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/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-26d9e06-m [2018-02-02 10:36:52,594 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 10:36:52,595 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 10:36:52,607 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 10:36:52,607 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 10:36:52,607 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 10:36:52,608 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 10:36:52,610 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 10:36:52,611 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 10:36:52,612 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 10:36:52,612 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 10:36:52,613 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 10:36:52,613 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 10:36:52,614 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 10:36:52,615 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 10:36:52,617 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 10:36:52,618 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 10:36:52,620 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 10:36:52,620 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 10:36:52,621 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 10:36:52,623 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 10:36:52,623 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 10:36:52,623 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 10:36:52,624 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 10:36:52,625 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 10:36:52,625 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 10:36:52,626 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 10:36:52,626 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 10:36:52,626 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 10:36:52,626 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 10:36:52,627 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 10:36:52,627 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 10:36:52,635 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 10:36:52,635 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 10:36:52,636 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 10:36:52,636 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 10:36:52,636 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 10:36:52,636 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 10:36:52,636 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 10:36:52,636 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 10:36:52,637 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 10:36:52,637 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 10:36:52,638 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 10:36:52,638 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 10:36:52,638 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 10:36:52,638 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-02 10:36:52,638 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol [2018-02-02 10:36:52,662 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 10:36:52,670 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 10:36:52,672 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 10:36:52,673 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 10:36:52,673 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 10:36:52,674 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:52,801 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 10:36:52,802 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 10:36:52,803 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:52,803 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 10:36:52,807 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 10:36:52,807 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,809 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@33a17581 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52, skipping insertion in model container [2018-02-02 10:36:52,809 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,819 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:52,845 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 10:36:52,936 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:52,951 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 10:36:52,957 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52 WrapperNode [2018-02-02 10:36:52,957 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 10:36:52,958 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 10:36:52,958 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 10:36:52,958 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 10:36:52,970 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,970 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,976 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,976 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,980 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,982 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,983 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (1/1) ... [2018-02-02 10:36:52,985 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 10:36:52,985 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 10:36:52,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 10:36:52,985 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 10:36:52,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (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 10:36:53,022 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 10:36:53,022 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 10:36:53,022 INFO L136 BoogieDeclarations]: Found implementation of procedure cstrncmp [2018-02-02 10:36:53,023 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure cstrncmp [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 10:36:53,023 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 10:36:53,206 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 10:36:53,206 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:53 BoogieIcfgContainer [2018-02-02 10:36:53,206 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 10:36:53,207 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 10:36:53,207 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 10:36:53,208 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 10:36:53,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:36:52" (1/3) ... [2018-02-02 10:36:53,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3446a249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:53, skipping insertion in model container [2018-02-02 10:36:53,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:36:52" (2/3) ... [2018-02-02 10:36:53,209 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3446a249 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:36:53, skipping insertion in model container [2018-02-02 10:36:53,209 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:36:53" (3/3) ... [2018-02-02 10:36:53,211 INFO L107 eAbstractionObserver]: Analyzing ICFG openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i [2018-02-02 10:36:53,218 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-02 10:36:53,223 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 15 error locations. [2018-02-02 10:36:53,245 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 10:36:53,245 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 10:36:53,245 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-02 10:36:53,245 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-02 10:36:53,246 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 10:36:53,246 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 10:36:53,246 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 10:36:53,246 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 10:36:53,246 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 10:36:53,256 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states. [2018-02-02 10:36:53,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-02-02 10:36:53,262 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 10:36:53,262 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-02 10:36:53,263 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr3RequiresViolation, mainErr1RequiresViolation, mainErr2RequiresViolation, mainErr0RequiresViolation, mainErr4EnsuresViolation, cstrncmpErr1RequiresViolation, cstrncmpErr5RequiresViolation, cstrncmpErr6RequiresViolation, cstrncmpErr0RequiresViolation, cstrncmpErr4RequiresViolation, cstrncmpErr7RequiresViolation, cstrncmpErr2RequiresViolation, cstrncmpErr3RequiresViolation, cstrncmpErr8RequiresViolation, cstrncmpErr9RequiresViolation]=== [2018-02-02 10:36:53,265 INFO L82 PathProgramCache]: Analyzing trace with hash -417514722, now seen corresponding path program 1 times [2018-02-02 10:36:53,301 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-02 10:36:53,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 10:36:53,342 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 10:36:53,355 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 10:36:53,361 INFO L168 Benchmark]: Toolchain (without parser) took 559.17 ms. Allocated memory is still 395.3 MB. Free memory was 353.3 MB in the beginning and 307.0 MB in the end (delta: 46.3 MB). Peak memory consumption was 46.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:53,362 INFO L168 Benchmark]: CDTParser took 0.09 ms. Allocated memory is still 395.3 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 10:36:53,362 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.55 ms. Allocated memory is still 395.3 MB. Free memory was 352.0 MB in the beginning and 341.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:53,363 INFO L168 Benchmark]: Boogie Preprocessor took 26.95 ms. Allocated memory is still 395.3 MB. Free memory was 341.4 MB in the beginning and 340.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:53,363 INFO L168 Benchmark]: RCFGBuilder took 221.18 ms. Allocated memory is still 395.3 MB. Free memory was 340.1 MB in the beginning and 318.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:53,364 INFO L168 Benchmark]: TraceAbstraction took 153.91 ms. Allocated memory is still 395.3 MB. Free memory was 318.9 MB in the beginning and 307.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 MB. Max. memory is 5.3 GB. [2018-02-02 10:36:53,366 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.09 ms. Allocated memory is still 395.3 MB. Free memory is still 358.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 154.55 ms. Allocated memory is still 395.3 MB. Free memory was 352.0 MB in the beginning and 341.4 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 26.95 ms. Allocated memory is still 395.3 MB. Free memory was 341.4 MB in the beginning and 340.1 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 221.18 ms. Allocated memory is still 395.3 MB. Free memory was 340.1 MB in the beginning and 318.9 MB in the end (delta: 21.2 MB). Peak memory consumption was 21.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 153.91 ms. Allocated memory is still 395.3 MB. Free memory was 318.9 MB in the beginning and 307.0 MB in the end (delta: 11.9 MB). Peak memory consumption was 11.9 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/openbsd_cstrncmp-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-36-53-373.csv Received shutdown request...