java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf -i ../../../trunk/examples/svcomp/array-memsafety/lis_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:35:55,482 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:35:55,483 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:35:55,495 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:35:55,495 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:35:55,496 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:35:55,497 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:35:55,499 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:35:55,500 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:35:55,500 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:35:55,501 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:35:55,501 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:35:55,502 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:35:55,503 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:35:55,504 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:35:55,506 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:35:55,507 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:35:55,509 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:35:55,510 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:35:55,511 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:35:55,513 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:35:55,513 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:35:55,513 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:35:55,514 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:35:55,515 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:35:55,516 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:35:55,516 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:35:55,517 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:35:55,517 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:35:55,517 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:35:55,517 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:35:55,518 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cav18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 10:35:55,527 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:35:55,527 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:35:55,529 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:35:55,529 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:35:55,529 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:35:55,529 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:35:55,529 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:35:55,530 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:35:55,531 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:35:55,531 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:35:55,531 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:35:55,531 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:35:55,531 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:35:55,531 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:35:55,531 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:35:55,532 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:35:55,532 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:35:55,532 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:35:55,562 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:35:55,572 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:35:55,575 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:35:55,577 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:35:55,577 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:35:55,578 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/lis_unsafe_false-valid-deref.i [2018-02-02 10:35:55,697 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:35:55,698 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:35:55,699 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:35:55,699 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:35:55,705 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:35:55,705 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,707 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5858f23f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55, skipping insertion in model container [2018-02-02 10:35:55,707 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,718 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:35:55,744 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:35:55,820 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:35:55,834 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:35:55,840 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55 WrapperNode [2018-02-02 10:35:55,840 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:35:55,841 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:35:55,841 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:35:55,841 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:35:55,854 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,855 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,861 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,862 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,864 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,866 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,867 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... [2018-02-02 10:35:55,868 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:35:55,869 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:35:55,869 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:35:55,869 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:35:55,870 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (1/1) ... No working directory specified, using /home/ultimate/work/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 [2018-02-02 10:35:55,907 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:35:55,907 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:35:55,907 INFO L136 BoogieDeclarations]: Found implementation of procedure lis [2018-02-02 10:35:55,907 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:35:55,907 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:35:55,907 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:35:55,907 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:35:55,907 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:35:55,907 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure lis [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:35:55,908 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:35:56,138 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:35:56,139 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:35:56 BoogieIcfgContainer [2018-02-02 10:35:56,139 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:35:56,139 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:35:56,139 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:35:56,141 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:35:56,141 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:35:55" (1/3) ... [2018-02-02 10:35:56,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dca132f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:35:56, skipping insertion in model container [2018-02-02 10:35:56,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55" (2/3) ... [2018-02-02 10:35:56,142 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1dca132f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:35:56, skipping insertion in model container [2018-02-02 10:35:56,142 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:35:56" (3/3) ... [2018-02-02 10:35:56,144 INFO L107 eAbstractionObserver]: Analyzing ICFG lis_unsafe_false-valid-deref.i [2018-02-02 10:35:56,151 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:35:56,156 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 27 error locations. [2018-02-02 10:35:56,184 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:35:56,185 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:35:56,185 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:35:56,185 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:35:56,185 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:35:56,185 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:35:56,185 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:35:56,185 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:35:56,186 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:35:56,194 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states. [2018-02-02 10:35:56,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-02 10:35:56,203 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:35:56,204 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:35:56,204 INFO L371 AbstractCegarLoop]: === Iteration 1 === [lisErr19RequiresViolation, lisErr7RequiresViolation, lisErr5RequiresViolation, lisErr0RequiresViolation, lisErr2RequiresViolation, lisErr22RequiresViolation, lisErr12RequiresViolation, lisErr3RequiresViolation, lisErr16RequiresViolation, lisErr10RequiresViolation, lisErr6RequiresViolation, lisErr20RequiresViolation, lisErr18RequiresViolation, lisErr25RequiresViolation, lisErr13RequiresViolation, lisErr23RequiresViolation, lisErr9RequiresViolation, lisErr15RequiresViolation, lisErr8RequiresViolation, lisErr17RequiresViolation, lisErr4RequiresViolation, lisErr21RequiresViolation, lisErr11RequiresViolation, lisErr1RequiresViolation, lisErr14RequiresViolation, lisErr24RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-02 10:35:56,208 INFO L82 PathProgramCache]: Analyzing trace with hash -40654889, now seen corresponding path program 1 times [2018-02-02 10:35:56,252 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:35:56,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:35:56,298 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:35:56,311 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.UnsupportedOperationException: Unknown lemma type! at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.access$1(Interpolator.java:263) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator$ProofTreeWalker.walk(Interpolator.java:132) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:122) at de.uni_freiburg.informatik.ultimate.logic.NonRecursive.run(NonRecursive.java:113) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.interpolate(Interpolator.java:220) at de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.getInterpolants(Interpolator.java:201) at de.uni_freiburg.informatik.ultimate.smtinterpol.smtlib2.SMTInterpol.getInterpolants(SMTInterpol.java:915) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:192) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:281) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:164) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsTree(InterpolatingTraceCheckCraig.java:263) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:199) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.(InterpolatingTraceCheckCraig.java:106) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.constructCraig(TraceCheckConstructor.java:222) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceCheckConstructor.get(TraceCheckConstructor.java:179) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.FixedTraceAbstractionRefinementStrategy.getTraceCheck(FixedTraceAbstractionRefinementStrategy.java:131) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.checkFeasibility(BaseRefinementStrategy.java:231) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.BaseRefinementStrategy.executeStrategy(BaseRefinementStrategy.java:205) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.tracehandling.TraceAbstractionRefinementEngine.(TraceAbstractionRefinementEngine.java:68) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.isCounterexampleFeasible(BasicCegarLoop.java:397) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:381) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:292) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:147) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:115) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:119) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 10:35:56,314 INFO L168 Benchmark]: Toolchain (without parser) took 616.91 ms. Allocated memory is still 406.8 MB. Free memory was 363.7 MB in the beginning and 315.3 MB in the end (delta: 48.4 MB). Peak memory consumption was 48.4 MB. Max. memory is 5.3 GB. [2018-02-02 10:35:56,315 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 406.8 MB. Free memory is still 370.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:35:56,316 INFO L168 Benchmark]: CACSL2BoogieTranslator took 142.25 ms. Allocated memory is still 406.8 MB. Free memory was 363.7 MB in the beginning and 353.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:35:56,316 INFO L168 Benchmark]: Boogie Preprocessor took 27.33 ms. Allocated memory is still 406.8 MB. Free memory was 353.2 MB in the beginning and 351.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:35:56,317 INFO L168 Benchmark]: RCFGBuilder took 270.02 ms. Allocated memory is still 406.8 MB. Free memory was 351.8 MB in the beginning and 325.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-02-02 10:35:56,317 INFO L168 Benchmark]: TraceAbstraction took 174.32 ms. Allocated memory is still 406.8 MB. Free memory was 325.9 MB in the beginning and 315.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:35:56,320 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 406.8 MB. Free memory is still 370.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 142.25 ms. Allocated memory is still 406.8 MB. Free memory was 363.7 MB in the beginning and 353.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 27.33 ms. Allocated memory is still 406.8 MB. Free memory was 353.2 MB in the beginning and 351.8 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 270.02 ms. Allocated memory is still 406.8 MB. Free memory was 351.8 MB in the beginning and 325.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 174.32 ms. Allocated memory is still 406.8 MB. Free memory was 325.9 MB in the beginning and 315.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: UnsupportedOperationException: Unknown lemma type! de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: UnsupportedOperationException: Unknown lemma type!: de.uni_freiburg.informatik.ultimate.smtinterpol.interpolate.Interpolator.walkLeafNode(Interpolator.java:299) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/lis_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-35-56-327.csv Received shutdown request...