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/ldv-memsafety/memleaks_test19_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 04:46:04,404 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 04:46:04,406 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 04:46:04,418 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 04:46:04,418 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 04:46:04,419 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 04:46:04,420 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 04:46:04,421 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 04:46:04,422 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 04:46:04,422 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 04:46:04,423 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 04:46:04,423 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 04:46:04,424 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 04:46:04,425 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 04:46:04,425 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 04:46:04,427 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 04:46:04,428 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 04:46:04,430 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 04:46:04,431 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 04:46:04,432 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 04:46:04,433 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-02-04 04:46:04,434 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-02-04 04:46:04,434 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-02-04 04:46:04,435 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-02-04 04:46:04,435 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-02-04 04:46:04,436 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-02-04 04:46:04,436 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-02-04 04:46:04,437 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-02-04 04:46:04,437 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-02-04 04:46:04,437 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-02-04 04:46:04,438 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-02-04 04:46:04,438 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 04:46:04,447 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 04:46:04,447 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 04:46:04,448 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 04:46:04,448 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 04:46:04,449 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 04:46:04,449 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 04:46:04,449 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 04:46:04,449 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 04:46:04,449 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 04:46:04,449 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 04:46:04,450 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 04:46:04,450 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 04:46:04,450 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 04:46:04,450 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 04:46:04,450 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 04:46:04,450 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 04:46:04,450 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 04:46:04,451 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 04:46:04,451 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 04:46:04,451 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 04:46:04,451 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 04:46:04,451 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 04:46:04,451 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_NestedInterpolation [2018-02-04 04:46:04,452 INFO L133 SettingsManager]: * SMT solver=External_Z3InterpolationMode [2018-02-04 04:46:04,452 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:46:04,482 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 04:46:04,493 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 04:46:04,496 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 04:46:04,497 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 04:46:04,498 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 04:46:04,498 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test19_false-valid-free.i [2018-02-04 04:46:04,640 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 04:46:04,641 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 04:46:04,642 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 04:46:04,642 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 04:46:04,646 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 04:46:04,647 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,649 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@581e1694 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04, skipping insertion in model container [2018-02-04 04:46:04,649 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,663 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:46:04,700 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 04:46:04,779 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:46:04,791 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 04:46:04,797 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04 WrapperNode [2018-02-04 04:46:04,797 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 04:46:04,797 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 04:46:04,797 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 04:46:04,797 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 04:46:04,806 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,806 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,814 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,815 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,817 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,819 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,820 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (1/1) ... [2018-02-04 04:46:04,821 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 04:46:04,822 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 04:46:04,822 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 04:46:04,822 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 04:46:04,823 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (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 04:46:04,856 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure f19 [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure f19_undo [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure g19 [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure probe_unsafe_19 [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure disconnect_19 [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 04:46:04,857 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 04:46:04,857 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-02-04 04:46:04,857 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-02-04 04:46:04,857 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 04:46:04,857 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure f19 [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure f19_undo [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure g19 [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure probe_unsafe_19 [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure disconnect_19 [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 04:46:04,858 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 04:46:05,090 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 04:46:05,090 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:46:05 BoogieIcfgContainer [2018-02-04 04:46:05,091 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 04:46:05,091 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 04:46:05,091 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 04:46:05,093 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 04:46:05,093 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 04:46:04" (1/3) ... [2018-02-04 04:46:05,093 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348e08eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:46:05, skipping insertion in model container [2018-02-04 04:46:05,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 04:46:04" (2/3) ... [2018-02-04 04:46:05,094 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@348e08eb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 04:46:05, skipping insertion in model container [2018-02-04 04:46:05,094 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 04:46:05" (3/3) ... [2018-02-04 04:46:05,095 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test19_false-valid-free.i [2018-02-04 04:46:05,100 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 04:46:05,104 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 21 error locations. [2018-02-04 04:46:05,136 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 04:46:05,136 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 04:46:05,136 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2018-02-04 04:46:05,136 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 04:46:05,137 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 04:46:05,137 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 04:46:05,137 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 04:46:05,137 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 04:46:05,138 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 04:46:05,150 INFO L276 IsEmpty]: Start isEmpty. Operand 89 states. [2018-02-04 04:46:05,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:46:05,159 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:05,159 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:46:05,160 INFO L371 AbstractCegarLoop]: === Iteration 1 === [disconnect_19Err0RequiresViolation, disconnect_19Err1RequiresViolation, disconnect_19Err2RequiresViolation, disconnect_19Err3RequiresViolation, probe_unsafe_19Err7RequiresViolation, probe_unsafe_19Err0RequiresViolation, probe_unsafe_19Err2RequiresViolation, probe_unsafe_19Err3RequiresViolation, probe_unsafe_19Err1RequiresViolation, probe_unsafe_19Err6RequiresViolation, probe_unsafe_19Err4RequiresViolation, probe_unsafe_19Err5RequiresViolation, f19_undoErr1RequiresViolation, f19_undoErr2RequiresViolation, f19_undoErr3RequiresViolation, f19_undoErr0RequiresViolation, mainErr0EnsuresViolation, f19Err2RequiresViolation, f19Err3RequiresViolation, f19Err0RequiresViolation, f19Err1RequiresViolation]=== [2018-02-04 04:46:05,162 INFO L82 PathProgramCache]: Analyzing trace with hash 1664045335, 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 04:46:05,172 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:46:05,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:05,207 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier [2018-02-04 04:46:05,221 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:46:05,221 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:46:05,222 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:46:05,222 WARN L251 NnfTransformerHelper]: thrown away annotations [(:qid itp)] [2018-02-04 04:46:05,258 WARN L1033 $PredicateComparison]: unable to prove that (exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |c_#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)) is different from true [2018-02-04 04:46:05,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:05,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:05,328 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:46:05,356 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 04:46:05,356 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 04:46:05,356 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 04:46:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:46:05,357 INFO L182 omatonBuilderFactory]: Interpolants [97#(exists ((%0 (Array Int Int))) (! (forall ((%1 Int)) (! (= (store |#valid| %1 1) (store %0 %1 1)) :qid itp)) :qid itp)), 98#(= 1 (select |#valid| |entry_point_~#a19~0.base|)), 99#(= 1 (select |#valid| |probe_unsafe_19_#in~a.base|)), 100#(= 1 (select |#valid| probe_unsafe_19_~a.base)), 105#(and (= |#valid| |old(#valid)|) (= |#NULL.base| |old(#NULL.base)|) (= |#NULL.offset| |old(#NULL.offset)|)), 106#(and (= |#valid| |old(#valid)|) (= |old(#length)| |#length|)), 107#(= |#valid| |old(#valid)|), 92#true, 93#false] [2018-02-04 04:46:05,357 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-02-04 04:46:05,357 INFO L409 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-02-04 04:46:05,364 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-02-04 04:46:05,364 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=42, Unknown=1, NotChecked=12, Total=72 [2018-02-04 04:46:05,366 INFO L87 Difference]: Start difference. First operand 89 states. Second operand 9 states. [2018-02-04 04:46:05,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 04:46:05,828 INFO L93 Difference]: Finished difference Result 136 states and 158 transitions. [2018-02-04 04:46:05,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-02-04 04:46:05,830 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 15 [2018-02-04 04:46:05,830 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 04:46:05,840 INFO L225 Difference]: With dead ends: 136 [2018-02-04 04:46:05,841 INFO L226 Difference]: Without dead ends: 133 [2018-02-04 04:46:05,842 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 15 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 1 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=44, Invalid=86, Unknown=6, NotChecked=20, Total=156 [2018-02-04 04:46:05,923 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 133 states. [2018-02-04 04:46:05,944 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 133 to 97. [2018-02-04 04:46:05,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 97 states. [2018-02-04 04:46:05,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 97 states and 113 transitions. [2018-02-04 04:46:05,949 INFO L78 Accepts]: Start accepts. Automaton has 97 states and 113 transitions. Word has length 15 [2018-02-04 04:46:05,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 04:46:05,949 INFO L432 AbstractCegarLoop]: Abstraction has 97 states and 113 transitions. [2018-02-04 04:46:05,949 INFO L433 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-02-04 04:46:05,950 INFO L276 IsEmpty]: Start isEmpty. Operand 97 states and 113 transitions. [2018-02-04 04:46:05,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-02-04 04:46:05,951 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 04:46:05,951 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 04:46:05,951 INFO L371 AbstractCegarLoop]: === Iteration 2 === [disconnect_19Err0RequiresViolation, disconnect_19Err1RequiresViolation, disconnect_19Err2RequiresViolation, disconnect_19Err3RequiresViolation, probe_unsafe_19Err7RequiresViolation, probe_unsafe_19Err0RequiresViolation, probe_unsafe_19Err2RequiresViolation, probe_unsafe_19Err3RequiresViolation, probe_unsafe_19Err1RequiresViolation, probe_unsafe_19Err6RequiresViolation, probe_unsafe_19Err4RequiresViolation, probe_unsafe_19Err5RequiresViolation, f19_undoErr1RequiresViolation, f19_undoErr2RequiresViolation, f19_undoErr3RequiresViolation, f19_undoErr0RequiresViolation, mainErr0EnsuresViolation, f19Err2RequiresViolation, f19Err3RequiresViolation, f19Err0RequiresViolation, f19Err1RequiresViolation]=== [2018-02-04 04:46:05,952 INFO L82 PathProgramCache]: Analyzing trace with hash 1664045336, now seen corresponding path program 1 times No working directory specified, using /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-02-04 04:46:05,955 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 04:46:05,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 04:46:05,995 WARN L195 Executor]: ExternalInterpolator (z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in) stderr output: WARNING: array quantifier Unsupported proof rule: (let ((a!1 (= (+ 0 (* (- 1) (select |old(#length)_9| |entry_point_~#a19~0.base_6|))) (* (- 1) (select |old(#length)_9| |entry_point_~#a19~0.base_6|))))) (rewrite a!1)) [2018-02-04 04:46:05,996 FATAL L265 ToolchainWalker]: An unrecoverable error occured during an interaction with an SMT solver: de.uni_freiburg.informatik.ultimate.logic.SMTLIBException: line 111 column 491: theory not supported by interpolation or bad proof 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.parseInterpolants(Executor.java:255) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.readInterpolants(ScriptorWithGetInterpolants.java:136) at de.uni_freiburg.informatik.ultimate.smtsolver.external.ScriptorWithGetInterpolants.getInterpolants(ScriptorWithGetInterpolants.java:64) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.arrays.DiffWrapperScript.getInterpolants(DiffWrapperScript.java:260) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.smt.managedscript.ManagedScript.getInterpolants(ManagedScript.java:186) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.NestedInterpolantsBuilder.computeCraigInterpolants(NestedInterpolantsBuilder.java:283) 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.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 04:46:05,998 INFO L168 Benchmark]: Toolchain (without parser) took 1357.92 ms. Allocated memory was 403.7 MB in the beginning and 603.5 MB in the end (delta: 199.8 MB). Free memory was 360.5 MB in the beginning and 574.4 MB in the end (delta: -213.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:46:06,000 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:46:06,000 INFO L168 Benchmark]: CACSL2BoogieTranslator took 155.15 ms. Allocated memory is still 403.7 MB. Free memory was 360.5 MB in the beginning and 347.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:06,001 INFO L168 Benchmark]: Boogie Preprocessor took 24.05 ms. Allocated memory is still 403.7 MB. Free memory was 347.3 MB in the beginning and 346.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:06,001 INFO L168 Benchmark]: RCFGBuilder took 269.12 ms. Allocated memory is still 403.7 MB. Free memory was 346.0 MB in the beginning and 320.0 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. [2018-02-04 04:46:06,002 INFO L168 Benchmark]: TraceAbstraction took 906.84 ms. Allocated memory was 403.7 MB in the beginning and 603.5 MB in the end (delta: 199.8 MB). Free memory was 320.0 MB in the beginning and 574.4 MB in the end (delta: -254.3 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 04:46:06,004 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 403.7 MB. Free memory is still 367.2 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 155.15 ms. Allocated memory is still 403.7 MB. Free memory was 360.5 MB in the beginning and 347.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 24.05 ms. Allocated memory is still 403.7 MB. Free memory was 347.3 MB in the beginning and 346.0 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 269.12 ms. Allocated memory is still 403.7 MB. Free memory was 346.0 MB in the beginning and 320.0 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 906.84 ms. Allocated memory was 403.7 MB in the beginning and 603.5 MB in the end (delta: 199.8 MB). Free memory was 320.0 MB in the beginning and 574.4 MB in the end (delta: -254.3 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: SMTLIBException: line 111 column 491: theory not supported by interpolation or bad proof de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMTLIBException: line 111 column 491: theory not supported by interpolation or bad proof: 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/memleaks_test19_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_z3.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_04-46-06-013.csv Received shutdown request...