./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 8be7027f 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-wip.dk.perfect-tracechecks-8be7027-m [2024-11-12 16:40:22,832 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-11-12 16:40:22,904 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-11-12 16:40:22,911 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-11-12 16:40:22,912 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-11-12 16:40:22,954 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-11-12 16:40:22,955 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-11-12 16:40:22,956 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-11-12 16:40:22,957 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-11-12 16:40:22,958 INFO L153 SettingsManager]: * Use memory slicer=true [2024-11-12 16:40:22,958 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-11-12 16:40:22,958 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-11-12 16:40:22,959 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-11-12 16:40:22,961 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-11-12 16:40:22,961 INFO L153 SettingsManager]: * Use SBE=true [2024-11-12 16:40:22,962 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-11-12 16:40:22,962 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-11-12 16:40:22,962 INFO L153 SettingsManager]: * sizeof long=4 [2024-11-12 16:40:22,963 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-11-12 16:40:22,963 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-11-12 16:40:22,963 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-11-12 16:40:22,966 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-11-12 16:40:22,975 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-11-12 16:40:22,976 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-11-12 16:40:22,976 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-11-12 16:40:22,976 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-11-12 16:40:22,976 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-11-12 16:40:22,977 INFO L153 SettingsManager]: * sizeof long double=12 [2024-11-12 16:40:22,977 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-11-12 16:40:22,977 INFO L153 SettingsManager]: * Use constant arrays=true [2024-11-12 16:40:22,978 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-11-12 16:40:22,978 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-11-12 16:40:22,979 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-11-12 16:40:22,979 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-11-12 16:40:22,979 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:40:22,980 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-11-12 16:40:22,980 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-11-12 16:40:22,980 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-11-12 16:40:22,980 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-11-12 16:40:22,981 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-11-12 16:40:22,981 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-11-12 16:40:22,981 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-11-12 16:40:22,981 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-11-12 16:40:22,982 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-11-12 16:40:22,982 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 7e1c46a3eec085decec4254bf9381483b25ba7b6541d5728ae52d1793b9b8c91 [2024-11-12 16:40:23,238 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-11-12 16:40:23,265 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-11-12 16:40:23,267 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-11-12 16:40:23,268 INFO L270 PluginConnector]: Initializing CDTParser... [2024-11-12 16:40:23,269 INFO L274 PluginConnector]: CDTParser initialized [2024-11-12 16:40:23,270 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-12 16:40:24,670 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-11-12 16:40:24,851 INFO L384 CDTParser]: Found 1 translation units. [2024-11-12 16:40:24,852 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-multidimensional/init-4-n-u.c [2024-11-12 16:40:24,858 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b2f07b9/71a18122110e4e71aa6885ead05a500f/FLAG7ce4b692c [2024-11-12 16:40:25,247 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/68b2f07b9/71a18122110e4e71aa6885ead05a500f [2024-11-12 16:40:25,250 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-11-12 16:40:25,251 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-11-12 16:40:25,252 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-11-12 16:40:25,253 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-11-12 16:40:25,262 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-11-12 16:40:25,263 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,264 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62006257 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25, skipping insertion in model container [2024-11-12 16:40:25,264 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,289 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-11-12 16:40:25,498 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:40:25,513 INFO L200 MainTranslator]: Completed pre-run [2024-11-12 16:40:25,533 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-11-12 16:40:25,546 INFO L204 MainTranslator]: Completed translation [2024-11-12 16:40:25,547 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25 WrapperNode [2024-11-12 16:40:25,547 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-11-12 16:40:25,548 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-11-12 16:40:25,548 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-11-12 16:40:25,548 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-11-12 16:40:25,556 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,562 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,580 INFO L138 Inliner]: procedures = 14, calls = 14, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 115 [2024-11-12 16:40:25,580 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-11-12 16:40:25,581 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-11-12 16:40:25,583 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-11-12 16:40:25,584 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-11-12 16:40:25,593 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,594 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,596 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,612 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]. [2024-11-12 16:40:25,613 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,613 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,618 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,624 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,625 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,626 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,629 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-11-12 16:40:25,630 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-11-12 16:40:25,630 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-11-12 16:40:25,630 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-11-12 16:40:25,631 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (1/1) ... [2024-11-12 16:40:25,637 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-11-12 16:40:25,648 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:25,665 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) [2024-11-12 16:40:25,672 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 [2024-11-12 16:40:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-11-12 16:40:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-11-12 16:40:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-11-12 16:40:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-11-12 16:40:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-11-12 16:40:25,719 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-11-12 16:40:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-11-12 16:40:25,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-11-12 16:40:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-11-12 16:40:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-11-12 16:40:25,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-11-12 16:40:25,781 INFO L238 CfgBuilder]: Building ICFG [2024-11-12 16:40:25,782 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-11-12 16:40:26,014 INFO L? ?]: Removed 43 outVars from TransFormulas that were not future-live. [2024-11-12 16:40:26,015 INFO L287 CfgBuilder]: Performing block encoding [2024-11-12 16:40:26,032 INFO L311 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-11-12 16:40:26,033 INFO L316 CfgBuilder]: Removed 8 assume(true) statements. [2024-11-12 16:40:26,033 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:40:26 BoogieIcfgContainer [2024-11-12 16:40:26,037 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-11-12 16:40:26,040 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-11-12 16:40:26,041 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-11-12 16:40:26,044 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-11-12 16:40:26,045 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 12.11 04:40:25" (1/3) ... [2024-11-12 16:40:26,046 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3189cb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:40:26, skipping insertion in model container [2024-11-12 16:40:26,046 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 12.11 04:40:25" (2/3) ... [2024-11-12 16:40:26,047 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3189cb40 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 12.11 04:40:26, skipping insertion in model container [2024-11-12 16:40:26,048 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 12.11 04:40:26" (3/3) ... [2024-11-12 16:40:26,049 INFO L112 eAbstractionObserver]: Analyzing ICFG init-4-n-u.c [2024-11-12 16:40:26,066 INFO L214 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-11-12 16:40:26,067 INFO L154 ceAbstractionStarter]: Applying trace abstraction to program that has 16 error locations. [2024-11-12 16:40:26,129 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-11-12 16:40:26,135 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;@6b2c8aa4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-11-12 16:40:26,135 INFO L334 AbstractCegarLoop]: Starting to check reachability of 16 error locations. [2024-11-12 16:40:26,138 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) [2024-11-12 16:40:26,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2024-11-12 16:40:26,143 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:26,143 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1] [2024-11-12 16:40:26,144 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)] === [2024-11-12 16:40:26,149 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:26,149 INFO L85 PathProgramCache]: Analyzing trace with hash 28699922, now seen corresponding path program 1 times [2024-11-12 16:40:26,158 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:26,158 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1399031949] [2024-11-12 16:40:26,158 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:26,159 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:26,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:26,428 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:26,428 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:26,429 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1399031949] [2024-11-12 16:40:26,429 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1399031949] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:40:26,429 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:40:26,429 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:40:26,431 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1734167244] [2024-11-12 16:40:26,431 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:40:26,434 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:40:26,434 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:26,455 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:40:26,455 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:40:26,457 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) [2024-11-12 16:40:26,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:26,545 INFO L93 Difference]: Finished difference Result 128 states and 177 transitions. [2024-11-12 16:40:26,546 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:40:26,547 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 [2024-11-12 16:40:26,548 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:26,553 INFO L225 Difference]: With dead ends: 128 [2024-11-12 16:40:26,554 INFO L226 Difference]: Without dead ends: 73 [2024-11-12 16:40:26,556 INFO L434 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 [2024-11-12 16:40:26,559 INFO L435 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, 0.1s IncrementalHoareTripleChecker+Time [2024-11-12 16:40:26,560 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [84 Valid, 88 Invalid, 33 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 27 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-11-12 16:40:26,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 73 states. [2024-11-12 16:40:26,596 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 73 to 65. [2024-11-12 16:40:26,598 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) [2024-11-12 16:40:26,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 65 states to 65 states and 84 transitions. [2024-11-12 16:40:26,601 INFO L78 Accepts]: Start accepts. Automaton has 65 states and 84 transitions. Word has length 5 [2024-11-12 16:40:26,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:26,601 INFO L471 AbstractCegarLoop]: Abstraction has 65 states and 84 transitions. [2024-11-12 16:40:26,601 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) [2024-11-12 16:40:26,602 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 84 transitions. [2024-11-12 16:40:26,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-11-12 16:40:26,602 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:26,602 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:26,603 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-11-12 16:40:26,603 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)] === [2024-11-12 16:40:26,604 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:26,604 INFO L85 PathProgramCache]: Analyzing trace with hash 1810852219, now seen corresponding path program 1 times [2024-11-12 16:40:26,604 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:26,605 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1722208001] [2024-11-12 16:40:26,605 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:26,605 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:26,702 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:26,702 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:26,702 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1722208001] [2024-11-12 16:40:26,702 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1722208001] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:40:26,703 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:40:26,703 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:40:26,703 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1495198270] [2024-11-12 16:40:26,703 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:40:26,704 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:40:26,704 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:26,705 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:40:26,705 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:40:26,705 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) [2024-11-12 16:40:26,772 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:26,772 INFO L93 Difference]: Finished difference Result 144 states and 194 transitions. [2024-11-12 16:40:26,773 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:40:26,773 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 [2024-11-12 16:40:26,773 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:26,774 INFO L225 Difference]: With dead ends: 144 [2024-11-12 16:40:26,774 INFO L226 Difference]: Without dead ends: 81 [2024-11-12 16:40:26,775 INFO L434 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 [2024-11-12 16:40:26,776 INFO L435 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, 0.0s IncrementalHoareTripleChecker+Time [2024-11-12 16:40:26,777 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [61 Valid, 81 Invalid, 27 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [6 Valid, 21 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-11-12 16:40:26,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 81 states. [2024-11-12 16:40:26,785 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 81 to 81. [2024-11-12 16:40:26,786 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) [2024-11-12 16:40:26,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 81 states to 81 states and 100 transitions. [2024-11-12 16:40:26,788 INFO L78 Accepts]: Start accepts. Automaton has 81 states and 100 transitions. Word has length 7 [2024-11-12 16:40:26,788 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:26,788 INFO L471 AbstractCegarLoop]: Abstraction has 81 states and 100 transitions. [2024-11-12 16:40:26,788 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) [2024-11-12 16:40:26,788 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 100 transitions. [2024-11-12 16:40:26,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2024-11-12 16:40:26,789 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:26,789 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:26,789 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2024-11-12 16:40:26,789 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)] === [2024-11-12 16:40:26,790 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:26,790 INFO L85 PathProgramCache]: Analyzing trace with hash 765927003, now seen corresponding path program 1 times [2024-11-12 16:40:26,805 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:26,805 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [35508498] [2024-11-12 16:40:26,805 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:26,805 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:26,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:26,925 INFO L134 CoverageAnalysis]: Checked inductivity of 1 backedges. 1 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:26,926 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:26,926 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [35508498] [2024-11-12 16:40:26,926 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [35508498] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:40:26,926 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:40:26,927 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2024-11-12 16:40:26,927 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1780176075] [2024-11-12 16:40:26,927 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:40:26,927 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:40:26,927 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:26,928 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:40:26,928 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2024-11-12 16:40:26,928 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) [2024-11-12 16:40:27,006 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:27,007 INFO L93 Difference]: Finished difference Result 208 states and 266 transitions. [2024-11-12 16:40:27,009 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:40:27,009 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 [2024-11-12 16:40:27,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:27,011 INFO L225 Difference]: With dead ends: 208 [2024-11-12 16:40:27,013 INFO L226 Difference]: Without dead ends: 129 [2024-11-12 16:40:27,014 INFO L434 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 [2024-11-12 16:40:27,015 INFO L435 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 [2024-11-12 16:40:27,015 INFO L436 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] [2024-11-12 16:40:27,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 129 states. [2024-11-12 16:40:27,036 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 129 to 125. [2024-11-12 16:40:27,036 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) [2024-11-12 16:40:27,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 156 transitions. [2024-11-12 16:40:27,040 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 156 transitions. Word has length 9 [2024-11-12 16:40:27,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:27,041 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 156 transitions. [2024-11-12 16:40:27,041 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) [2024-11-12 16:40:27,041 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 156 transitions. [2024-11-12 16:40:27,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2024-11-12 16:40:27,041 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:27,041 INFO L218 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:27,042 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-11-12 16:40:27,042 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)] === [2024-11-12 16:40:27,042 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:27,042 INFO L85 PathProgramCache]: Analyzing trace with hash -1984038952, now seen corresponding path program 1 times [2024-11-12 16:40:27,042 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:27,043 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1994053618] [2024-11-12 16:40:27,043 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:27,043 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:27,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:27,171 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:27,172 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:27,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1994053618] [2024-11-12 16:40:27,172 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1994053618] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:27,172 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1186288720] [2024-11-12 16:40:27,173 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:27,173 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:27,173 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:27,175 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) [2024-11-12 16:40:27,177 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-11-12 16:40:27,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:27,245 INFO L256 TraceCheckSpWp]: Trace formula consists of 81 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:40:27,249 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:27,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:27,293 INFO L308 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-11-12 16:40:27,294 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1186288720] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:40:27,294 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-11-12 16:40:27,294 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 4 [2024-11-12 16:40:27,295 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1215219684] [2024-11-12 16:40:27,295 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:40:27,295 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-11-12 16:40:27,295 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:27,296 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-11-12 16:40:27,296 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-11-12 16:40:27,296 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) [2024-11-12 16:40:27,352 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:27,354 INFO L93 Difference]: Finished difference Result 125 states and 156 transitions. [2024-11-12 16:40:27,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-11-12 16:40:27,355 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 [2024-11-12 16:40:27,355 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:27,359 INFO L225 Difference]: With dead ends: 125 [2024-11-12 16:40:27,359 INFO L226 Difference]: Without dead ends: 123 [2024-11-12 16:40:27,359 INFO L434 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 [2024-11-12 16:40:27,360 INFO L435 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 [2024-11-12 16:40:27,361 INFO L436 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] [2024-11-12 16:40:27,362 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 123 states. [2024-11-12 16:40:27,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 123 to 123. [2024-11-12 16:40:27,380 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) [2024-11-12 16:40:27,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 148 transitions. [2024-11-12 16:40:27,381 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 148 transitions. Word has length 10 [2024-11-12 16:40:27,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:27,382 INFO L471 AbstractCegarLoop]: Abstraction has 123 states and 148 transitions. [2024-11-12 16:40:27,382 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) [2024-11-12 16:40:27,382 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 148 transitions. [2024-11-12 16:40:27,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2024-11-12 16:40:27,383 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:27,383 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:27,403 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-11-12 16:40:27,583 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 [2024-11-12 16:40:27,584 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)] === [2024-11-12 16:40:27,584 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:27,585 INFO L85 PathProgramCache]: Analyzing trace with hash -1375665296, now seen corresponding path program 1 times [2024-11-12 16:40:27,585 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:27,585 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1358992666] [2024-11-12 16:40:27,585 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:27,585 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:27,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:27,660 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:27,660 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:27,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1358992666] [2024-11-12 16:40:27,660 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1358992666] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:27,660 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1200809528] [2024-11-12 16:40:27,660 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:27,661 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:27,661 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:27,667 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) [2024-11-12 16:40:27,674 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-11-12 16:40:27,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:27,733 INFO L256 TraceCheckSpWp]: Trace formula consists of 82 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:40:27,734 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:27,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:27,762 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-11-12 16:40:27,803 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1200809528] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:27,803 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:27,803 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-11-12 16:40:27,803 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1360115733] [2024-11-12 16:40:27,803 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:27,804 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-11-12 16:40:27,804 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:27,807 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-11-12 16:40:27,807 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-11-12 16:40:27,807 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) [2024-11-12 16:40:27,889 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:27,889 INFO L93 Difference]: Finished difference Result 221 states and 292 transitions. [2024-11-12 16:40:27,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-11-12 16:40:27,890 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 [2024-11-12 16:40:27,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:27,891 INFO L225 Difference]: With dead ends: 221 [2024-11-12 16:40:27,892 INFO L226 Difference]: Without dead ends: 219 [2024-11-12 16:40:27,893 INFO L434 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 [2024-11-12 16:40:27,894 INFO L435 NwaCegarLoop]: 42 mSDtfsCounter, 24 mSDsluCounter, 82 mSDsCounter, 0 mSdLazyCounter, 46 mSolverCounterSat, 10 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s 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 [2024-11-12 16:40:27,894 INFO L436 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] [2024-11-12 16:40:27,897 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 219 states. [2024-11-12 16:40:27,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 219 to 219. [2024-11-12 16:40:27,920 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) [2024-11-12 16:40:27,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 268 transitions. [2024-11-12 16:40:27,921 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 268 transitions. Word has length 11 [2024-11-12 16:40:27,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:27,926 INFO L471 AbstractCegarLoop]: Abstraction has 219 states and 268 transitions. [2024-11-12 16:40:27,926 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) [2024-11-12 16:40:27,926 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 268 transitions. [2024-11-12 16:40:27,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2024-11-12 16:40:27,927 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:27,927 INFO L218 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:27,944 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-11-12 16:40:28,127 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 [2024-11-12 16:40:28,128 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)] === [2024-11-12 16:40:28,128 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:28,128 INFO L85 PathProgramCache]: Analyzing trace with hash 2047707096, now seen corresponding path program 1 times [2024-11-12 16:40:28,128 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:28,129 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1448194072] [2024-11-12 16:40:28,129 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:28,129 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:28,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:28,170 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2024-11-12 16:40:28,170 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:28,170 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1448194072] [2024-11-12 16:40:28,171 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1448194072] provided 1 perfect and 0 imperfect interpolant sequences [2024-11-12 16:40:28,171 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-11-12 16:40:28,171 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-11-12 16:40:28,171 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1262759198] [2024-11-12 16:40:28,171 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-11-12 16:40:28,171 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-11-12 16:40:28,171 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:28,172 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-11-12 16:40:28,172 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-11-12 16:40:28,172 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) [2024-11-12 16:40:28,225 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:28,225 INFO L93 Difference]: Finished difference Result 435 states and 533 transitions. [2024-11-12 16:40:28,225 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-11-12 16:40:28,225 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 [2024-11-12 16:40:28,226 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:28,227 INFO L225 Difference]: With dead ends: 435 [2024-11-12 16:40:28,227 INFO L226 Difference]: Without dead ends: 431 [2024-11-12 16:40:28,228 INFO L434 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 [2024-11-12 16:40:28,228 INFO L435 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 [2024-11-12 16:40:28,229 INFO L436 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] [2024-11-12 16:40:28,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 431 states. [2024-11-12 16:40:28,297 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 431 to 421. [2024-11-12 16:40:28,299 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) [2024-11-12 16:40:28,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 529 transitions. [2024-11-12 16:40:28,303 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 529 transitions. Word has length 16 [2024-11-12 16:40:28,303 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:28,303 INFO L471 AbstractCegarLoop]: Abstraction has 421 states and 529 transitions. [2024-11-12 16:40:28,303 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) [2024-11-12 16:40:28,303 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 529 transitions. [2024-11-12 16:40:28,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2024-11-12 16:40:28,305 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:28,305 INFO L218 NwaCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:28,306 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2024-11-12 16:40:28,306 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)] === [2024-11-12 16:40:28,306 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:28,306 INFO L85 PathProgramCache]: Analyzing trace with hash -903561788, now seen corresponding path program 1 times [2024-11-12 16:40:28,306 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:28,307 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1381283446] [2024-11-12 16:40:28,307 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:28,308 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:28,390 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:40:28,390 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:28,390 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1381283446] [2024-11-12 16:40:28,391 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1381283446] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:28,391 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [788373961] [2024-11-12 16:40:28,391 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:28,391 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:28,391 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:28,393 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) [2024-11-12 16:40:28,395 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-11-12 16:40:28,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:28,459 INFO L256 TraceCheckSpWp]: Trace formula consists of 94 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-11-12 16:40:28,460 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:28,514 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:40:28,514 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:28,559 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 1 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2024-11-12 16:40:28,560 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [788373961] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:28,560 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:28,560 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 5, 5] total 10 [2024-11-12 16:40:28,560 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [88933934] [2024-11-12 16:40:28,560 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:28,561 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2024-11-12 16:40:28,561 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:28,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2024-11-12 16:40:28,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=62, Unknown=0, NotChecked=0, Total=90 [2024-11-12 16:40:28,562 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) [2024-11-12 16:40:28,883 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:28,883 INFO L93 Difference]: Finished difference Result 822 states and 1032 transitions. [2024-11-12 16:40:28,884 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2024-11-12 16:40:28,884 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 [2024-11-12 16:40:28,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:28,886 INFO L225 Difference]: With dead ends: 822 [2024-11-12 16:40:28,886 INFO L226 Difference]: Without dead ends: 421 [2024-11-12 16:40:28,890 INFO L434 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 [2024-11-12 16:40:28,891 INFO L435 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, 0.2s IncrementalHoareTripleChecker+Time [2024-11-12 16:40:28,891 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [215 Valid, 146 Invalid, 189 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [29 Valid, 160 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-11-12 16:40:28,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 421 states. [2024-11-12 16:40:28,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 421 to 419. [2024-11-12 16:40:28,928 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) [2024-11-12 16:40:28,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 419 states to 419 states and 473 transitions. [2024-11-12 16:40:28,930 INFO L78 Accepts]: Start accepts. Automaton has 419 states and 473 transitions. Word has length 17 [2024-11-12 16:40:28,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:28,930 INFO L471 AbstractCegarLoop]: Abstraction has 419 states and 473 transitions. [2024-11-12 16:40:28,930 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) [2024-11-12 16:40:28,930 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 473 transitions. [2024-11-12 16:40:28,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2024-11-12 16:40:28,931 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:28,931 INFO L218 NwaCegarLoop]: trace histogram [5, 5, 4, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:28,948 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-11-12 16:40:29,131 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 [2024-11-12 16:40:29,132 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)] === [2024-11-12 16:40:29,132 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:29,132 INFO L85 PathProgramCache]: Analyzing trace with hash 1645871190, now seen corresponding path program 2 times [2024-11-12 16:40:29,132 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:29,132 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1829047294] [2024-11-12 16:40:29,132 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:29,133 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:29,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:29,212 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 16:40:29,213 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:29,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1829047294] [2024-11-12 16:40:29,213 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1829047294] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:29,213 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [443693176] [2024-11-12 16:40:29,213 INFO L95 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-11-12 16:40:29,213 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:29,213 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:29,215 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) [2024-11-12 16:40:29,219 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-11-12 16:40:29,275 INFO L229 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 1 check-sat command(s) [2024-11-12 16:40:29,276 INFO L230 tOrderPrioritization]: Conjunction of SSA is unsat [2024-11-12 16:40:29,276 INFO L256 TraceCheckSpWp]: Trace formula consists of 73 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-11-12 16:40:29,277 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:29,303 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 16:40:29,304 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:29,339 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2024-11-12 16:40:29,340 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [443693176] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:29,340 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:29,340 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 5 [2024-11-12 16:40:29,340 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1205512702] [2024-11-12 16:40:29,340 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:29,341 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 6 states [2024-11-12 16:40:29,341 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:29,341 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2024-11-12 16:40:29,341 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2024-11-12 16:40:29,342 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) [2024-11-12 16:40:29,396 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:29,396 INFO L93 Difference]: Finished difference Result 419 states and 473 transitions. [2024-11-12 16:40:29,397 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2024-11-12 16:40:29,397 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 [2024-11-12 16:40:29,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:29,399 INFO L225 Difference]: With dead ends: 419 [2024-11-12 16:40:29,399 INFO L226 Difference]: Without dead ends: 417 [2024-11-12 16:40:29,400 INFO L434 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 [2024-11-12 16:40:29,400 INFO L435 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 [2024-11-12 16:40:29,401 INFO L436 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] [2024-11-12 16:40:29,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 417 states. [2024-11-12 16:40:29,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 417 to 369. [2024-11-12 16:40:29,423 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) [2024-11-12 16:40:29,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 369 states to 369 states and 409 transitions. [2024-11-12 16:40:29,425 INFO L78 Accepts]: Start accepts. Automaton has 369 states and 409 transitions. Word has length 20 [2024-11-12 16:40:29,425 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:29,425 INFO L471 AbstractCegarLoop]: Abstraction has 369 states and 409 transitions. [2024-11-12 16:40:29,425 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) [2024-11-12 16:40:29,425 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 409 transitions. [2024-11-12 16:40:29,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2024-11-12 16:40:29,427 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:29,427 INFO L218 NwaCegarLoop]: trace histogram [8, 8, 8, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:29,444 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Ended with exit code 0 [2024-11-12 16:40:29,627 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 [2024-11-12 16:40:29,628 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)] === [2024-11-12 16:40:29,629 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:29,629 INFO L85 PathProgramCache]: Analyzing trace with hash 1271144701, now seen corresponding path program 1 times [2024-11-12 16:40:29,629 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:29,629 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [521546864] [2024-11-12 16:40:29,629 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:29,629 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:29,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:29,736 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 0 proven. 60 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2024-11-12 16:40:29,736 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:29,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [521546864] [2024-11-12 16:40:29,737 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [521546864] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:29,737 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1150248793] [2024-11-12 16:40:29,737 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:29,737 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:29,737 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:29,739 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) [2024-11-12 16:40:29,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-11-12 16:40:29,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:29,819 INFO L256 TraceCheckSpWp]: Trace formula consists of 149 conjuncts, 7 conjuncts are in the unsatisfiable core [2024-11-12 16:40:29,821 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:29,941 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 16:40:29,941 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:30,036 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 58 proven. 22 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2024-11-12 16:40:30,036 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1150248793] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:30,036 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:30,036 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 8, 8] total 16 [2024-11-12 16:40:30,036 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1848571789] [2024-11-12 16:40:30,036 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:30,037 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 16 states [2024-11-12 16:40:30,037 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:30,037 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2024-11-12 16:40:30,037 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2024-11-12 16:40:30,037 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) [2024-11-12 16:40:30,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:30,688 INFO L93 Difference]: Finished difference Result 1456 states and 1702 transitions. [2024-11-12 16:40:30,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2024-11-12 16:40:30,688 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 [2024-11-12 16:40:30,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:30,692 INFO L225 Difference]: With dead ends: 1456 [2024-11-12 16:40:30,693 INFO L226 Difference]: Without dead ends: 1105 [2024-11-12 16:40:30,694 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 100 GetRequests, 59 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 468 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=643, Invalid=1163, Unknown=0, NotChecked=0, Total=1806 [2024-11-12 16:40:30,695 INFO L435 NwaCegarLoop]: 30 mSDtfsCounter, 770 mSDsluCounter, 155 mSDsCounter, 0 mSdLazyCounter, 140 mSolverCounterSat, 91 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.2s 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 [2024-11-12 16:40:30,695 INFO L436 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] [2024-11-12 16:40:30,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1105 states. [2024-11-12 16:40:30,760 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1105 to 1105. [2024-11-12 16:40:30,762 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) [2024-11-12 16:40:30,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 1105 states and 1161 transitions. [2024-11-12 16:40:30,765 INFO L78 Accepts]: Start accepts. Automaton has 1105 states and 1161 transitions. Word has length 36 [2024-11-12 16:40:30,765 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:30,765 INFO L471 AbstractCegarLoop]: Abstraction has 1105 states and 1161 transitions. [2024-11-12 16:40:30,765 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) [2024-11-12 16:40:30,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1105 states and 1161 transitions. [2024-11-12 16:40:30,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2024-11-12 16:40:30,771 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:30,771 INFO L218 NwaCegarLoop]: trace histogram [20, 20, 20, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1] [2024-11-12 16:40:30,789 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2024-11-12 16:40:30,971 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 [2024-11-12 16:40:30,972 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)] === [2024-11-12 16:40:30,973 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:30,973 INFO L85 PathProgramCache]: Analyzing trace with hash -1354818353, now seen corresponding path program 1 times [2024-11-12 16:40:30,973 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:30,973 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [53698310] [2024-11-12 16:40:30,973 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:30,973 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:31,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:31,108 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 0 proven. 329 refuted. 0 times theorem prover too weak. 292 trivial. 0 not checked. [2024-11-12 16:40:31,108 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:31,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [53698310] [2024-11-12 16:40:31,108 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [53698310] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:31,108 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2049399092] [2024-11-12 16:40:31,108 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:31,108 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:31,108 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:31,111 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) [2024-11-12 16:40:31,112 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2024-11-12 16:40:31,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:31,216 INFO L256 TraceCheckSpWp]: Trace formula consists of 271 conjuncts, 13 conjuncts are in the unsatisfiable core [2024-11-12 16:40:31,219 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:31,450 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-12 16:40:31,450 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:31,694 INFO L134 CoverageAnalysis]: Checked inductivity of 621 backedges. 325 proven. 145 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2024-11-12 16:40:31,694 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2049399092] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:31,694 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:31,694 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 14, 14] total 28 [2024-11-12 16:40:31,695 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1715555615] [2024-11-12 16:40:31,695 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:31,695 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 28 states [2024-11-12 16:40:31,695 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:31,696 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 28 interpolants. [2024-11-12 16:40:31,696 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-11-12 16:40:31,696 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) [2024-11-12 16:40:33,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:33,191 INFO L93 Difference]: Finished difference Result 3326 states and 3724 transitions. [2024-11-12 16:40:33,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2024-11-12 16:40:33,191 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 [2024-11-12 16:40:33,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:33,201 INFO L225 Difference]: With dead ends: 3326 [2024-11-12 16:40:33,201 INFO L226 Difference]: Without dead ends: 2257 [2024-11-12 16:40:33,205 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 131 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1254 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=1549, Invalid=3853, Unknown=0, NotChecked=0, Total=5402 [2024-11-12 16:40:33,205 INFO L435 NwaCegarLoop]: 38 mSDtfsCounter, 1028 mSDsluCounter, 279 mSDsCounter, 0 mSdLazyCounter, 431 mSolverCounterSat, 169 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.4s 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, 0.5s IncrementalHoareTripleChecker+Time [2024-11-12 16:40:33,206 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [1028 Valid, 317 Invalid, 600 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [169 Valid, 431 Invalid, 0 Unknown, 0 Unchecked, 0.5s Time] [2024-11-12 16:40:33,209 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2257 states. [2024-11-12 16:40:33,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2257 to 2255. [2024-11-12 16:40:33,294 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) [2024-11-12 16:40:33,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 2255 states and 2309 transitions. [2024-11-12 16:40:33,300 INFO L78 Accepts]: Start accepts. Automaton has 2255 states and 2309 transitions. Word has length 78 [2024-11-12 16:40:33,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:33,301 INFO L471 AbstractCegarLoop]: Abstraction has 2255 states and 2309 transitions. [2024-11-12 16:40:33,301 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) [2024-11-12 16:40:33,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2309 transitions. [2024-11-12 16:40:33,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2024-11-12 16:40:33,303 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:33,303 INFO L218 NwaCegarLoop]: trace histogram [44, 44, 44, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 16:40:33,320 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Ended with exit code 0 [2024-11-12 16:40:33,503 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 [2024-11-12 16:40:33,504 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)] === [2024-11-12 16:40:33,505 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:33,506 INFO L85 PathProgramCache]: Analyzing trace with hash -863250329, now seen corresponding path program 1 times [2024-11-12 16:40:33,506 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:33,506 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1537549865] [2024-11-12 16:40:33,506 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:33,506 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:33,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 0 proven. 1506 refuted. 0 times theorem prover too weak. 1432 trivial. 0 not checked. [2024-11-12 16:40:33,796 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:33,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1537549865] [2024-11-12 16:40:33,796 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1537549865] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:33,796 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1813183223] [2024-11-12 16:40:33,796 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:33,796 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:33,797 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:33,801 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) [2024-11-12 16:40:33,803 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Waiting until timeout for monitored process [2024-11-12 16:40:33,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:33,940 INFO L256 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 25 conjuncts are in the unsatisfiable core [2024-11-12 16:40:33,944 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:34,517 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-12 16:40:34,517 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:35,152 INFO L134 CoverageAnalysis]: Checked inductivity of 2938 backedges. 1501 proven. 715 refuted. 0 times theorem prover too weak. 722 trivial. 0 not checked. [2024-11-12 16:40:35,152 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1813183223] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:35,152 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:35,152 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 26, 26] total 52 [2024-11-12 16:40:35,153 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2112192541] [2024-11-12 16:40:35,153 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:35,153 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 52 states [2024-11-12 16:40:35,153 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:35,154 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 52 interpolants. [2024-11-12 16:40:35,155 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=1184, Invalid=1468, Unknown=0, NotChecked=0, Total=2652 [2024-11-12 16:40:35,155 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) [2024-11-12 16:40:40,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:40,075 INFO L93 Difference]: Finished difference Result 9014 states and 10012 transitions. [2024-11-12 16:40:40,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 143 states. [2024-11-12 16:40:40,076 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 [2024-11-12 16:40:40,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:40,099 INFO L225 Difference]: With dead ends: 9014 [2024-11-12 16:40:40,100 INFO L226 Difference]: Without dead ends: 6831 [2024-11-12 16:40:40,109 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 420 GetRequests, 253 SyntacticMatches, 0 SemanticMatches, 167 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9180 ImplicationChecksByTransitivity, 4.3s TimeCoverageRelationStatistics Valid=9913, Invalid=18479, Unknown=0, NotChecked=0, Total=28392 [2024-11-12 16:40:40,110 INFO L435 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 [2024-11-12 16:40:40,110 INFO L436 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] [2024-11-12 16:40:40,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6831 states. [2024-11-12 16:40:40,430 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6831 to 6827. [2024-11-12 16:40:40,441 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) [2024-11-12 16:40:40,460 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6827 states to 6827 states and 6909 transitions. [2024-11-12 16:40:40,463 INFO L78 Accepts]: Start accepts. Automaton has 6827 states and 6909 transitions. Word has length 151 [2024-11-12 16:40:40,463 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:40,464 INFO L471 AbstractCegarLoop]: Abstraction has 6827 states and 6909 transitions. [2024-11-12 16:40:40,464 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) [2024-11-12 16:40:40,464 INFO L276 IsEmpty]: Start isEmpty. Operand 6827 states and 6909 transitions. [2024-11-12 16:40:40,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2024-11-12 16:40:40,473 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:40,473 INFO L218 NwaCegarLoop]: trace histogram [92, 92, 92, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1] [2024-11-12 16:40:40,493 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (8)] Ended with exit code 0 [2024-11-12 16:40:40,674 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 [2024-11-12 16:40:40,675 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)] === [2024-11-12 16:40:40,675 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:40,675 INFO L85 PathProgramCache]: Analyzing trace with hash 354692265, now seen corresponding path program 1 times [2024-11-12 16:40:40,675 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:40,676 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1964108629] [2024-11-12 16:40:40,676 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:40,676 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:40,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:41,104 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 0 proven. 6455 refuted. 0 times theorem prover too weak. 6306 trivial. 0 not checked. [2024-11-12 16:40:41,104 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:41,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1964108629] [2024-11-12 16:40:41,105 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1964108629] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:41,105 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [809415158] [2024-11-12 16:40:41,105 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:41,105 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:41,105 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:41,107 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) [2024-11-12 16:40:41,108 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Waiting until timeout for monitored process [2024-11-12 16:40:41,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:41,339 INFO L256 TraceCheckSpWp]: Trace formula consists of 936 conjuncts, 49 conjuncts are in the unsatisfiable core [2024-11-12 16:40:41,345 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:40:42,789 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 6448 proven. 3151 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-11-12 16:40:42,789 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:40:44,950 INFO L134 CoverageAnalysis]: Checked inductivity of 12761 backedges. 6448 proven. 3151 refuted. 0 times theorem prover too weak. 3162 trivial. 0 not checked. [2024-11-12 16:40:44,950 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [809415158] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:40:44,951 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:40:44,951 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 50, 50] total 100 [2024-11-12 16:40:44,951 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726041585] [2024-11-12 16:40:44,951 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:40:44,953 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 100 states [2024-11-12 16:40:44,953 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:40:44,955 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 100 interpolants. [2024-11-12 16:40:44,958 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=4663, Invalid=5237, Unknown=0, NotChecked=0, Total=9900 [2024-11-12 16:40:44,958 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) [2024-11-12 16:40:56,558 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-11-12 16:40:56,559 INFO L93 Difference]: Finished difference Result 20424 states and 22312 transitions. [2024-11-12 16:40:56,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 193 states. [2024-11-12 16:40:56,559 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 [2024-11-12 16:40:56,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-11-12 16:40:56,666 INFO L225 Difference]: With dead ends: 20424 [2024-11-12 16:40:56,666 INFO L226 Difference]: Without dead ends: 13741 [2024-11-12 16:40:56,687 INFO L434 NwaCegarLoop]: 0 DeclaredPredicates, 793 GetRequests, 505 SyntacticMatches, 0 SemanticMatches, 288 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22278 ImplicationChecksByTransitivity, 10.0s TimeCoverageRelationStatistics Valid=23473, Invalid=60337, Unknown=0, NotChecked=0, Total=83810 [2024-11-12 16:40:56,688 INFO L435 NwaCegarLoop]: 47 mSDtfsCounter, 5547 mSDsluCounter, 647 mSDsCounter, 0 mSdLazyCounter, 1316 mSolverCounterSat, 805 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1.2s 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, 1.4s IncrementalHoareTripleChecker+Time [2024-11-12 16:40:56,688 INFO L436 NwaCegarLoop]: SdHoareTripleChecker [5547 Valid, 694 Invalid, 2121 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [805 Valid, 1316 Invalid, 0 Unknown, 0 Unchecked, 1.4s Time] [2024-11-12 16:40:56,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13741 states. [2024-11-12 16:40:57,348 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13741 to 13737. [2024-11-12 16:40:57,368 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) [2024-11-12 16:40:57,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13737 states to 13737 states and 13819 transitions. [2024-11-12 16:40:57,399 INFO L78 Accepts]: Start accepts. Automaton has 13737 states and 13819 transitions. Word has length 301 [2024-11-12 16:40:57,400 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-11-12 16:40:57,400 INFO L471 AbstractCegarLoop]: Abstraction has 13737 states and 13819 transitions. [2024-11-12 16:40:57,400 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) [2024-11-12 16:40:57,401 INFO L276 IsEmpty]: Start isEmpty. Operand 13737 states and 13819 transitions. [2024-11-12 16:40:57,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 591 [2024-11-12 16:40:57,411 INFO L210 NwaCegarLoop]: Found error trace [2024-11-12 16:40:57,412 INFO L218 NwaCegarLoop]: trace histogram [188, 188, 188, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1] [2024-11-12 16:40:57,432 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (9)] Forceful destruction successful, exit code 0 [2024-11-12 16:40:57,615 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 [2024-11-12 16:40:57,616 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)] === [2024-11-12 16:40:57,617 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-11-12 16:40:57,617 INFO L85 PathProgramCache]: Analyzing trace with hash 265468628, now seen corresponding path program 1 times [2024-11-12 16:40:57,617 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-11-12 16:40:57,619 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [207058344] [2024-11-12 16:40:57,619 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:57,619 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-11-12 16:40:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:58,371 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 0 proven. 26712 refuted. 0 times theorem prover too weak. 26418 trivial. 0 not checked. [2024-11-12 16:40:58,372 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-11-12 16:40:58,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [207058344] [2024-11-12 16:40:58,372 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [207058344] provided 0 perfect and 1 imperfect interpolant sequences [2024-11-12 16:40:58,372 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1508584963] [2024-11-12 16:40:58,372 INFO L97 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-11-12 16:40:58,372 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-11-12 16:40:58,372 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-11-12 16:40:58,376 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) [2024-11-12 16:40:58,378 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (10)] Waiting until timeout for monitored process [2024-11-12 16:40:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-11-12 16:40:58,786 INFO L256 TraceCheckSpWp]: Trace formula consists of 1801 conjuncts, 97 conjuncts are in the unsatisfiable core [2024-11-12 16:40:58,794 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2024-11-12 16:41:03,145 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 26704 proven. 13207 refuted. 0 times theorem prover too weak. 13219 trivial. 0 not checked. [2024-11-12 16:41:03,145 INFO L312 TraceCheckSpWp]: Computing backward predicates... [2024-11-12 16:41:10,451 INFO L134 CoverageAnalysis]: Checked inductivity of 53130 backedges. 26704 proven. 13207 refuted. 0 times theorem prover too weak. 13219 trivial. 0 not checked. [2024-11-12 16:41:10,452 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1508584963] provided 0 perfect and 2 imperfect interpolant sequences [2024-11-12 16:41:10,452 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-11-12 16:41:10,452 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 98, 98] total 196 [2024-11-12 16:41:10,453 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [656325051] [2024-11-12 16:41:10,453 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-11-12 16:41:10,454 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 196 states [2024-11-12 16:41:10,454 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-11-12 16:41:10,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 196 interpolants. [2024-11-12 16:41:10,465 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18536, Invalid=19684, Unknown=0, NotChecked=0, Total=38220 [2024-11-12 16:41:10,466 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)