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/cade18-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-a74eeac-m [2018-02-02 20:58:48,827 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-02 20:58:48,829 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-02 20:58:48,838 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-02 20:58:48,839 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-02 20:58:48,840 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-02 20:58:48,841 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-02 20:58:48,842 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-02 20:58:48,843 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-02 20:58:48,844 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-02 20:58:48,844 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-02 20:58:48,844 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-02 20:58:48,845 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-02 20:58:48,846 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-02 20:58:48,847 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-02 20:58:48,849 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-02 20:58:48,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-02 20:58:48,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-02 20:58:48,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-02 20:58:48,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-02 20:58:48,855 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-02 20:58:48,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-02 20:58:48,856 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-02 20:58:48,857 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-02 20:58:48,857 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-02 20:58:48,858 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-02 20:58:48,859 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-02 20:58:48,859 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-02 20:58:48,859 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-02 20:58:48,859 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-02 20:58:48,860 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-02 20:58:48,860 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_NoArray.epf [2018-02-02 20:58:48,870 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-02 20:58:48,870 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-02 20:58:48,871 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-02 20:58:48,871 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-02 20:58:48,872 INFO L133 SettingsManager]: * Use SBE=true [2018-02-02 20:58:48,872 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-02 20:58:48,872 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-02 20:58:48,872 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-02 20:58:48,872 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-02 20:58:48,872 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-02 20:58:48,873 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-02 20:58:48,873 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-02 20:58:48,873 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-02 20:58:48,873 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-02 20:58:48,873 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-02 20:58:48,873 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-02 20:58:48,874 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-02 20:58:48,874 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-02 20:58:48,874 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-02 20:58:48,874 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-02 20:58:48,874 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-02 20:58:48,874 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-02 20:58:48,875 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-02-02 20:58:48,875 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-02-02 20:58:48,875 INFO L133 SettingsManager]: * Trace refinement strategy=SMTINTERPOL [2018-02-02 20:58:48,904 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-02 20:58:48,912 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-02 20:58:48,914 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-02 20:58:48,915 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-02 20:58:48,915 INFO L276 PluginConnector]: CDTParser initialized [2018-02-02 20:58:48,916 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i [2018-02-02 20:58:49,035 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-02 20:58:49,036 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-02 20:58:49,037 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-02 20:58:49,037 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-02 20:58:49,043 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-02 20:58:49,044 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,047 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43f9b4aa and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49, skipping insertion in model container [2018-02-02 20:58:49,047 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,061 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:58:49,091 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-02 20:58:49,177 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:58:49,188 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-02 20:58:49,192 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49 WrapperNode [2018-02-02 20:58:49,192 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-02 20:58:49,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-02 20:58:49,193 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-02 20:58:49,193 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-02 20:58:49,202 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,202 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,210 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,210 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,214 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,215 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,216 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (1/1) ... [2018-02-02 20:58:49,217 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-02 20:58:49,218 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-02 20:58:49,218 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-02 20:58:49,218 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-02 20:58:49,218 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (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 20:58:49,251 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-02 20:58:49,251 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-02 20:58:49,251 INFO L136 BoogieDeclarations]: Found implementation of procedure knapsack [2018-02-02 20:58:49,251 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-02 20:58:49,251 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-02 20:58:49,251 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-02 20:58:49,251 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure knapsack [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-02 20:58:49,252 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-02 20:58:49,452 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-02 20:58:49,452 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:58:49 BoogieIcfgContainer [2018-02-02 20:58:49,452 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-02 20:58:49,453 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-02 20:58:49,453 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-02 20:58:49,455 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-02 20:58:49,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.02 08:58:49" (1/3) ... [2018-02-02 20:58:49,455 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fe3908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:58:49, skipping insertion in model container [2018-02-02 20:58:49,455 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.02 08:58:49" (2/3) ... [2018-02-02 20:58:49,456 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@39fe3908 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.02 08:58:49, skipping insertion in model container [2018-02-02 20:58:49,456 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.02 08:58:49" (3/3) ... [2018-02-02 20:58:49,457 INFO L107 eAbstractionObserver]: Analyzing ICFG knapsack_alloca_unsafe_false-valid-deref.i [2018-02-02 20:58:49,462 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-02-02 20:58:49,467 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-02-02 20:58:49,496 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-02 20:58:49,496 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-02 20:58:49,496 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-02-02 20:58:49,496 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-02-02 20:58:49,496 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-02 20:58:49,497 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-02 20:58:49,497 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-02 20:58:49,497 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-02 20:58:49,497 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-02 20:58:49,509 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2018-02-02 20:58:49,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-02 20:58:49,518 INFO L343 BasicCegarLoop]: Found error trace [2018-02-02 20:58:49,519 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 20:58:49,519 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 20:58:49,523 INFO L82 PathProgramCache]: Analyzing trace with hash 1838284533, now seen corresponding path program 1 times [2018-02-02 20:58:49,525 INFO L213 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS_NO_ARRAY [2018-02-02 20:58:49,526 INFO L67 tionRefinementEngine]: Using refinement strategy SmtInterpolRefinementStrategy [2018-02-02 20:58:49,556 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:49,556 INFO L109 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-02-02 20:58:49,557 INFO L125 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-02-02 20:58:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-02 20:58:49,614 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-02 20:58:49,632 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.MultiTrackTraceAbstractionRefinementStrategy.getTraceCheck(MultiTrackTraceAbstractionRefinementStrategy.java:222) 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$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-02-02 20:58:49,635 INFO L168 Benchmark]: Toolchain (without parser) took 599.76 ms. Allocated memory is still 408.9 MB. Free memory was 362.8 MB in the beginning and 311.2 MB in the end (delta: 51.6 MB). Peak memory consumption was 51.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:49,636 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 408.9 MB. Free memory is still 368.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-02 20:58:49,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.98 ms. Allocated memory is still 408.9 MB. Free memory was 362.8 MB in the beginning and 352.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:49,637 INFO L168 Benchmark]: Boogie Preprocessor took 24.55 ms. Allocated memory is still 408.9 MB. Free memory was 352.2 MB in the beginning and 349.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:49,638 INFO L168 Benchmark]: RCFGBuilder took 234.54 ms. Allocated memory is still 408.9 MB. Free memory was 349.6 MB in the beginning and 324.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:49,638 INFO L168 Benchmark]: TraceAbstraction took 181.80 ms. Allocated memory is still 408.9 MB. Free memory was 324.4 MB in the beginning and 311.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 MB. Max. memory is 5.3 GB. [2018-02-02 20:58:49,641 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 408.9 MB. Free memory is still 368.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 155.98 ms. Allocated memory is still 408.9 MB. Free memory was 362.8 MB in the beginning and 352.2 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.55 ms. Allocated memory is still 408.9 MB. Free memory was 352.2 MB in the beginning and 349.6 MB in the end (delta: 2.6 MB). Peak memory consumption was 2.6 MB. Max. memory is 5.3 GB. * RCFGBuilder took 234.54 ms. Allocated memory is still 408.9 MB. Free memory was 349.6 MB in the beginning and 324.4 MB in the end (delta: 25.1 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. * TraceAbstraction took 181.80 ms. Allocated memory is still 408.9 MB. Free memory was 324.4 MB in the beginning and 311.2 MB in the end (delta: 13.3 MB). Peak memory consumption was 13.3 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_20-58-49-649.csv Received shutdown request...