./Ultimate.py --spec /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/properties/no-overflow.prp --file /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init8_ground-2.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for overflows Using default analysis Version a046e57d Calling Ultimate with: /root/.sdkman/candidates/java/current/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init8_ground-2.i -s /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! overflow) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 304c65cce38dcde111270a7f4e691d93e4778f0053e0e11304f731e521a0e8b2 --- Real Ultimate output --- This is Ultimate 0.2.5-tmp.dk.eval-mul-div-a046e57-m [2024-10-13 12:51:23,938 INFO L188 SettingsManager]: Resetting all preferences to default values... [2024-10-13 12:51:23,997 INFO L114 SettingsManager]: Loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Overflow-32bit-Automizer_Default.epf [2024-10-13 12:51:24,002 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2024-10-13 12:51:24,004 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2024-10-13 12:51:24,037 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2024-10-13 12:51:24,038 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2024-10-13 12:51:24,038 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2024-10-13 12:51:24,039 INFO L151 SettingsManager]: Preferences of Boogie Preprocessor differ from their defaults: [2024-10-13 12:51:24,044 INFO L153 SettingsManager]: * Use memory slicer=true [2024-10-13 12:51:24,044 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2024-10-13 12:51:24,044 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2024-10-13 12:51:24,045 INFO L151 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2024-10-13 12:51:24,045 INFO L153 SettingsManager]: * Create parallel compositions if possible=false [2024-10-13 12:51:24,045 INFO L153 SettingsManager]: * Use SBE=true [2024-10-13 12:51:24,045 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2024-10-13 12:51:24,046 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2024-10-13 12:51:24,046 INFO L153 SettingsManager]: * sizeof long=4 [2024-10-13 12:51:24,046 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2024-10-13 12:51:24,046 INFO L153 SettingsManager]: * sizeof POINTER=4 [2024-10-13 12:51:24,046 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2024-10-13 12:51:24,049 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2024-10-13 12:51:24,049 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2024-10-13 12:51:24,049 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2024-10-13 12:51:24,049 INFO L153 SettingsManager]: * Allow undefined functions=false [2024-10-13 12:51:24,049 INFO L153 SettingsManager]: * Check absence of signed integer overflows=ASSERTandASSUME [2024-10-13 12:51:24,049 INFO L153 SettingsManager]: * Check unreachability of reach_error function=false [2024-10-13 12:51:24,050 INFO L153 SettingsManager]: * sizeof long double=12 [2024-10-13 12:51:24,050 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2024-10-13 12:51:24,050 INFO L153 SettingsManager]: * Use constant arrays=true [2024-10-13 12:51:24,050 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2024-10-13 12:51:24,050 INFO L153 SettingsManager]: * Size of a code block=SequenceOfStatements [2024-10-13 12:51:24,051 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2024-10-13 12:51:24,051 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2024-10-13 12:51:24,051 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:51:24,051 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2024-10-13 12:51:24,051 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2024-10-13 12:51:24,052 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2024-10-13 12:51:24,052 INFO L153 SettingsManager]: * Trace refinement strategy=CAMEL [2024-10-13 12:51:24,053 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2024-10-13 12:51:24,053 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2024-10-13 12:51:24,054 INFO L153 SettingsManager]: * Automaton type used in concurrency analysis=PETRI_NET [2024-10-13 12:51:24,054 INFO L153 SettingsManager]: * Order on configurations for Petri net unfoldings=DBO [2024-10-13 12:51:24,054 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2024-10-13 12:51:24,054 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! overflow) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 304c65cce38dcde111270a7f4e691d93e4778f0053e0e11304f731e521a0e8b2 [2024-10-13 12:51:24,289 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2024-10-13 12:51:24,313 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2024-10-13 12:51:24,318 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2024-10-13 12:51:24,319 INFO L270 PluginConnector]: Initializing CDTParser... [2024-10-13 12:51:24,319 INFO L274 PluginConnector]: CDTParser initialized [2024-10-13 12:51:24,320 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init8_ground-2.i [2024-10-13 12:51:25,756 INFO L533 CDTParser]: Created temporary CDT project at NULL [2024-10-13 12:51:25,929 INFO L384 CDTParser]: Found 1 translation units. [2024-10-13 12:51:25,930 INFO L180 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/array-examples/standard_init8_ground-2.i [2024-10-13 12:51:25,937 INFO L427 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/990e2880d/6c1f0d8fd2d64cd1bc8d9691996960ab/FLAGfe91c9279 [2024-10-13 12:51:25,949 INFO L435 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/990e2880d/6c1f0d8fd2d64cd1bc8d9691996960ab [2024-10-13 12:51:25,951 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2024-10-13 12:51:25,952 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2024-10-13 12:51:25,953 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2024-10-13 12:51:25,953 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2024-10-13 12:51:25,958 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2024-10-13 12:51:25,959 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:25" (1/1) ... [2024-10-13 12:51:25,959 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5f7a7505 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:25, skipping insertion in model container [2024-10-13 12:51:25,959 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 13.10 12:51:25" (1/1) ... [2024-10-13 12:51:25,977 INFO L175 MainTranslator]: Built tables and reachable declarations [2024-10-13 12:51:26,139 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:51:26,147 INFO L200 MainTranslator]: Completed pre-run [2024-10-13 12:51:26,167 INFO L210 PostProcessor]: Analyzing one entry point: main [2024-10-13 12:51:26,183 INFO L204 MainTranslator]: Completed translation [2024-10-13 12:51:26,183 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26 WrapperNode [2024-10-13 12:51:26,183 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2024-10-13 12:51:26,184 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2024-10-13 12:51:26,185 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2024-10-13 12:51:26,185 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2024-10-13 12:51:26,191 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,201 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,228 INFO L138 Inliner]: procedures = 15, calls = 20, calls flagged for inlining = 4, calls inlined = 4, statements flattened = 108 [2024-10-13 12:51:26,229 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2024-10-13 12:51:26,230 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2024-10-13 12:51:26,230 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2024-10-13 12:51:26,230 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2024-10-13 12:51:26,241 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,242 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,245 INFO L184 PluginConnector]: Executing the observer MemorySlicer from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,263 INFO L175 MemorySlicer]: Split 11 memory accesses to 2 slices as follows [2, 9]. 82 percent of accesses are in the largest equivalence class. The 2 initializations are split as follows [2, 0]. The 8 writes are split as follows [0, 8]. [2024-10-13 12:51:26,265 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,265 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,270 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,278 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,284 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,285 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,287 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2024-10-13 12:51:26,291 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2024-10-13 12:51:26,291 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2024-10-13 12:51:26,291 INFO L274 PluginConnector]: RCFGBuilder initialized [2024-10-13 12:51:26,292 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (1/1) ... [2024-10-13 12:51:26,314 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 [2024-10-13 12:51:26,327 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:26,352 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (exit command is (exit), workingDir is null) [2024-10-13 12:51:26,354 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Waiting until timeout for monitored process [2024-10-13 12:51:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2024-10-13 12:51:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#0 [2024-10-13 12:51:26,413 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int#1 [2024-10-13 12:51:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2024-10-13 12:51:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#0 [2024-10-13 12:51:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure write~int#1 [2024-10-13 12:51:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2024-10-13 12:51:26,414 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2024-10-13 12:51:26,414 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#0 [2024-10-13 12:51:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure read~int#1 [2024-10-13 12:51:26,416 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2024-10-13 12:51:26,478 INFO L238 CfgBuilder]: Building ICFG [2024-10-13 12:51:26,479 INFO L264 CfgBuilder]: Building CFG for each procedure with an implementation [2024-10-13 12:51:26,699 INFO L? ?]: Removed 34 outVars from TransFormulas that were not future-live. [2024-10-13 12:51:26,699 INFO L287 CfgBuilder]: Performing block encoding [2024-10-13 12:51:26,729 INFO L309 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2024-10-13 12:51:26,729 INFO L314 CfgBuilder]: Removed 9 assume(true) statements. [2024-10-13 12:51:26,729 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:26 BoogieIcfgContainer [2024-10-13 12:51:26,730 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2024-10-13 12:51:26,733 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2024-10-13 12:51:26,733 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2024-10-13 12:51:26,737 INFO L274 PluginConnector]: TraceAbstraction initialized [2024-10-13 12:51:26,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 13.10 12:51:25" (1/3) ... [2024-10-13 12:51:26,737 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a49860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:26, skipping insertion in model container [2024-10-13 12:51:26,737 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 13.10 12:51:26" (2/3) ... [2024-10-13 12:51:26,739 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@27a49860 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 13.10 12:51:26, skipping insertion in model container [2024-10-13 12:51:26,739 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:26" (3/3) ... [2024-10-13 12:51:26,740 INFO L112 eAbstractionObserver]: Analyzing ICFG standard_init8_ground-2.i [2024-10-13 12:51:26,754 INFO L209 ceAbstractionStarter]: Automizer settings: Hoare:LoopHeads NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2024-10-13 12:51:26,756 INFO L149 ceAbstractionStarter]: Applying trace abstraction to program that has 18 error locations. [2024-10-13 12:51:26,822 INFO L332 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2024-10-13 12:51:26,830 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;@a4c64d4, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2024-10-13 12:51:26,830 INFO L334 AbstractCegarLoop]: Starting to check reachability of 18 error locations. [2024-10-13 12:51:26,833 INFO L276 IsEmpty]: Start isEmpty. Operand has 60 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 59 states have internal predecessors, (79), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:26,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2024-10-13 12:51:26,837 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:26,838 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1] [2024-10-13 12:51:26,838 INFO L396 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:26,844 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:26,844 INFO L85 PathProgramCache]: Analyzing trace with hash 202163, now seen corresponding path program 1 times [2024-10-13 12:51:26,853 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:26,854 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [651189419] [2024-10-13 12:51:26,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:26,855 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:26,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:27,057 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:51:27,059 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:27,059 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [651189419] [2024-10-13 12:51:27,060 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [651189419] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:27,060 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:27,060 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2024-10-13 12:51:27,061 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1828831343] [2024-10-13 12:51:27,062 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:27,065 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:51:27,066 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:27,088 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:51:27,089 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:51:27,091 INFO L87 Difference]: Start difference. First operand has 60 states, 41 states have (on average 1.9268292682926829) internal successors, (79), 59 states have internal predecessors, (79), 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 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:27,285 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:27,286 INFO L93 Difference]: Finished difference Result 139 states and 205 transitions. [2024-10-13 12:51:27,287 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:51:27,288 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 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 3 [2024-10-13 12:51:27,289 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:27,295 INFO L225 Difference]: With dead ends: 139 [2024-10-13 12:51:27,296 INFO L226 Difference]: Without dead ends: 80 [2024-10-13 12:51:27,298 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 0 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:51:27,301 INFO L432 NwaCegarLoop]: 39 mSDtfsCounter, 15 mSDsluCounter, 8 mSDsCounter, 0 mSdLazyCounter, 79 mSolverCounterSat, 30 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 15 SdHoareTripleChecker+Valid, 47 SdHoareTripleChecker+Invalid, 109 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 30 IncrementalHoareTripleChecker+Valid, 79 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:27,302 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [15 Valid, 47 Invalid, 109 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [30 Valid, 79 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:51:27,322 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 80 states. [2024-10-13 12:51:27,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 80 to 80. [2024-10-13 12:51:27,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 80 states, 62 states have (on average 1.4193548387096775) internal successors, (88), 79 states have internal predecessors, (88), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:27,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 80 states and 88 transitions. [2024-10-13 12:51:27,346 INFO L78 Accepts]: Start accepts. Automaton has 80 states and 88 transitions. Word has length 3 [2024-10-13 12:51:27,346 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:27,347 INFO L471 AbstractCegarLoop]: Abstraction has 80 states and 88 transitions. [2024-10-13 12:51:27,347 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 1.5) internal successors, (3), 2 states have internal predecessors, (3), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:27,347 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 88 transitions. [2024-10-13 12:51:27,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2024-10-13 12:51:27,348 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:27,348 INFO L215 NwaCegarLoop]: trace histogram [2, 1, 1, 1, 1] [2024-10-13 12:51:27,348 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2024-10-13 12:51:27,348 INFO L396 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:27,349 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:27,349 INFO L85 PathProgramCache]: Analyzing trace with hash 1727715196, now seen corresponding path program 1 times [2024-10-13 12:51:27,349 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:27,350 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2059262854] [2024-10-13 12:51:27,350 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:27,350 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:27,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:27,444 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:51:27,444 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:27,444 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2059262854] [2024-10-13 12:51:27,445 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2059262854] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:27,445 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [194854930] [2024-10-13 12:51:27,445 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:27,445 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:27,445 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:27,447 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:27,449 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2024-10-13 12:51:27,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:27,505 INFO L255 TraceCheckSpWp]: Trace formula consists of 46 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:51:27,509 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:27,556 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2024-10-13 12:51:27,556 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:51:27,556 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [194854930] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:27,556 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:51:27,557 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [2] total 3 [2024-10-13 12:51:27,557 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1091627218] [2024-10-13 12:51:27,557 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:27,558 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:51:27,558 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:27,559 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:51:27,559 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:51:27,560 INFO L87 Difference]: Start difference. First operand 80 states and 88 transitions. Second operand has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:27,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:27,689 INFO L93 Difference]: Finished difference Result 80 states and 88 transitions. [2024-10-13 12:51:27,689 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:27,690 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 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 6 [2024-10-13 12:51:27,690 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:27,692 INFO L225 Difference]: With dead ends: 80 [2024-10-13 12:51:27,692 INFO L226 Difference]: Without dead ends: 72 [2024-10-13 12:51:27,693 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2024-10-13 12:51:27,694 INFO L432 NwaCegarLoop]: 14 mSDtfsCounter, 29 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 107 mSolverCounterSat, 28 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 29 SdHoareTripleChecker+Valid, 21 SdHoareTripleChecker+Invalid, 135 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 28 IncrementalHoareTripleChecker+Valid, 107 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:27,695 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [29 Valid, 21 Invalid, 135 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [28 Valid, 107 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:51:27,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 72 states. [2024-10-13 12:51:27,708 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 72 to 72. [2024-10-13 12:51:27,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 72 states, 62 states have (on average 1.2903225806451613) internal successors, (80), 71 states have internal predecessors, (80), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:27,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 80 transitions. [2024-10-13 12:51:27,713 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 80 transitions. Word has length 6 [2024-10-13 12:51:27,713 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:27,713 INFO L471 AbstractCegarLoop]: Abstraction has 72 states and 80 transitions. [2024-10-13 12:51:27,713 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 2.0) internal successors, (6), 3 states have internal predecessors, (6), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:27,713 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 80 transitions. [2024-10-13 12:51:27,713 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2024-10-13 12:51:27,714 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:27,714 INFO L215 NwaCegarLoop]: trace histogram [2, 2, 1, 1, 1] [2024-10-13 12:51:27,732 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Ended with exit code 0 [2024-10-13 12:51:27,914 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:27,915 INFO L396 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:27,916 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:27,916 INFO L85 PathProgramCache]: Analyzing trace with hash 2019563569, now seen corresponding path program 1 times [2024-10-13 12:51:27,916 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:27,916 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1944627927] [2024-10-13 12:51:27,916 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:27,917 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:27,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:27,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2024-10-13 12:51:27,980 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:27,981 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1944627927] [2024-10-13 12:51:27,981 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1944627927] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:27,982 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:27,982 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2024-10-13 12:51:27,982 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [792900638] [2024-10-13 12:51:27,983 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:27,993 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2024-10-13 12:51:27,993 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:27,994 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2024-10-13 12:51:27,994 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:51:27,994 INFO L87 Difference]: Start difference. First operand 72 states and 80 transitions. Second operand has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:28,066 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:28,066 INFO L93 Difference]: Finished difference Result 72 states and 80 transitions. [2024-10-13 12:51:28,068 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2024-10-13 12:51:28,068 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 7 [2024-10-13 12:51:28,068 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:28,069 INFO L225 Difference]: With dead ends: 72 [2024-10-13 12:51:28,069 INFO L226 Difference]: Without dead ends: 64 [2024-10-13 12:51:28,069 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2024-10-13 12:51:28,070 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 14 mSDsluCounter, 7 mSDsCounter, 0 mSdLazyCounter, 43 mSolverCounterSat, 22 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 14 SdHoareTripleChecker+Valid, 29 SdHoareTripleChecker+Invalid, 65 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 22 IncrementalHoareTripleChecker+Valid, 43 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.1s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:28,071 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [14 Valid, 29 Invalid, 65 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [22 Valid, 43 Invalid, 0 Unknown, 0 Unchecked, 0.1s Time] [2024-10-13 12:51:28,074 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2024-10-13 12:51:28,080 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 48. [2024-10-13 12:51:28,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 48 states, 46 states have (on average 1.2173913043478262) internal successors, (56), 47 states have internal predecessors, (56), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:28,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 56 transitions. [2024-10-13 12:51:28,082 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 56 transitions. Word has length 7 [2024-10-13 12:51:28,082 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:28,082 INFO L471 AbstractCegarLoop]: Abstraction has 48 states and 56 transitions. [2024-10-13 12:51:28,082 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 2 states have (on average 3.5) internal successors, (7), 3 states have internal predecessors, (7), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:28,082 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 56 transitions. [2024-10-13 12:51:28,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 46 [2024-10-13 12:51:28,083 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:28,084 INFO L215 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:28,084 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2024-10-13 12:51:28,084 INFO L396 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:28,085 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:28,085 INFO L85 PathProgramCache]: Analyzing trace with hash 1468615125, now seen corresponding path program 1 times [2024-10-13 12:51:28,085 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:28,085 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1968922427] [2024-10-13 12:51:28,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:28,086 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:28,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:28,192 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:51:28,193 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:28,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1968922427] [2024-10-13 12:51:28,193 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1968922427] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:28,193 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [798260578] [2024-10-13 12:51:28,193 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:28,193 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:28,194 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:28,195 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:28,198 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2024-10-13 12:51:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:28,258 INFO L255 TraceCheckSpWp]: Trace formula consists of 138 conjuncts, 3 conjuncts are in the unsatisfiable core [2024-10-13 12:51:28,260 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:28,276 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:51:28,276 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:51:28,310 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2024-10-13 12:51:28,311 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [798260578] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:51:28,311 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:51:28,312 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [3, 3, 3] total 6 [2024-10-13 12:51:28,312 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2030765187] [2024-10-13 12:51:28,313 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:51:28,313 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2024-10-13 12:51:28,316 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:28,317 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2024-10-13 12:51:28,317 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:51:28,317 INFO L87 Difference]: Start difference. First operand 48 states and 56 transitions. Second operand has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:28,514 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:28,514 INFO L93 Difference]: Finished difference Result 163 states and 202 transitions. [2024-10-13 12:51:28,514 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2024-10-13 12:51:28,515 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 45 [2024-10-13 12:51:28,515 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:28,516 INFO L225 Difference]: With dead ends: 163 [2024-10-13 12:51:28,516 INFO L226 Difference]: Without dead ends: 120 [2024-10-13 12:51:28,516 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 91 GetRequests, 86 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2024-10-13 12:51:28,517 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 88 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 133 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 88 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 205 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 133 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.2s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:28,517 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [88 Valid, 43 Invalid, 205 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [72 Valid, 133 Invalid, 0 Unknown, 0 Unchecked, 0.2s Time] [2024-10-13 12:51:28,518 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 120 states. [2024-10-13 12:51:28,526 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 120 to 120. [2024-10-13 12:51:28,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 120 states, 118 states have (on average 1.0847457627118644) internal successors, (128), 119 states have internal predecessors, (128), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:28,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 120 states and 128 transitions. [2024-10-13 12:51:28,528 INFO L78 Accepts]: Start accepts. Automaton has 120 states and 128 transitions. Word has length 45 [2024-10-13 12:51:28,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:28,528 INFO L471 AbstractCegarLoop]: Abstraction has 120 states and 128 transitions. [2024-10-13 12:51:28,529 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 7.714285714285714) internal successors, (54), 6 states have internal predecessors, (54), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:28,529 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 128 transitions. [2024-10-13 12:51:28,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2024-10-13 12:51:28,532 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:28,532 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:28,548 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Ended with exit code 0 [2024-10-13 12:51:28,732 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable3 [2024-10-13 12:51:28,733 INFO L396 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:28,733 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:28,733 INFO L85 PathProgramCache]: Analyzing trace with hash -1073193247, now seen corresponding path program 2 times [2024-10-13 12:51:28,733 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:28,733 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1428163111] [2024-10-13 12:51:28,734 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:28,734 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:29,077 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2024-10-13 12:51:29,077 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:29,077 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1428163111] [2024-10-13 12:51:29,078 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1428163111] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:29,078 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:29,078 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:51:29,078 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2089188675] [2024-10-13 12:51:29,078 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:29,079 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:51:29,079 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:29,080 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:51:29,080 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:29,080 INFO L87 Difference]: Start difference. First operand 120 states and 128 transitions. Second operand has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:29,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:29,103 INFO L93 Difference]: Finished difference Result 127 states and 135 transitions. [2024-10-13 12:51:29,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:29,105 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 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 117 [2024-10-13 12:51:29,106 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:29,107 INFO L225 Difference]: With dead ends: 127 [2024-10-13 12:51:29,109 INFO L226 Difference]: Without dead ends: 125 [2024-10-13 12:51:29,109 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:29,110 INFO L432 NwaCegarLoop]: 43 mSDtfsCounter, 1 mSDsluCounter, 83 mSDsCounter, 0 mSdLazyCounter, 17 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 126 SdHoareTripleChecker+Invalid, 18 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 17 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:29,110 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 126 Invalid, 18 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 17 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:29,111 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2024-10-13 12:51:29,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 125. [2024-10-13 12:51:29,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 125 states, 123 states have (on average 1.08130081300813) internal successors, (133), 124 states have internal predecessors, (133), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:29,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 125 states and 133 transitions. [2024-10-13 12:51:29,130 INFO L78 Accepts]: Start accepts. Automaton has 125 states and 133 transitions. Word has length 117 [2024-10-13 12:51:29,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:29,132 INFO L471 AbstractCegarLoop]: Abstraction has 125 states and 133 transitions. [2024-10-13 12:51:29,132 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 15.0) internal successors, (45), 4 states have internal predecessors, (45), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:29,132 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 133 transitions. [2024-10-13 12:51:29,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2024-10-13 12:51:29,134 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:29,134 INFO L215 NwaCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:29,134 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2024-10-13 12:51:29,134 INFO L396 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:29,135 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:29,135 INFO L85 PathProgramCache]: Analyzing trace with hash -139601851, now seen corresponding path program 1 times [2024-10-13 12:51:29,135 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:29,135 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [824055401] [2024-10-13 12:51:29,135 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:29,136 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:29,387 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-10-13 12:51:29,387 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:29,387 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [824055401] [2024-10-13 12:51:29,388 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [824055401] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:29,388 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [833296630] [2024-10-13 12:51:29,388 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:29,388 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:29,388 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:29,390 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:29,391 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2024-10-13 12:51:29,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:29,500 INFO L255 TraceCheckSpWp]: Trace formula consists of 368 conjuncts, 6 conjuncts are in the unsatisfiable core [2024-10-13 12:51:29,503 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:29,533 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-10-13 12:51:29,533 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:51:29,625 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 158 trivial. 0 not checked. [2024-10-13 12:51:29,625 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [833296630] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:51:29,625 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:51:29,625 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 6, 6] total 12 [2024-10-13 12:51:29,626 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1036312469] [2024-10-13 12:51:29,626 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:51:29,626 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 13 states [2024-10-13 12:51:29,626 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:29,627 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2024-10-13 12:51:29,627 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-13 12:51:29,627 INFO L87 Difference]: Start difference. First operand 125 states and 133 transitions. Second operand has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:30,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:30,044 INFO L93 Difference]: Finished difference Result 380 states and 443 transitions. [2024-10-13 12:51:30,044 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2024-10-13 12:51:30,045 INFO L78 Accepts]: Start accepts. Automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 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 122 [2024-10-13 12:51:30,045 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:30,046 INFO L225 Difference]: With dead ends: 380 [2024-10-13 12:51:30,046 INFO L226 Difference]: Without dead ends: 269 [2024-10-13 12:51:30,047 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 248 GetRequests, 237 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 16 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=78, Invalid=78, Unknown=0, NotChecked=0, Total=156 [2024-10-13 12:51:30,048 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 270 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 277 mSolverCounterSat, 184 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.3s Time, 0 mProtectedPredicate, 0 mProtectedAction, 270 SdHoareTripleChecker+Valid, 43 SdHoareTripleChecker+Invalid, 461 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 184 IncrementalHoareTripleChecker+Valid, 277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.4s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:30,048 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [270 Valid, 43 Invalid, 461 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [184 Valid, 277 Invalid, 0 Unknown, 0 Unchecked, 0.4s Time] [2024-10-13 12:51:30,051 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 269 states. [2024-10-13 12:51:30,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 269 to 269. [2024-10-13 12:51:30,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 269 states, 267 states have (on average 1.0374531835205993) internal successors, (277), 268 states have internal predecessors, (277), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:30,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 269 states and 277 transitions. [2024-10-13 12:51:30,080 INFO L78 Accepts]: Start accepts. Automaton has 269 states and 277 transitions. Word has length 122 [2024-10-13 12:51:30,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:30,083 INFO L471 AbstractCegarLoop]: Abstraction has 269 states and 277 transitions. [2024-10-13 12:51:30,083 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 13 states, 13 states have (on average 5.6923076923076925) internal successors, (74), 12 states have internal predecessors, (74), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:30,083 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 277 transitions. [2024-10-13 12:51:30,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 267 [2024-10-13 12:51:30,089 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:30,090 INFO L215 NwaCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:30,107 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Ended with exit code 0 [2024-10-13 12:51:30,290 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:30,291 INFO L396 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:30,291 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:30,291 INFO L85 PathProgramCache]: Analyzing trace with hash 487323077, now seen corresponding path program 2 times [2024-10-13 12:51:30,291 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:30,291 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1738032195] [2024-10-13 12:51:30,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:30,291 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:30,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:30,883 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2024-10-13 12:51:30,883 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:30,883 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1738032195] [2024-10-13 12:51:30,884 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1738032195] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:30,884 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1629406304] [2024-10-13 12:51:30,884 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST1 [2024-10-13 12:51:30,884 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:30,884 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:30,886 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:30,887 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2024-10-13 12:51:31,101 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST1 issued 2 check-sat command(s) [2024-10-13 12:51:31,101 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:51:31,104 INFO L255 TraceCheckSpWp]: Trace formula consists of 800 conjuncts, 12 conjuncts are in the unsatisfiable core [2024-10-13 12:51:31,114 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:31,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2024-10-13 12:51:31,187 INFO L311 TraceCheckSpWp]: Computing backward predicates... [2024-10-13 12:51:31,432 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 0 proven. 145 refuted. 0 times theorem prover too weak. 1019 trivial. 0 not checked. [2024-10-13 12:51:31,433 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1629406304] provided 0 perfect and 2 imperfect interpolant sequences [2024-10-13 12:51:31,433 INFO L185 FreeRefinementEngine]: Found 0 perfect and 3 imperfect interpolant sequences. [2024-10-13 12:51:31,433 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12, 12, 12] total 24 [2024-10-13 12:51:31,434 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605456325] [2024-10-13 12:51:31,434 INFO L85 oduleStraightlineAll]: Using 3 imperfect interpolants to construct interpolant automaton [2024-10-13 12:51:31,435 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 25 states [2024-10-13 12:51:31,435 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:31,436 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2024-10-13 12:51:31,436 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-13 12:51:31,436 INFO L87 Difference]: Start difference. First operand 269 states and 277 transitions. Second operand has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:32,386 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:32,386 INFO L93 Difference]: Finished difference Result 794 states and 905 transitions. [2024-10-13 12:51:32,387 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2024-10-13 12:51:32,387 INFO L78 Accepts]: Start accepts. Automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 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 266 [2024-10-13 12:51:32,387 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:32,389 INFO L225 Difference]: With dead ends: 794 [2024-10-13 12:51:32,390 INFO L226 Difference]: Without dead ends: 557 [2024-10-13 12:51:32,391 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 542 GetRequests, 519 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=300, Invalid=300, Unknown=0, NotChecked=0, Total=600 [2024-10-13 12:51:32,391 INFO L432 NwaCegarLoop]: 22 mSDtfsCounter, 886 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 598 mSolverCounterSat, 534 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.7s Time, 0 mProtectedPredicate, 0 mProtectedAction, 886 SdHoareTripleChecker+Valid, 50 SdHoareTripleChecker+Invalid, 1132 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 534 IncrementalHoareTripleChecker+Valid, 598 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.8s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:32,392 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [886 Valid, 50 Invalid, 1132 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [534 Valid, 598 Invalid, 0 Unknown, 0 Unchecked, 0.8s Time] [2024-10-13 12:51:32,393 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 557 states. [2024-10-13 12:51:32,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 557 to 557. [2024-10-13 12:51:32,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 557 states, 555 states have (on average 1.018018018018018) internal successors, (565), 556 states have internal predecessors, (565), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:32,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 557 states and 565 transitions. [2024-10-13 12:51:32,421 INFO L78 Accepts]: Start accepts. Automaton has 557 states and 565 transitions. Word has length 266 [2024-10-13 12:51:32,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:32,421 INFO L471 AbstractCegarLoop]: Abstraction has 557 states and 565 transitions. [2024-10-13 12:51:32,422 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 25 states, 25 states have (on average 4.4) internal successors, (110), 24 states have internal predecessors, (110), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:32,422 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 565 transitions. [2024-10-13 12:51:32,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 555 [2024-10-13 12:51:32,430 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:32,430 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:32,449 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2024-10-13 12:51:32,634 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:32,635 INFO L396 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:32,636 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:32,636 INFO L85 PathProgramCache]: Analyzing trace with hash -1178939195, now seen corresponding path program 3 times [2024-10-13 12:51:32,636 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:32,636 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2133663268] [2024-10-13 12:51:32,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:32,637 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:32,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:34,579 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 0 proven. 715 refuted. 0 times theorem prover too weak. 5009 trivial. 0 not checked. [2024-10-13 12:51:34,580 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2133663268] [2024-10-13 12:51:34,580 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2133663268] provided 0 perfect and 1 imperfect interpolant sequences [2024-10-13 12:51:34,580 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [268435778] [2024-10-13 12:51:34,580 INFO L93 rtionOrderModulation]: Changing assertion order to OUTSIDE_LOOP_FIRST2 [2024-10-13 12:51:34,580 INFO L173 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:34,581 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2024-10-13 12:51:34,582 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2024-10-13 12:51:34,596 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2024-10-13 12:51:34,775 INFO L228 tOrderPrioritization]: Assert order OUTSIDE_LOOP_FIRST2 issued 2 check-sat command(s) [2024-10-13 12:51:34,775 INFO L229 tOrderPrioritization]: Conjunction of SSA is unsat [2024-10-13 12:51:34,777 INFO L255 TraceCheckSpWp]: Trace formula consists of 152 conjuncts, 4 conjuncts are in the unsatisfiable core [2024-10-13 12:51:34,784 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2024-10-13 12:51:34,858 INFO L134 CoverageAnalysis]: Checked inductivity of 5724 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5720 trivial. 0 not checked. [2024-10-13 12:51:34,859 INFO L307 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2024-10-13 12:51:34,859 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleZ3 [268435778] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:34,859 INFO L185 FreeRefinementEngine]: Found 1 perfect and 1 imperfect interpolant sequences. [2024-10-13 12:51:34,859 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [24] total 28 [2024-10-13 12:51:34,859 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1855110307] [2024-10-13 12:51:34,860 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:34,860 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 5 states [2024-10-13 12:51:34,860 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:34,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2024-10-13 12:51:34,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-10-13 12:51:34,862 INFO L87 Difference]: Start difference. First operand 557 states and 565 transitions. Second operand has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:34,885 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:34,885 INFO L93 Difference]: Finished difference Result 557 states and 565 transitions. [2024-10-13 12:51:34,886 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:34,886 INFO L78 Accepts]: Start accepts. Automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 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 554 [2024-10-13 12:51:34,887 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:34,891 INFO L225 Difference]: With dead ends: 557 [2024-10-13 12:51:34,892 INFO L226 Difference]: Without dead ends: 556 [2024-10-13 12:51:34,892 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 577 GetRequests, 551 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 66 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=307, Invalid=449, Unknown=0, NotChecked=0, Total=756 [2024-10-13 12:51:34,893 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 1 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 14 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 1 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 15 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 14 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:34,893 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [1 Valid, 121 Invalid, 15 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 14 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:34,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 556 states. [2024-10-13 12:51:34,910 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 556 to 556. [2024-10-13 12:51:34,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 556 states, 555 states have (on average 1.0162162162162163) internal successors, (564), 555 states have internal predecessors, (564), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:34,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 556 states to 556 states and 564 transitions. [2024-10-13 12:51:34,913 INFO L78 Accepts]: Start accepts. Automaton has 556 states and 564 transitions. Word has length 554 [2024-10-13 12:51:34,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:34,914 INFO L471 AbstractCegarLoop]: Abstraction has 556 states and 564 transitions. [2024-10-13 12:51:34,914 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 5 states, 4 states have (on average 12.5) internal successors, (50), 5 states have internal predecessors, (50), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:34,915 INFO L276 IsEmpty]: Start isEmpty. Operand 556 states and 564 transitions. [2024-10-13 12:51:34,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 556 [2024-10-13 12:51:34,923 INFO L207 NwaCegarLoop]: Found error trace [2024-10-13 12:51:34,923 INFO L215 NwaCegarLoop]: trace histogram [22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2024-10-13 12:51:34,940 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2024-10-13 12:51:35,124 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2024-10-13 12:51:35,125 INFO L396 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW === [ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW, ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (and 15 more)] === [2024-10-13 12:51:35,125 INFO L157 PredicateUnifier]: Initialized classic predicate unifier [2024-10-13 12:51:35,125 INFO L85 PathProgramCache]: Analyzing trace with hash 2107590817, now seen corresponding path program 1 times [2024-10-13 12:51:35,126 INFO L118 FreeRefinementEngine]: Executing refinement strategy CAMEL [2024-10-13 12:51:35,126 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1288959492] [2024-10-13 12:51:35,126 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2024-10-13 12:51:35,126 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2024-10-13 12:51:35,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2024-10-13 12:51:35,518 INFO L134 CoverageAnalysis]: Checked inductivity of 5725 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 5721 trivial. 0 not checked. [2024-10-13 12:51:35,518 INFO L136 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2024-10-13 12:51:35,518 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1288959492] [2024-10-13 12:51:35,518 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1288959492] provided 1 perfect and 0 imperfect interpolant sequences [2024-10-13 12:51:35,519 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2024-10-13 12:51:35,519 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2024-10-13 12:51:35,519 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1098165797] [2024-10-13 12:51:35,519 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2024-10-13 12:51:35,520 INFO L548 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2024-10-13 12:51:35,520 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2024-10-13 12:51:35,520 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2024-10-13 12:51:35,520 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:35,521 INFO L87 Difference]: Start difference. First operand 556 states and 564 transitions. Second operand has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:35,544 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2024-10-13 12:51:35,545 INFO L93 Difference]: Finished difference Result 556 states and 564 transitions. [2024-10-13 12:51:35,545 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2024-10-13 12:51:35,545 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 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 555 [2024-10-13 12:51:35,546 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2024-10-13 12:51:35,546 INFO L225 Difference]: With dead ends: 556 [2024-10-13 12:51:35,546 INFO L226 Difference]: Without dead ends: 0 [2024-10-13 12:51:35,547 INFO L431 NwaCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2024-10-13 12:51:35,548 INFO L432 NwaCegarLoop]: 41 mSDtfsCounter, 0 mSDsluCounter, 80 mSDsCounter, 0 mSdLazyCounter, 12 mSolverCounterSat, 1 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 0.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 0 SdHoareTripleChecker+Valid, 121 SdHoareTripleChecker+Invalid, 13 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 1 IncrementalHoareTripleChecker+Valid, 12 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 0.0s IncrementalHoareTripleChecker+Time [2024-10-13 12:51:35,548 INFO L433 NwaCegarLoop]: SdHoareTripleChecker [0 Valid, 121 Invalid, 13 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [1 Valid, 12 Invalid, 0 Unknown, 0 Unchecked, 0.0s Time] [2024-10-13 12:51:35,550 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2024-10-13 12:51:35,550 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2024-10-13 12:51:35,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:35,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2024-10-13 12:51:35,551 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 555 [2024-10-13 12:51:35,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2024-10-13 12:51:35,551 INFO L471 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2024-10-13 12:51:35,551 INFO L472 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 3 states have (on average 17.0) internal successors, (51), 4 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2024-10-13 12:51:35,551 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2024-10-13 12:51:35,552 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2024-10-13 12:51:35,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONINTEGER_OVERFLOW (17 of 18 remaining) [2024-10-13 12:51:35,554 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr1ASSERT_VIOLATIONINTEGER_OVERFLOW (16 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr2ASSERT_VIOLATIONINTEGER_OVERFLOW (15 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr3ASSERT_VIOLATIONINTEGER_OVERFLOW (14 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr4ASSERT_VIOLATIONINTEGER_OVERFLOW (13 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr5ASSERT_VIOLATIONINTEGER_OVERFLOW (12 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr6ASSERT_VIOLATIONINTEGER_OVERFLOW (11 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr7ASSERT_VIOLATIONINTEGER_OVERFLOW (10 of 18 remaining) [2024-10-13 12:51:35,555 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr8ASSERT_VIOLATIONINTEGER_OVERFLOW (9 of 18 remaining) [2024-10-13 12:51:35,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr9ASSERT_VIOLATIONINTEGER_OVERFLOW (8 of 18 remaining) [2024-10-13 12:51:35,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr10ASSERT_VIOLATIONINTEGER_OVERFLOW (7 of 18 remaining) [2024-10-13 12:51:35,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr11ASSERT_VIOLATIONINTEGER_OVERFLOW (6 of 18 remaining) [2024-10-13 12:51:35,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr12ASSERT_VIOLATIONINTEGER_OVERFLOW (5 of 18 remaining) [2024-10-13 12:51:35,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr13ASSERT_VIOLATIONINTEGER_OVERFLOW (4 of 18 remaining) [2024-10-13 12:51:35,556 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr14ASSERT_VIOLATIONINTEGER_OVERFLOW (3 of 18 remaining) [2024-10-13 12:51:35,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr15ASSERT_VIOLATIONINTEGER_OVERFLOW (2 of 18 remaining) [2024-10-13 12:51:35,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr16ASSERT_VIOLATIONINTEGER_OVERFLOW (1 of 18 remaining) [2024-10-13 12:51:35,557 INFO L782 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr17ASSERT_VIOLATIONINTEGER_OVERFLOW (0 of 18 remaining) [2024-10-13 12:51:35,557 WARN L453 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2024-10-13 12:51:35,561 INFO L407 BasicCegarLoop]: Path program histogram: [3, 2, 1, 1, 1, 1] [2024-10-13 12:51:35,563 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2024-10-13 12:51:35,681 INFO L165 ceAbstractionStarter]: Computing trace abstraction results [2024-10-13 12:51:35,695 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 13.10 12:51:35 BoogieIcfgContainer [2024-10-13 12:51:35,697 INFO L131 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2024-10-13 12:51:35,698 INFO L112 PluginConnector]: ------------------------Witness Printer---------------------------- [2024-10-13 12:51:35,698 INFO L270 PluginConnector]: Initializing Witness Printer... [2024-10-13 12:51:35,698 INFO L274 PluginConnector]: Witness Printer initialized [2024-10-13 12:51:35,699 INFO L184 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 13.10 12:51:26" (3/4) ... [2024-10-13 12:51:35,700 INFO L139 WitnessPrinter]: Generating witness for correct program [2024-10-13 12:51:35,708 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 13 nodes and edges [2024-10-13 12:51:35,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2024-10-13 12:51:35,709 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2024-10-13 12:51:35,710 INFO L904 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2024-10-13 12:51:35,810 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2024-10-13 12:51:35,810 INFO L149 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.yml [2024-10-13 12:51:35,810 INFO L131 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2024-10-13 12:51:35,811 INFO L158 Benchmark]: Toolchain (without parser) took 9858.40ms. Allocated memory was 148.9MB in the beginning and 264.2MB in the end (delta: 115.3MB). Free memory was 97.3MB in the beginning and 78.6MB in the end (delta: 18.7MB). Peak memory consumption was 134.1MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,811 INFO L158 Benchmark]: CDTParser took 0.94ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 60.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. [2024-10-13 12:51:35,811 INFO L158 Benchmark]: CACSL2BoogieTranslator took 230.45ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 84.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,811 INFO L158 Benchmark]: Boogie Procedure Inliner took 45.19ms. Allocated memory is still 148.9MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,812 INFO L158 Benchmark]: Boogie Preprocessor took 59.86ms. Allocated memory is still 148.9MB. Free memory was 82.7MB in the beginning and 80.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,812 INFO L158 Benchmark]: RCFGBuilder took 438.85ms. Allocated memory is still 148.9MB. Free memory was 80.9MB in the beginning and 106.5MB in the end (delta: -25.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,812 INFO L158 Benchmark]: TraceAbstraction took 8964.30ms. Allocated memory was 148.9MB in the beginning and 264.2MB in the end (delta: 115.3MB). Free memory was 105.9MB in the beginning and 83.8MB in the end (delta: 22.1MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,812 INFO L158 Benchmark]: Witness Printer took 112.55ms. Allocated memory is still 264.2MB. Free memory was 83.8MB in the beginning and 78.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. [2024-10-13 12:51:35,814 INFO L338 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.94ms. Allocated memory is still 96.5MB. Free memory was 61.0MB in the beginning and 60.9MB in the end (delta: 70.0kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 230.45ms. Allocated memory is still 148.9MB. Free memory was 97.3MB in the beginning and 84.7MB in the end (delta: 12.6MB). Peak memory consumption was 12.6MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 45.19ms. Allocated memory is still 148.9MB. Free memory was 84.7MB in the beginning and 82.7MB in the end (delta: 2.1MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * Boogie Preprocessor took 59.86ms. Allocated memory is still 148.9MB. Free memory was 82.7MB in the beginning and 80.9MB in the end (delta: 1.8MB). Peak memory consumption was 2.1MB. Max. memory is 16.1GB. * RCFGBuilder took 438.85ms. Allocated memory is still 148.9MB. Free memory was 80.9MB in the beginning and 106.5MB in the end (delta: -25.6MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * TraceAbstraction took 8964.30ms. Allocated memory was 148.9MB in the beginning and 264.2MB in the end (delta: 115.3MB). Free memory was 105.9MB in the beginning and 83.8MB in the end (delta: 22.1MB). Peak memory consumption was 140.5MB. Max. memory is 16.1GB. * Witness Printer took 112.55ms. Allocated memory is still 264.2MB. Free memory was 83.8MB in the beginning and 78.6MB in the end (delta: 5.2MB). Peak memory consumption was 4.2MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0s ErrorAutomatonConstructionTimeTotal, 0.0s FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0s ErrorAutomatonConstructionTimeAvg, 0.0s ErrorAutomatonDifferenceTimeAvg, 0.0s ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 19]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 24]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 29]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 34]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 39]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 44]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 49]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 54]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - PositiveResult [Line: 57]: integer overflow can never occur For all program executions holds that integer overflow can never occur at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 60 locations, 18 error locations. Started 1 CEGAR loops. OverallTime: 8.8s, OverallIterations: 9, TraceHistogramMax: 22, PathProgramHistogramMax: 3, EmptinessCheckTime: 0.0s, AutomataDifference: 2.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, InitialAbstractionConstructionTime: 0.0s, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 1304 SdHoareTripleChecker+Valid, 1.8s IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 1304 mSDsluCounter, 601 SdHoareTripleChecker+Invalid, 1.4s Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 335 mSDsCounter, 873 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 1280 IncrementalHoareTripleChecker+Invalid, 2153 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 873 mSolverCounterUnsat, 266 mSDtfsCounter, 1280 mSolverCounterSat, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1474 GetRequests, 1400 SyntacticMatches, 0 SemanticMatches, 74 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 126 ImplicationChecksByTransitivity, 0.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=557occurred in iteration=7, InterpolantAutomatonStates: 64, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 16 StatesRemovedByMinimization, 1 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.0s InterpolantComputationTime, 2668 NumberOfCodeBlocks, 2164 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3084 ConstructedInterpolants, 0 QuantifiedInterpolants, 3570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1504 ConjunctsInSsa, 28 ConjunctsInUnsatCore, 17 InterpolantComputations, 6 PerfectInterpolantSequences, 20191/21412 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 18 specifications checked. All of them hold - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 52]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: (0 < (2147483649 + x)) - InvariantResult [Line: 42]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 47]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) - InvariantResult [Line: 27]: Loop Invariant Derived loop invariant: ((0 < i) || (i == 0)) RESULT: Ultimate proved your program to be correct! [2024-10-13 12:51:35,845 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:4000 (1)] Ended with exit code 0 Received shutdown request... --- End real Ultimate output --- Execution finished normally Writing output log to file Ultimate.log Result: TRUE