java -Xmx8000000000 -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data --generate-csv --csv-dir csv -tc ../../../trunk/examples/toolchains/AutomizerCInline.xml -s ../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf -i ../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-dace188-m [2018-09-14 15:50:29,217 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-09-14 15:50:29,219 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-09-14 15:50:29,236 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-09-14 15:50:29,237 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-09-14 15:50:29,238 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-09-14 15:50:29,240 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-09-14 15:50:29,242 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-09-14 15:50:29,245 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-09-14 15:50:29,246 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-09-14 15:50:29,248 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-09-14 15:50:29,248 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-09-14 15:50:29,249 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-09-14 15:50:29,250 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-09-14 15:50:29,251 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-09-14 15:50:29,253 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-09-14 15:50:29,255 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-09-14 15:50:29,263 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-09-14 15:50:29,268 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-09-14 15:50:29,269 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-09-14 15:50:29,272 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-09-14 15:50:29,274 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-09-14 15:50:29,276 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-09-14 15:50:29,276 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-09-14 15:50:29,276 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-09-14 15:50:29,277 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-09-14 15:50:29,278 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-09-14 15:50:29,278 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-09-14 15:50:29,279 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-09-14 15:50:29,280 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-09-14 15:50:29,280 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-09-14 15:50:29,281 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... 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[2018-09-14 15:50:29,283 INFO L98 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/taipanbench/svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf [2018-09-14 15:50:29,304 INFO L110 SettingsManager]: Loading preferences was successful [2018-09-14 15:50:29,305 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-09-14 15:50:29,306 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-09-14 15:50:29,306 INFO L133 SettingsManager]: * User list type=DISABLED [2018-09-14 15:50:29,306 INFO L133 SettingsManager]: * calls to implemented procedures=false [2018-09-14 15:50:29,306 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-09-14 15:50:29,307 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2018-09-14 15:50:29,307 INFO L133 SettingsManager]: * Abstract domain=CompoundDomain [2018-09-14 15:50:29,307 INFO L133 SettingsManager]: * Log string format=TERM [2018-09-14 15:50:29,307 INFO L133 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2018-09-14 15:50:29,307 INFO L133 SettingsManager]: * Interval Domain=false [2018-09-14 15:50:29,308 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-09-14 15:50:29,308 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-09-14 15:50:29,308 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-09-14 15:50:29,309 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-09-14 15:50:29,309 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-09-14 15:50:29,309 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-09-14 15:50:29,309 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-09-14 15:50:29,309 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-09-14 15:50:29,310 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-09-14 15:50:29,310 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-09-14 15:50:29,310 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-09-14 15:50:29,310 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-09-14 15:50:29,310 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 15:50:29,311 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-09-14 15:50:29,312 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-09-14 15:50:29,312 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-09-14 15:50:29,312 INFO L133 SettingsManager]: * Trace refinement strategy=RUBBER_TAIPAN [2018-09-14 15:50:29,312 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-09-14 15:50:29,312 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-09-14 15:50:29,313 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-09-14 15:50:29,313 INFO L133 SettingsManager]: * To the following directory=dump/ [2018-09-14 15:50:29,313 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-09-14 15:50:29,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-09-14 15:50:29,382 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-09-14 15:50:29,388 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-09-14 15:50:29,390 INFO L271 PluginConnector]: Initializing CDTParser... [2018-09-14 15:50:29,390 INFO L276 PluginConnector]: CDTParser initialized [2018-09-14 15:50:29,391 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-09-14 15:50:29,757 INFO L221 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30546650c/4538fd6f61444092a5c9b43af3b44ac1/FLAG3023056e5 [2018-09-14 15:50:29,931 INFO L277 CDTParser]: Found 1 translation units. [2018-09-14 15:50:29,932 INFO L159 CDTParser]: Scanning /storage/repos/ultimate/trunk/examples/svcomp/loop-crafted/simple_array_index_value_true-unreach-call4_true-termination.i [2018-09-14 15:50:29,940 INFO L325 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30546650c/4538fd6f61444092a5c9b43af3b44ac1/FLAG3023056e5 [2018-09-14 15:50:29,956 INFO L333 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/30546650c/4538fd6f61444092a5c9b43af3b44ac1 [2018-09-14 15:50:29,967 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-09-14 15:50:29,970 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-09-14 15:50:29,971 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-09-14 15:50:29,971 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-09-14 15:50:29,978 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-09-14 15:50:29,979 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:50:29" (1/1) ... [2018-09-14 15:50:29,982 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@367f72fa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:29, skipping insertion in model container [2018-09-14 15:50:29,982 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 14.09 03:50:29" (1/1) ... [2018-09-14 15:50:29,994 INFO L160 ieTranslatorObserver]: Starting translation in SV-COMP mode [2018-09-14 15:50:30,184 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:50:30,203 INFO L424 MainDispatcher]: Starting main dispatcher in SV-COMP mode [2018-09-14 15:50:30,211 INFO L170 PostProcessor]: Settings: Checked method=main [2018-09-14 15:50:30,225 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30 WrapperNode [2018-09-14 15:50:30,225 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-09-14 15:50:30,226 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-09-14 15:50:30,226 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-09-14 15:50:30,227 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-09-14 15:50:30,237 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,244 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,251 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-09-14 15:50:30,251 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-09-14 15:50:30,251 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-09-14 15:50:30,252 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-09-14 15:50:30,262 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,263 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,264 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,264 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,266 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,272 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,273 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... [2018-09-14 15:50:30,275 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-09-14 15:50:30,276 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-09-14 15:50:30,276 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-09-14 15:50:30,276 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-09-14 15:50:30,277 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (1/1) ... No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-09-14 15:50:30,354 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-09-14 15:50:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-09-14 15:50:30,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-09-14 15:50:30,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-09-14 15:50:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-09-14 15:50:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-09-14 15:50:30,356 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-09-14 15:50:30,356 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-09-14 15:50:30,895 INFO L353 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-09-14 15:50:30,896 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:50:30 BoogieIcfgContainer [2018-09-14 15:50:30,896 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-09-14 15:50:30,897 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-09-14 15:50:30,897 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-09-14 15:50:30,901 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-09-14 15:50:30,901 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 14.09 03:50:29" (1/3) ... [2018-09-14 15:50:30,902 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac34d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:50:30, skipping insertion in model container [2018-09-14 15:50:30,902 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 14.09 03:50:30" (2/3) ... [2018-09-14 15:50:30,903 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3ac34d31 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 14.09 03:50:30, skipping insertion in model container [2018-09-14 15:50:30,903 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 14.09 03:50:30" (3/3) ... [2018-09-14 15:50:30,905 INFO L112 eAbstractionObserver]: Analyzing ICFG simple_array_index_value_true-unreach-call4_true-termination.i [2018-09-14 15:50:30,917 INFO L137 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-09-14 15:50:30,925 INFO L149 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-09-14 15:50:30,973 INFO L130 ementStrategyFactory]: Using default assertion order modulation [2018-09-14 15:50:30,974 INFO L381 AbstractCegarLoop]: Interprodecural is true [2018-09-14 15:50:30,974 INFO L382 AbstractCegarLoop]: Hoare is true [2018-09-14 15:50:30,974 INFO L383 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-09-14 15:50:30,974 INFO L384 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-09-14 15:50:30,974 INFO L385 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-09-14 15:50:30,975 INFO L386 AbstractCegarLoop]: Difference is false [2018-09-14 15:50:30,975 INFO L387 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-09-14 15:50:30,975 INFO L392 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-09-14 15:50:30,994 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2018-09-14 15:50:31,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-09-14 15:50:31,001 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:50:31,002 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:50:31,004 INFO L423 AbstractCegarLoop]: === Iteration 1 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:50:31,009 INFO L82 PathProgramCache]: Analyzing trace with hash 1425685744, now seen corresponding path program 1 times [2018-09-14 15:50:31,012 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:50:31,065 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:31,065 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:50:31,066 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:31,066 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:50:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:50:31,295 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:31,297 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:50:31,298 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-09-14 15:50:31,298 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:50:31,303 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-09-14 15:50:31,319 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-09-14 15:50:31,320 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-09-14 15:50:31,323 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2018-09-14 15:50:31,583 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:50:31,583 INFO L93 Difference]: Finished difference Result 58 states and 81 transitions. [2018-09-14 15:50:31,584 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-09-14 15:50:31,585 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 11 [2018-09-14 15:50:31,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:50:31,596 INFO L225 Difference]: With dead ends: 58 [2018-09-14 15:50:31,596 INFO L226 Difference]: Without dead ends: 33 [2018-09-14 15:50:31,600 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-09-14 15:50:31,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 33 states. [2018-09-14 15:50:31,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 33 to 27. [2018-09-14 15:50:31,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-09-14 15:50:31,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 30 transitions. [2018-09-14 15:50:31,647 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 30 transitions. Word has length 11 [2018-09-14 15:50:31,647 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:50:31,647 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 30 transitions. [2018-09-14 15:50:31,647 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-09-14 15:50:31,648 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 30 transitions. [2018-09-14 15:50:31,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-09-14 15:50:31,649 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:50:31,649 INFO L376 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:50:31,650 INFO L423 AbstractCegarLoop]: === Iteration 2 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:50:31,650 INFO L82 PathProgramCache]: Analyzing trace with hash -985774670, now seen corresponding path program 1 times [2018-09-14 15:50:31,650 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:50:31,651 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:31,652 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:50:31,652 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:31,652 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:50:31,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:50:31,708 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:31,709 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-09-14 15:50:31,709 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-09-14 15:50:31,709 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:50:31,712 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-09-14 15:50:31,712 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-09-14 15:50:31,712 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:50:31,713 INFO L87 Difference]: Start difference. First operand 27 states and 30 transitions. Second operand 3 states. [2018-09-14 15:50:31,735 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:50:31,736 INFO L93 Difference]: Finished difference Result 39 states and 42 transitions. [2018-09-14 15:50:31,736 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-09-14 15:50:31,736 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 14 [2018-09-14 15:50:31,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:50:31,738 INFO L225 Difference]: With dead ends: 39 [2018-09-14 15:50:31,738 INFO L226 Difference]: Without dead ends: 28 [2018-09-14 15:50:31,739 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-09-14 15:50:31,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-09-14 15:50:31,744 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 27. [2018-09-14 15:50:31,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-09-14 15:50:31,745 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 29 transitions. [2018-09-14 15:50:31,746 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 29 transitions. Word has length 14 [2018-09-14 15:50:31,746 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:50:31,746 INFO L480 AbstractCegarLoop]: Abstraction has 27 states and 29 transitions. [2018-09-14 15:50:31,746 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-09-14 15:50:31,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 29 transitions. [2018-09-14 15:50:31,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-09-14 15:50:31,747 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:50:31,748 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:50:31,748 INFO L423 AbstractCegarLoop]: === Iteration 3 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:50:31,748 INFO L82 PathProgramCache]: Analyzing trace with hash 1440360095, now seen corresponding path program 1 times [2018-09-14 15:50:31,748 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:50:31,749 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:31,750 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:50:31,750 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:31,750 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:50:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:50:31,970 WARN L178 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 14 DAG size of output: 13 [2018-09-14 15:50:32,428 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 1 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:32,429 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:50:32,429 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-09-14 15:50:32,446 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:50:32,446 INFO L295 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:50:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:50:32,486 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:50:33,316 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 2 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:33,317 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:50:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 3 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:33,976 INFO L301 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-09-14 15:50:33,977 INFO L197 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/cvc4nyu Starting monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4nyu --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-09-14 15:50:33,998 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:50:33,999 INFO L295 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-09-14 15:50:34,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:50:34,029 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-09-14 15:50:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:34,111 INFO L316 TraceCheckSpWp]: Computing backward predicates... [2018-09-14 15:50:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-09-14 15:50:34,372 INFO L313 seRefinementStrategy]: Constructing automaton from 1 perfect and 4 imperfect interpolant sequences. [2018-09-14 15:50:34,372 INFO L328 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [10, 11, 9, 8] total 19 [2018-09-14 15:50:34,372 INFO L265 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-09-14 15:50:34,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-09-14 15:50:34,373 INFO L147 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-09-14 15:50:34,376 INFO L148 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=264, Unknown=0, NotChecked=0, Total=342 [2018-09-14 15:50:34,376 INFO L87 Difference]: Start difference. First operand 27 states and 29 transitions. Second operand 8 states. [2018-09-14 15:50:38,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-09-14 15:50:38,744 INFO L93 Difference]: Finished difference Result 38 states and 40 transitions. [2018-09-14 15:50:38,744 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2018-09-14 15:50:38,745 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 19 [2018-09-14 15:50:38,745 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-09-14 15:50:38,746 INFO L225 Difference]: With dead ends: 38 [2018-09-14 15:50:38,746 INFO L226 Difference]: Without dead ends: 36 [2018-09-14 15:50:38,747 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 55 SyntacticMatches, 13 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 168 ImplicationChecksByTransitivity, 2.1s TimeCoverageRelationStatistics Valid=86, Invalid=294, Unknown=0, NotChecked=0, Total=380 [2018-09-14 15:50:38,747 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-09-14 15:50:38,752 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 26. [2018-09-14 15:50:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 26 states. [2018-09-14 15:50:38,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 26 states to 26 states and 27 transitions. [2018-09-14 15:50:38,754 INFO L78 Accepts]: Start accepts. Automaton has 26 states and 27 transitions. Word has length 19 [2018-09-14 15:50:38,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-09-14 15:50:38,754 INFO L480 AbstractCegarLoop]: Abstraction has 26 states and 27 transitions. [2018-09-14 15:50:38,754 INFO L481 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-09-14 15:50:38,755 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 27 transitions. [2018-09-14 15:50:38,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-09-14 15:50:38,755 INFO L368 BasicCegarLoop]: Found error trace [2018-09-14 15:50:38,755 INFO L376 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-09-14 15:50:38,756 INFO L423 AbstractCegarLoop]: === Iteration 4 === [__VERIFIER_assertErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-09-14 15:50:38,756 INFO L82 PathProgramCache]: Analyzing trace with hash -1908848221, now seen corresponding path program 1 times [2018-09-14 15:50:38,756 INFO L69 tionRefinementEngine]: Using refinement strategy RubberTaipanRefinementStrategy [2018-09-14 15:50:38,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:38,757 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-09-14 15:50:38,757 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-09-14 15:50:38,758 INFO L295 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-09-14 15:50:38,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-09-14 15:50:39,033 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:91) at de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createCCEquality(EqualityProxy.java:112) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.mbtc(LinArSolve.java:2063) at de.uni_freiburg.informatik.ultimate.smtinterpol.theory.linar.LinArSolve.computeConflictClause(LinArSolve.java:618) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.checkConsistency(DPLLEngine.java:1027) at de.uni_freiburg.informatik.ultimate.smtinterpol.dpll.DPLLEngine.solve(DPLLEngine.java:1171) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol$CheckType$1.check(SMTInterpol.java:114) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSatAssuming(SMTInterpol.java:502) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.checkSat(SMTInterpol.java:455) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:974) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:282) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:271) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:207) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:109) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:211) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructTraceCheck(TraceCheckConstructor.java:183) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:165) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseTaipanRefinementStrategy.getTraceCheck(BaseTaipanRefinementStrategy.java:223) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:224) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:198) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:70) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:430) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:434) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:375) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:313) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:155) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:124) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:123) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:316) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.run(DefaultToolchainJob.java:145) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-09-14 15:50:39,040 INFO L168 Benchmark]: Toolchain (without parser) took 9072.28 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.0 GB in the end (delta: -621.9 MB). Peak memory consumption was 112.1 MB. Max. memory is 7.1 GB. [2018-09-14 15:50:39,042 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:50:39,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 254.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. [2018-09-14 15:50:39,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 24.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:50:39,045 INFO L168 Benchmark]: Boogie Preprocessor took 23.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. [2018-09-14 15:50:39,046 INFO L168 Benchmark]: RCFGBuilder took 620.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. [2018-09-14 15:50:39,048 INFO L168 Benchmark]: TraceAbstraction took 8142.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 147.3 MB). Peak memory consumption was 147.3 MB. Max. memory is 7.1 GB. [2018-09-14 15:50:39,055 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.5 GB. Free memory is still 1.5 GB. There was no memory consumed. Max. memory is 7.1 GB. * CACSL2BoogieTranslator took 254.61 ms. Allocated memory is still 1.5 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 7.1 GB. * Boogie Procedure Inliner took 24.80 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * Boogie Preprocessor took 23.91 ms. Allocated memory is still 1.5 GB. Free memory is still 1.4 GB. There was no memory consumed. Max. memory is 7.1 GB. * RCFGBuilder took 620.73 ms. Allocated memory was 1.5 GB in the beginning and 2.3 GB in the end (delta: 734.0 MB). Free memory was 1.4 GB in the beginning and 2.2 GB in the end (delta: -779.7 MB). Peak memory consumption was 26.5 MB. Max. memory is 7.1 GB. * TraceAbstraction took 8142.02 ms. Allocated memory is still 2.3 GB. Free memory was 2.2 GB in the beginning and 2.0 GB in the end (delta: 147.3 MB). Peak memory consumption was 147.3 MB. Max. memory is 7.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.smtinterpol.convert.EqualityProxy.createLAEquality(EqualityProxy.java:91) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/csv/simple_array_index_value_true-unreach-call4_true-termination.i_svcomp-Reach-64bit-RubberTaipan_Default-OldIcfg.epf_AutomizerCInline.xml/Csv-Benchmark-0-2018-09-14_15-50-39-077.csv Received shutdown request...