 states have internal predecessors, (179), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:21,088 INFO L276 IsEmpty]: Start isEmpty. Operand 6827 states and 6909 transitions. [2024-11-19 10:02:21,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-19 10:02:21,090 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:21,090 INFO L215 NwaCegarLoop]: trace histogram [92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-19 10:02:21,110 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-19 10:02:21,294 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10,8 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:21,295 INFO L396 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:21,295 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:21,295 INFO L85 PathProgramCache]: Analyzing trace with hash 354692265, now seen corresponding path program 1 times [2024-11-19 10:02:21,295 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:21,295 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1321494459] [2024-11-19 10:02:21,295 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:21,296 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:21,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:21,624 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 0 proven. 6455 refuted. 0 times theorem prover too weak. 6306 trivial. 0 not checked. [2024-11-19 10:02:21,624 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:21,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1321494459] [2024-11-19 10:02:21,624 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1321494459] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:21,624 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1975582317] [2024-11-19 10:02:21,624 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:21,625 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:21,625 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:21,626 INFO L229 MonitoredProcess]: Starting monitored process 9 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:21,627 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-19 10:02:21,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:21,802 INFO L255 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-19 10:02:21,811 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:23,456 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 6448 proven. 3151 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-11-19 10:02:23,457 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:25,409 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 6448 proven. 3151 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-11-19 10:02:25,409 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1975582317] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:25,409 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:25,410 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 50, 50] total 100 [2024-11-19 10:02:25,410 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [272233098] [2024-11-19 10:02:25,410 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:25,410 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-19 10:02:25,411 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:25,412 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-19 10:02:25,414 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4663, Invalid=5237, Unknown=0, NotChecked=0, Total=9900 [2024-11-19 10:02:25,415 INFO L87 Difference]: Start difference. First operand 6827 states and 6909 transitions. Second operand has 100 states, 100 states have (on average 3.33) internal successors, (333), 100 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:36,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-19 10:02:36,391 INFO L93 Difference]: Finished difference Result 20424 states and 22312 transitions. [2024-11-19 10:02:36,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-11-19 10:02:36,392 INFO L78 Accepts]: Start accepts. Automaton has has 100 states, 100 states have (on average 3.33) internal successors, (333), 100 states have internal predecessors, (333), 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 301 [2024-11-19 10:02:36,393 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-19 10:02:36,431 INFO L225 Difference]: With dead ends: 20424 [2024-11-19 10:02:36,431 INFO L226 Difference]: Without dead ends: 13741 [2024-11-19 10:02:36,446 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22278 ImplicationChecksByTransitivity, 9.0s TimeCoverageRelationStatistics Valid=23473, Invalid=60337, Unknown=0, NotChecked=0, Total=83810 [2024-11-19 10:02:36,446 INFO L432 NwaCegarLoop]: 47 mSDtfsCounter, 5547 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 5547 SdHoareTripleChecker+Valid, 694 SdHoareTripleChecker+Invalid, 2121 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 805 IncrementalHoareTripleChecker+Valid, 1316 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1.3s IncrementalHoareTripleChecker+Time [2024-11-19 10:02:36,447 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [5547 Valid, 694 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.3s Time] [2024-11-19 10:02:36,457 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13741 states. [2024-11-19 10:02:36,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13741 to 13737. [2024-11-19 10:02:36,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13737 states, 13731 states have (on average 1.0064088558735707) internal successors, (13819), 13736 states have internal predecessors, (13819), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:36,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13737 states to 13737 states and 13819 transitions. [2024-11-19 10:02:36,983 INFO L78 Accepts]: Start accepts. Automaton has 13737 states and 13819 transitions. Word has length 301 [2024-11-19 10:02:36,983 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-19 10:02:36,983 INFO L471 AbstractCegarLoop]: Abstraction has 13737 states and 13819 transitions. [2024-11-19 10:02:36,984 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 100 states, 100 states have (on average 3.33) internal successors, (333), 100 states have internal predecessors, (333), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-11-19 10:02:36,984 INFO L276 IsEmpty]: Start isEmpty. Operand 13737 states and 13819 transitions. [2024-11-19 10:02:36,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2024-11-19 10:02:36,991 INFO L207 NwaCegarLoop]: Found error trace [2024-11-19 10:02:36,991 INFO L215 NwaCegarLoop]: trace histogram [188, 188, 188, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-19 10:02:37,005 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Ended with exit code 0 [2024-11-19 10:02:37,192 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 9 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable11 [2024-11-19 10:02:37,192 INFO L396 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 13 more)] === [2024-11-19 10:02:37,192 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-19 10:02:37,193 INFO L85 PathProgramCache]: Analyzing trace with hash 265468628, now seen corresponding path program 1 times [2024-11-19 10:02:37,193 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-19 10:02:37,193 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818143775] [2024-11-19 10:02:37,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:37,193 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-19 10:02:37,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:37,999 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 0 proven. 26712 refuted. 0 times theorem prover too weak. 26418 trivial. 0 not checked. [2024-11-19 10:02:37,999 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-19 10:02:37,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818143775] [2024-11-19 10:02:37,999 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818143775] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-19 10:02:37,999 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1565123456] [2024-11-19 10:02:38,000 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-19 10:02:38,000 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-19 10:02:38,000 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-19 10:02:38,001 INFO L229 MonitoredProcess]: Starting monitored process 10 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-11-19 10:02:38,003 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-19 10:02:38,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-19 10:02:38,332 INFO L255 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-19 10:02:38,338 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-11-19 10:02:42,288 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 26704 proven. 13207 refuted. 0 times theorem prover too weak. 13219 trivial. 0 not checked. [2024-11-19 10:02:42,288 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-11-19 10:02:49,190 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 26704 proven. 13207 refuted. 0 times theorem prover too weak. 13219 trivial. 0 not checked. [2024-11-19 10:02:49,191 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1565123456] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-19 10:02:49,191 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-19 10:02:49,191 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 98, 98] total 196 [2024-11-19 10:02:49,191 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [748709179] [2024-11-19 10:02:49,191 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-19 10:02:49,192 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-19 10:02:49,192 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-19 10:02:49,200 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-19 10:02:49,204 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18536, Invalid=19684, Unknown=0, NotChecked=0, Total=38220 [2024-11-19 10:02:49,208 INFO L87 Difference]: Start difference. First operand 13737 states and 13819 transitions. Second operand has 196 states, 196 states have (on average 3.173469387755102) internal successors, (622), 196 states have internal predecessors, (622), 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)