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/knapsack_alloca_unsafe_false-valid-deref.i
--------------------------------------------------------------------------------
This is Ultimate 0.1.23-26d9e06-m
[2018-02-02 10:35:55,252 INFO L170 SettingsManager]: Resetting all preferences to default values...
[2018-02-02 10:35:55,253 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values
[2018-02-02 10:35:55,265 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring...
[2018-02-02 10:35:55,265 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values
[2018-02-02 10:35:55,265 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values
[2018-02-02 10:35:55,266 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values
[2018-02-02 10:35:55,268 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values
[2018-02-02 10:35:55,270 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values
[2018-02-02 10:35:55,270 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values
[2018-02-02 10:35:55,271 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring...
[2018-02-02 10:35:55,271 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values
[2018-02-02 10:35:55,272 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values
[2018-02-02 10:35:55,273 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values
[2018-02-02 10:35:55,274 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values
[2018-02-02 10:35:55,275 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values
[2018-02-02 10:35:55,277 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values
[2018-02-02 10:35:55,278 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values
[2018-02-02 10:35:55,279 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values
[2018-02-02 10:35:55,280 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values
[2018-02-02 10:35:55,282 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring...
[2018-02-02 10:35:55,283 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring...
[2018-02-02 10:35:55,283 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values
[2018-02-02 10:35:55,284 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values
[2018-02-02 10:35:55,284 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values
[2018-02-02 10:35:55,285 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring...
[2018-02-02 10:35:55,286 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values
[2018-02-02 10:35:55,286 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring...
[2018-02-02 10:35:55,286 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring...
[2018-02-02 10:35:55,286 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values
[2018-02-02 10:35:55,287 INFO L181 SettingsManager]: Finished resetting all preferences to default values...
[2018-02-02 10:35:55,287 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 10:35:55,296 INFO L110 SettingsManager]: Loading preferences was successful
[2018-02-02 10:35:55,296 INFO L112 SettingsManager]: Preferences different from defaults after loading the file:
[2018-02-02 10:35:55,297 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults:
[2018-02-02 10:35:55,297 INFO L133 SettingsManager]: * Create parallel compositions if possible=false
[2018-02-02 10:35:55,297 INFO L133 SettingsManager]: * Use SBE=true
[2018-02-02 10:35:55,298 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults:
[2018-02-02 10:35:55,298 INFO L133 SettingsManager]: * sizeof long=4
[2018-02-02 10:35:55,298 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false
[2018-02-02 10:35:55,298 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true
[2018-02-02 10:35:55,298 INFO L133 SettingsManager]: * sizeof POINTER=4
[2018-02-02 10:35:55,298 INFO L133 SettingsManager]: * Check division by zero=IGNORE
[2018-02-02 10:35:55,298 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true
[2018-02-02 10:35:55,299 INFO L133 SettingsManager]: * Bitprecise bitfields=true
[2018-02-02 10:35:55,299 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true
[2018-02-02 10:35:55,299 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE
[2018-02-02 10:35:55,299 INFO L133 SettingsManager]: * sizeof long double=12
[2018-02-02 10:35:55,299 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults:
[2018-02-02 10:35:55,299 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements
[2018-02-02 10:35:55,299 INFO L133 SettingsManager]: * To the following directory=./dump/
[2018-02-02 10:35:55,300 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode
[2018-02-02 10:35:55,300 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000
[2018-02-02 10:35:55,300 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults:
[2018-02-02 10:35:55,300 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation
[2018-02-02 10:35:55,300 INFO L133 SettingsManager]: * SMT solver=Internal_SMTInterpol_NoArrayInterpol
[2018-02-02 10:35:55,330 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp
[2018-02-02 10:35:55,338 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized
[2018-02-02 10:35:55,340 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected.
[2018-02-02 10:35:55,341 INFO L271 PluginConnector]: Initializing CDTParser...
[2018-02-02 10:35:55,341 INFO L276 PluginConnector]: CDTParser initialized
[2018-02-02 10:35:55,342 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i
[2018-02-02 10:35:55,469 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] #######################
[2018-02-02 10:35:55,470 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements.
[2018-02-02 10:35:55,470 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator----------------------------
[2018-02-02 10:35:55,470 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator...
[2018-02-02 10:35:55,474 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized
[2018-02-02 10:35:55,474 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:35:55" (1/1) ...
[2018-02-02 10:35:55,476 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 10:35:55, skipping insertion in model container
[2018-02-02 10:35:55,476 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 10:35:55" (1/1) ...
[2018-02-02 10:35:55,486 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 10:35:55,512 INFO L153 Dispatcher]: Using SV-COMP mode
[2018-02-02 10:35:55,602 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 10:35:55,618 INFO L450 PostProcessor]: Settings: Checked method=main
[2018-02-02 10:35:55,624 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 10:35:55 WrapperNode
[2018-02-02 10:35:55,624 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator----------------------------
[2018-02-02 10:35:55,625 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor----------------------------
[2018-02-02 10:35:55,625 INFO L271 PluginConnector]: Initializing Boogie Preprocessor...
[2018-02-02 10:35:55,625 INFO L276 PluginConnector]: Boogie Preprocessor initialized
[2018-02-02 10:35:55,639 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 10:35:55,639 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 10:35:55,646 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 10:35:55,646 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 10:35:55,649 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 10:35:55,652 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 10:35:55,653 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 10:35:55,654 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor----------------------------
[2018-02-02 10:35:55,655 INFO L113 PluginConnector]: ------------------------RCFGBuilder----------------------------
[2018-02-02 10:35:55,655 INFO L271 PluginConnector]: Initializing RCFGBuilder...
[2018-02-02 10:35:55,655 INFO L276 PluginConnector]: RCFGBuilder initialized
[2018-02-02 10:35:55,656 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 10:35:55,694 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init
[2018-02-02 10:35:55,695 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start
[2018-02-02 10:35:55,695 INFO L136 BoogieDeclarations]: Found implementation of procedure knapsack
[2018-02-02 10:35:55,695 INFO L136 BoogieDeclarations]: Found implementation of procedure main
[2018-02-02 10:35:55,695 INFO L128 BoogieDeclarations]: Found specification of procedure write~int
[2018-02-02 10:35:55,695 INFO L128 BoogieDeclarations]: Found specification of procedure read~int
[2018-02-02 10:35:55,695 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free
[2018-02-02 10:35:55,695 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc
[2018-02-02 10:35:55,695 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc
[2018-02-02 10:35:55,696 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int
[2018-02-02 10:35:55,696 INFO L128 BoogieDeclarations]: Found specification of procedure knapsack
[2018-02-02 10:35:55,696 INFO L128 BoogieDeclarations]: Found specification of procedure main
[2018-02-02 10:35:55,696 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init
[2018-02-02 10:35:55,696 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start
[2018-02-02 10:35:55,920 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start)
[2018-02-02 10:35:55,921 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:35:55 BoogieIcfgContainer
[2018-02-02 10:35:55,921 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder----------------------------
[2018-02-02 10:35:55,922 INFO L113 PluginConnector]: ------------------------TraceAbstraction----------------------------
[2018-02-02 10:35:55,922 INFO L271 PluginConnector]: Initializing TraceAbstraction...
[2018-02-02 10:35:55,924 INFO L276 PluginConnector]: TraceAbstraction initialized
[2018-02-02 10:35:55,924 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 10:35:55" (1/3) ...
[2018-02-02 10:35:55,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f95bddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:35:55, skipping insertion in model container
[2018-02-02 10:35:55,925 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 10:35:55,925 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1f95bddf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 10:35:55, skipping insertion in model container
[2018-02-02 10:35:55,925 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 10:35:55" (3/3) ...
[2018-02-02 10:35:55,926 INFO L107 eAbstractionObserver]: Analyzing ICFG knapsack_alloca_unsafe_false-valid-deref.i
[2018-02-02 10:35:55,932 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION
[2018-02-02 10:35:55,937 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations.
[2018-02-02 10:35:55,960 INFO L322 AbstractCegarLoop]: Interprodecural is true
[2018-02-02 10:35:55,960 INFO L323 AbstractCegarLoop]: Hoare is false
[2018-02-02 10:35:55,960 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation
[2018-02-02 10:35:55,960 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL
[2018-02-02 10:35:55,960 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION
[2018-02-02 10:35:55,960 INFO L327 AbstractCegarLoop]: Difference is false
[2018-02-02 10:35:55,961 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA
[2018-02-02 10:35:55,961 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce========
[2018-02-02 10:35:55,961 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure
[2018-02-02 10:35:55,970 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states.
[2018-02-02 10:35:55,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24
[2018-02-02 10:35:55,978 INFO L343 BasicCegarLoop]: Found error trace
[2018-02-02 10:35:55,979 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1]
[2018-02-02 10:35:55,979 INFO L371 AbstractCegarLoop]: === Iteration 1 === [knapsackErr15RequiresViolation, knapsackErr10RequiresViolation, knapsackErr8RequiresViolation, knapsackErr11RequiresViolation, knapsackErr3RequiresViolation, knapsackErr18RequiresViolation, knapsackErr4RequiresViolation, knapsackErr6RequiresViolation, knapsackErr13RequiresViolation, knapsackErr17RequiresViolation, knapsackErr1RequiresViolation, knapsackErr9RequiresViolation, knapsackErr0RequiresViolation, knapsackErr16RequiresViolation, knapsackErr2RequiresViolation, knapsackErr14RequiresViolation, knapsackErr12RequiresViolation, knapsackErr7RequiresViolation, knapsackErr5RequiresViolation, knapsackErr19RequiresViolation, mainErr0EnsuresViolation]===
[2018-02-02 10:35:55,982 INFO L82 PathProgramCache]: Analyzing trace with hash 1838284533, now seen corresponding path program 1 times
[2018-02-02 10:35:56,017 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy
[2018-02-02 10:35:56,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat
[2018-02-02 10:35:56,080 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs.
[2018-02-02 10:35:56,098 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.<init>(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.<init>(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.<init>(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.<init>(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$Toolchain.processToolchain(ToolchainManager.java:324)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221)
at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134)
at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55)
[2018-02-02 10:35:56,101 INFO L168 Benchmark]: Toolchain (without parser) took 631.84 ms. Allocated memory is still 401.1 MB. Free memory was 356.4 MB in the beginning and 306.0 MB in the end (delta: 50.4 MB). Peak memory consumption was 50.4 MB. Max. memory is 5.3 GB.
[2018-02-02 10:35:56,102 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
[2018-02-02 10:35:56,102 INFO L168 Benchmark]: CACSL2BoogieTranslator took 154.74 ms. Allocated memory is still 401.1 MB. Free memory was 355.1 MB in the beginning and 344.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
[2018-02-02 10:35:56,103 INFO L168 Benchmark]: Boogie Preprocessor took 29.54 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 343.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
[2018-02-02 10:35:56,103 INFO L168 Benchmark]: RCFGBuilder took 266.09 ms. Allocated memory is still 401.1 MB. Free memory was 343.2 MB in the beginning and 318.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB.
[2018-02-02 10:35:56,104 INFO L168 Benchmark]: TraceAbstraction took 178.78 ms. Allocated memory is still 401.1 MB. Free memory was 318.0 MB in the beginning and 306.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 5.3 GB.
[2018-02-02 10:35:56,106 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] #######################
--- Results ---
* Results from de.uni_freiburg.informatik.ultimate.core:
- StatisticsResult: Toolchain Benchmarks
Benchmark results are:
* CDTParser took 0.14 ms. Allocated memory is still 401.1 MB. Free memory is still 361.7 MB. There was no memory consumed. Max. memory is 5.3 GB.
* CACSL2BoogieTranslator took 154.74 ms. Allocated memory is still 401.1 MB. Free memory was 355.1 MB in the beginning and 344.5 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB.
* Boogie Preprocessor took 29.54 ms. Allocated memory is still 401.1 MB. Free memory was 344.5 MB in the beginning and 343.2 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB.
* RCFGBuilder took 266.09 ms. Allocated memory is still 401.1 MB. Free memory was 343.2 MB in the beginning and 318.0 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB.
* TraceAbstraction took 178.78 ms. Allocated memory is still 401.1 MB. Free memory was 318.0 MB in the beginning and 306.0 MB in the end (delta: 12.0 MB). Peak memory consumption was 12.0 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/knapsack_alloca_unsafe_false-valid-deref.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-02_10-35-56-113.csv
Received shutdown request...