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_z3.epf -i ../../../trunk/examples/svcomp/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-c17473d-m [2018-02-04 20:21:02,296 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 20:21:02,297 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 20:21:02,309 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 20:21:02,309 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 20:21:02,310 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 20:21:02,310 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 20:21:02,312 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 20:21:02,313 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 20:21:02,314 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 20:21:02,315 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 20:21:02,315 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 20:21:02,315 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 20:21:02,316 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 20:21:02,317 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 20:21:02,319 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 20:21:02,320 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 20:21:02,321 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 20:21:02,322 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 20:21:02,323 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 20:21:02,325 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 20:21:02,325 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 20:21:02,325 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 20:21:02,326 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 20:21:02,327 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 20:21:02,328 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 20:21:02,328 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 20:21:02,328 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 20:21:02,328 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 20:21:02,328 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 20:21:02,329 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 20:21:02,329 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf [2018-02-04 20:21:02,338 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 20:21:02,338 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 20:21:02,339 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 20:21:02,339 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 20:21:02,339 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 20:21:02,340 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 20:21:02,340 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 20:21:02,341 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 20:21:02,341 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 20:21:02,341 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:02,367 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 20:21:02,376 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 20:21:02,379 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 20:21:02,380 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 20:21:02,380 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 20:21:02,381 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/knapsack_alloca_unsafe_false-valid-deref.i [2018-02-04 20:21:02,518 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 20:21:02,519 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 20:21:02,520 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 20:21:02,520 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 20:21:02,525 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 20:21:02,526 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,529 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5208d2f4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02, skipping insertion in model container [2018-02-04 20:21:02,529 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,540 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:21:02,567 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 20:21:02,652 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:21:02,664 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 20:21:02,668 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02 WrapperNode [2018-02-04 20:21:02,669 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 20:21:02,669 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 20:21:02,669 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 20:21:02,669 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 20:21:02,678 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,679 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,686 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,686 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,689 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,691 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,692 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (1/1) ... [2018-02-04 20:21:02,693 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 20:21:02,694 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 20:21:02,694 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 20:21:02,694 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 20:21:02,695 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (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 [2018-02-04 20:21:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 20:21:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 20:21:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure knapsack [2018-02-04 20:21:02,744 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 20:21:02,744 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 20:21:02,744 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 20:21:02,744 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure knapsack [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 20:21:02,745 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 20:21:02,999 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 20:21:02,999 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:21:02 BoogieIcfgContainer [2018-02-04 20:21:02,999 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 20:21:03,000 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 20:21:03,000 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 20:21:03,002 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 20:21:03,002 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 08:21:02" (1/3) ... [2018-02-04 20:21:03,003 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c8450c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:21:03, skipping insertion in model container [2018-02-04 20:21:03,003 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 08:21:02" (2/3) ... [2018-02-04 20:21:03,004 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@79c8450c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 08:21:03, skipping insertion in model container [2018-02-04 20:21:03,004 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 08:21:02" (3/3) ... [2018-02-04 20:21:03,005 INFO L107 eAbstractionObserver]: Analyzing ICFG knapsack_alloca_unsafe_false-valid-deref.i [2018-02-04 20:21:03,013 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 20:21:03,019 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-02-04 20:21:03,051 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 20:21:03,051 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 20:21:03,051 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 20:21:03,051 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 20:21:03,051 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 20:21:03,051 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 20:21:03,052 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 20:21:03,052 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 20:21:03,052 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 20:21:03,064 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states. [2018-02-04 20:21:03,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-02-04 20:21:03,074 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 20:21:03,075 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] [2018-02-04 20:21:03,075 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]=== [2018-02-04 20:21:03,078 INFO L82 PathProgramCache]: Analyzing trace with hash 1838284533, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 20:21:03,091 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 20:21:03,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 20:21:03,149 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 20:21:03,161 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:03,161 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:03,162 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:03,163 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:03,163 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:03,163 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 20:21:03,232 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 746 column 16: unknown constant %1 at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser.do_action(Parser.java:630) at com.github.jhoenicke.javacup.runtime.LRParser.parse(LRParser.java:419) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parse(Executor.java:206) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Executor.parseSuccess(Executor.java:222) at de.uni_freiburg.informatik.ultimate.smtsolver.external.Scriptor.assertTerm(Scriptor.java:146) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.assertTerm(DiffWrapperScript.java:200) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.assertTerm(ManagedScript.java:133) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.IncrementalPlicationChecker.checkPlication(IncrementalPlicationChecker.java:120) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.checkEqualityStatus(Elim1Store.java:667) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.analyzeIndexEqualities(Elim1Store.java:759) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.Elim1Store.elim1(Elim1Store.java:300) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimOneRec(ElimStorePlain.java:221) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.doElimAllRec(ElimStorePlain.java:247) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.ElimStorePlain.elimAllRec(ElimStorePlain.java:199) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.elim(PartialQuantifierElimination.java:270) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.PartialQuantifierElimination.tryToEliminate(PartialQuantifierElimination.java:101) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computePredicates(NestedInterpolantsBuilder.java:582) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.(NestedInterpolantsBuilder.java:169) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolantsRecursive(InterpolatingTraceCheckCraig.java:298) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:200) 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) [2018-02-04 20:21:03,237 INFO L168 Benchmark]: Toolchain (without parser) took 718.62 ms. Allocated memory is still 398.5 MB. Free memory was 356.3 MB in the beginning and 301.9 MB in the end (delta: 54.4 MB). Peak memory consumption was 54.4 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:03,238 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 398.5 MB. Free memory is still 361.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 20:21:03,246 INFO L168 Benchmark]: CACSL2BoogieTranslator took 148.81 ms. Allocated memory is still 398.5 MB. Free memory was 354.9 MB in the beginning and 344.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:03,246 INFO L168 Benchmark]: Boogie Preprocessor took 24.44 ms. Allocated memory is still 398.5 MB. Free memory was 344.3 MB in the beginning and 343.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:03,247 INFO L168 Benchmark]: RCFGBuilder took 305.85 ms. Allocated memory is still 398.5 MB. Free memory was 343.0 MB in the beginning and 317.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:03,247 INFO L168 Benchmark]: TraceAbstraction took 236.33 ms. Allocated memory is still 398.5 MB. Free memory was 317.8 MB in the beginning and 301.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. [2018-02-04 20:21:03,250 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 398.5 MB. Free memory is still 361.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 148.81 ms. Allocated memory is still 398.5 MB. Free memory was 354.9 MB in the beginning and 344.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.44 ms. Allocated memory is still 398.5 MB. Free memory was 344.3 MB in the beginning and 343.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 305.85 ms. Allocated memory is still 398.5 MB. Free memory was 343.0 MB in the beginning and 317.8 MB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 236.33 ms. Allocated memory is still 398.5 MB. Free memory was 317.8 MB in the beginning and 301.9 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 746 column 16: unknown constant %1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 746 column 16: unknown constant %1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$Action$.CUP$do_action(Parser.java:1420) 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_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_20-21-03-258.csv Received shutdown request...