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/diff-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:23:30,891 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:23:30,892 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:23:30,904 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:23:30,904 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:23:30,905 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:23:30,906 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:23:30,907 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:23:30,908 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:23:30,909 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:23:30,909 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:23:30,909 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:23:30,910 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:23:30,911 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:23:30,912 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:23:30,913 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:23:30,915 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:23:30,916 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:23:30,917 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:23:30,918 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:23:30,920 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:23:30,920 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:23:30,920 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:23:30,921 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:23:30,922 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:23:30,923 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:23:30,923 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:23:30,924 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:23:30,924 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:23:30,924 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:23:30,925 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:23:30,925 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 04:23:30,935 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:23:30,935 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:23:30,936 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:23:30,936 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:23:30,936 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:23:30,937 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:23:30,937 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:23:30,937 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:23:30,937 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:23:30,937 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:23:30,937 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:23:30,938 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:23:30,938 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:23:30,938 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:23:30,938 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:23:30,938 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:23:30,938 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:23:30,939 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:23:30,939 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:23:30,939 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:23:30,939 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:23:30,939 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:23:30,939 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:23:30,939 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:23:30,940 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:23:30,967 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:23:30,977 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:23:30,980 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:23:30,981 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:23:30,981 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:23:30,982 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/diff-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:31,109 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:23:31,111 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:23:31,111 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:31,112 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:23:31,117 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:23:31,118 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,120 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3db90158 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31, skipping insertion in model container [2018-02-04 04:23:31,120 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,134 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:31,176 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:23:31,261 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:31,273 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:23:31,279 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31 WrapperNode [2018-02-04 04:23:31,279 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:23:31,279 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:23:31,279 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:23:31,279 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:23:31,288 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,288 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,296 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,297 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,299 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,301 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,302 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (1/1) ... [2018-02-04 04:23:31,303 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:23:31,303 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:23:31,303 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:23:31,303 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:23:31,304 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (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 04:23:31,337 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:23:31,338 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:23:31,338 INFO L136 BoogieDeclarations]: Found implementation of procedure diff [2018-02-04 04:23:31,338 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure diff [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:23:31,338 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:23:31,525 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:23:31,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:31 BoogieIcfgContainer [2018-02-04 04:23:31,526 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:23:31,527 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:23:31,527 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:23:31,529 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:23:31,529 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:23:31" (1/3) ... [2018-02-04 04:23:31,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6094557d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:31, skipping insertion in model container [2018-02-04 04:23:31,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:23:31" (2/3) ... [2018-02-04 04:23:31,530 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6094557d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:23:31, skipping insertion in model container [2018-02-04 04:23:31,530 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:23:31" (3/3) ... [2018-02-04 04:23:31,532 INFO L107 eAbstractionObserver]: Analyzing ICFG diff-alloca_true-valid-memsafety_true-termination.i [2018-02-04 04:23:31,537 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:23:31,543 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 9 error locations. [2018-02-04 04:23:31,575 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:23:31,575 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:23:31,575 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:23:31,575 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:23:31,575 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:23:31,576 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:23:31,576 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:23:31,576 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:23:31,576 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:23:31,585 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states. [2018-02-04 04:23:31,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-02-04 04:23:31,594 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:23:31,596 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] [2018-02-04 04:23:31,596 INFO L371 AbstractCegarLoop]: === Iteration 1 === [diffErr2RequiresViolation, diffErr4RequiresViolation, diffErr0RequiresViolation, diffErr6RequiresViolation, diffErr5RequiresViolation, diffErr1RequiresViolation, diffErr3RequiresViolation, diffErr7RequiresViolation, mainErr0EnsuresViolation]=== [2018-02-04 04:23:31,600 INFO L82 PathProgramCache]: Analyzing trace with hash -24174499, 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 04:23:31,615 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:23:31,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:23:31,659 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:23:31,677 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:31,678 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:31,678 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:31,679 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:31,680 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:31,680 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:23:31,730 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 541 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:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.InterpolatingTraceCheckCraig.computeInterpolants(InterpolatingTraceCheckCraig.java:196) 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 04:23:31,734 INFO L168 Benchmark]: Toolchain (without parser) took 624.31 ms. Allocated memory is still 400.0 MB. Free memory was 358.2 MB in the beginning and 310.2 MB in the end (delta: 48.0 MB). Peak memory consumption was 48.0 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:31,736 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 400.0 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:23:31,736 INFO L168 Benchmark]: CACSL2BoogieTranslator took 167.68 ms. Allocated memory is still 400.0 MB. Free memory was 356.9 MB in the beginning and 346.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:31,737 INFO L168 Benchmark]: Boogie Preprocessor took 23.91 ms. Allocated memory is still 400.0 MB. Free memory was 346.3 MB in the beginning and 345.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:31,738 INFO L168 Benchmark]: RCFGBuilder took 222.67 ms. Allocated memory is still 400.0 MB. Free memory was 345.0 MB in the beginning and 324.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:31,738 INFO L168 Benchmark]: TraceAbstraction took 206.98 ms. Allocated memory is still 400.0 MB. Free memory was 324.4 MB in the beginning and 310.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:23:31,741 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 400.0 MB. Free memory is still 363.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 167.68 ms. Allocated memory is still 400.0 MB. Free memory was 356.9 MB in the beginning and 346.3 MB in the end (delta: 10.6 MB). Peak memory consumption was 10.6 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 23.91 ms. Allocated memory is still 400.0 MB. Free memory was 346.3 MB in the beginning and 345.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 222.67 ms. Allocated memory is still 400.0 MB. Free memory was 345.0 MB in the beginning and 324.4 MB in the end (delta: 20.6 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 206.98 ms. Allocated memory is still 400.0 MB. Free memory was 324.4 MB in the beginning and 310.2 MB in the end (delta: 14.2 MB). Peak memory consumption was 14.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 541 column 16: unknown constant %1 de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 541 column 16: unknown constant %1: de.uni_freiburg.informatik.ultimate.smtsolver.external.Parser$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/diff-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-23-31-749.csv Received shutdown request...