java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/StructInitialization1_true-valid-memsafety.c -------------------------------------------------------------------------------- This is Ultimate 0.1.23-666feb3-m [2018-04-10 15:08:46,216 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-04-10 15:08:46,218 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-04-10 15:08:46,231 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-04-10 15:08:46,231 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-04-10 15:08:46,232 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-04-10 15:08:46,233 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-04-10 15:08:46,234 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-04-10 15:08:46,236 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-04-10 15:08:46,236 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-04-10 15:08:46,237 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-04-10 15:08:46,237 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-04-10 15:08:46,238 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-04-10 15:08:46,239 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-04-10 15:08:46,240 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-04-10 15:08:46,242 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-04-10 15:08:46,243 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-04-10 15:08:46,245 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-04-10 15:08:46,245 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-04-10 15:08:46,246 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-04-10 15:08:46,248 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-04-10 15:08:46,248 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-04-10 15:08:46,249 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-04-10 15:08:46,249 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-04-10 15:08:46,250 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-04-10 15:08:46,251 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-04-10 15:08:46,251 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-04-10 15:08:46,252 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-04-10 15:08:46,252 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-04-10 15:08:46,252 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-04-10 15:08:46,253 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-04-10 15:08:46,253 INFO L98 SettingsManager]: Beginning loading settings from /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/cade18-smtinterpol/svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf [2018-04-10 15:08:46,266 INFO L110 SettingsManager]: Loading preferences was successful [2018-04-10 15:08:46,267 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-04-10 15:08:46,268 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * Use SBE=true [2018-04-10 15:08:46,268 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * sizeof long=4 [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-04-10 15:08:46,268 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * sizeof long double=12 [2018-04-10 15:08:46,269 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-04-10 15:08:46,269 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-04-10 15:08:46,269 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-04-10 15:08:46,270 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-04-10 15:08:46,298 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-04-10 15:08:46,308 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully (re)initialized [2018-04-10 15:08:46,312 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-04-10 15:08:46,314 INFO L271 PluginConnector]: Initializing CDTParser... [2018-04-10 15:08:46,314 INFO L276 PluginConnector]: CDTParser initialized [2018-04-10 15:08:46,315 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,701 INFO L225 CDTParser]: Created temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5db1c49a0 [2018-04-10 15:08:46,801 INFO L287 CDTParser]: IsIndexed: true [2018-04-10 15:08:46,801 INFO L288 CDTParser]: Found 1 translation units. [2018-04-10 15:08:46,802 INFO L168 CDTParser]: Scanning StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,803 INFO L210 ultiparseSymbolTable]: Include resolver: [2018-04-10 15:08:46,804 INFO L215 ultiparseSymbolTable]: [2018-04-10 15:08:46,804 INFO L218 ultiparseSymbolTable]: Function table: [2018-04-10 15:08:46,804 INFO L221 ultiparseSymbolTable]: Function definition of null ('main') in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,804 INFO L227 ultiparseSymbolTable]: Global variable table: [2018-04-10 15:08:46,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fStructInitialization__true_valid_memsafety_c__spinlock_t in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fStructInitialization__true_valid_memsafety_c__r in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fStructInitialization__true_valid_memsafety_c__u8 in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fStructInitialization__true_valid_memsafety_c__drbd_ratelimit_state in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fStructInitialization__true_valid_memsafety_c__drbd_ratelimit_state2 in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,804 INFO L230 ultiparseSymbolTable]: Global variable declaration of __U_MULTI_fStructInitialization__true_valid_memsafety_c__arch_spinlock_t in StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:46,817 INFO L330 CDTParser]: Deleted temporary CDT project at /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/data/FLAG5db1c49a0 [2018-04-10 15:08:46,822 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-04-10 15:08:46,823 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-04-10 15:08:46,823 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-04-10 15:08:46,824 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-04-10 15:08:46,828 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-04-10 15:08:46,829 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:08:46" (1/1) ... [2018-04-10 15:08:46,831 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@575870a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:46, skipping insertion in model container [2018-04-10 15:08:46,831 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.04 03:08:46" (1/1) ... [2018-04-10 15:08:46,843 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:08:46,852 INFO L167 Dispatcher]: Using SV-COMP mode [2018-04-10 15:08:46,975 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:08:47,010 INFO L175 PostProcessor]: Settings: Checked method=main [2018-04-10 15:08:47,021 INFO L100 SccComputation]: Graph consists of 0 InCaSumBalls and 5 non ball SCCs. Number of states in SCCs 5. [2018-04-10 15:08:47,030 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47 WrapperNode [2018-04-10 15:08:47,030 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-04-10 15:08:47,031 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-04-10 15:08:47,031 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-04-10 15:08:47,031 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-04-10 15:08:47,044 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,044 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,051 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,052 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,065 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,067 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,069 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (1/1) ... [2018-04-10 15:08:47,071 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-04-10 15:08:47,071 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-04-10 15:08:47,071 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-04-10 15:08:47,071 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-04-10 15:08:47,072 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (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 [2018-04-10 15:08:47,126 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-04-10 15:08:47,126 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-04-10 15:08:47,127 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-04-10 15:08:47,127 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-04-10 15:08:47,127 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-04-10 15:08:47,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-04-10 15:08:47,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-04-10 15:08:47,127 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-04-10 15:08:47,441 INFO L259 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-04-10 15:08:47,441 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:08:47 BoogieIcfgContainer [2018-04-10 15:08:47,442 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-04-10 15:08:47,442 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-04-10 15:08:47,443 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-04-10 15:08:47,446 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-04-10 15:08:47,446 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 10.04 03:08:46" (1/3) ... [2018-04-10 15:08:47,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed11ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:08:47, skipping insertion in model container [2018-04-10 15:08:47,447 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.04 03:08:47" (2/3) ... [2018-04-10 15:08:47,447 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@20ed11ae and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 10.04 03:08:47, skipping insertion in model container [2018-04-10 15:08:47,448 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.04 03:08:47" (3/3) ... [2018-04-10 15:08:47,450 INFO L107 eAbstractionObserver]: Analyzing ICFG StructInitialization1_true-valid-memsafety.c [2018-04-10 15:08:47,457 INFO L131 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-04-10 15:08:47,465 INFO L143 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-04-10 15:08:47,491 INFO L128 ementStrategyFactory]: Using default assertion order modulation [2018-04-10 15:08:47,492 INFO L369 AbstractCegarLoop]: Interprodecural is true [2018-04-10 15:08:47,492 INFO L370 AbstractCegarLoop]: Hoare is false [2018-04-10 15:08:47,492 INFO L371 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-04-10 15:08:47,492 INFO L372 AbstractCegarLoop]: Backedges is CANONICAL [2018-04-10 15:08:47,492 INFO L373 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-04-10 15:08:47,492 INFO L374 AbstractCegarLoop]: Difference is false [2018-04-10 15:08:47,493 INFO L375 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-04-10 15:08:47,493 INFO L380 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-04-10 15:08:47,493 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-04-10 15:08:47,504 INFO L276 IsEmpty]: Start isEmpty. Operand 15 states. [2018-04-10 15:08:47,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-04-10 15:08:47,512 INFO L347 BasicCegarLoop]: Found error trace [2018-04-10 15:08:47,513 INFO L355 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-04-10 15:08:47,513 INFO L408 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolationMEMORY_LEAK]=== [2018-04-10 15:08:47,516 INFO L82 PathProgramCache]: Analyzing trace with hash 205748081, now seen corresponding path program 1 times [2018-04-10 15:08:47,548 INFO L68 tionRefinementEngine]: Using refinement strategy FixedRefinementStrategy [2018-04-10 15:08:47,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-04-10 15:08:47,651 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-04-10 15:08:47,722 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:08:47,723 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-04-10 15:08:47,724 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [1] imperfect sequences [] total 1 [2018-04-10 15:08:47,724 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-04-10 15:08:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:08:47,725 INFO L182 omatonBuilderFactory]: Interpolants [18#true, 19#false] [2018-04-10 15:08:47,725 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-04-10 15:08:47,726 INFO L442 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-04-10 15:08:47,736 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-04-10 15:08:47,737 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-10 15:08:47,739 INFO L87 Difference]: Start difference. First operand 15 states. Second operand 2 states. [2018-04-10 15:08:47,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-04-10 15:08:47,753 INFO L93 Difference]: Finished difference Result 14 states and 13 transitions. [2018-04-10 15:08:47,753 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-04-10 15:08:47,755 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 11 [2018-04-10 15:08:47,755 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-04-10 15:08:47,761 INFO L225 Difference]: With dead ends: 14 [2018-04-10 15:08:47,761 INFO L226 Difference]: Without dead ends: 0 [2018-04-10 15:08:47,763 INFO L567 BasicCegarLoop]: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-04-10 15:08:47,778 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-04-10 15:08:47,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-04-10 15:08:47,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-04-10 15:08:47,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-04-10 15:08:47,784 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 11 [2018-04-10 15:08:47,784 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-04-10 15:08:47,784 INFO L459 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-04-10 15:08:47,784 INFO L460 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-04-10 15:08:47,785 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-04-10 15:08:47,785 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-04-10 15:08:47,788 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 10.04 03:08:47 BoogieIcfgContainer [2018-04-10 15:08:47,788 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-04-10 15:08:47,789 INFO L168 Benchmark]: Toolchain (without parser) took 966.97 ms. Allocated memory was 395.3 MB in the beginning and 591.9 MB in the end (delta: 196.6 MB). Free memory was 336.1 MB in the beginning and 497.1 MB in the end (delta: -161.0 MB). Peak memory consumption was 35.7 MB. Max. memory is 5.3 GB. [2018-04-10 15:08:47,790 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 395.3 MB. Free memory is still 358.4 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-04-10 15:08:47,790 INFO L168 Benchmark]: CACSL2BoogieTranslator took 207.07 ms. Allocated memory is still 395.3 MB. Free memory was 334.8 MB in the beginning and 322.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. [2018-04-10 15:08:47,791 INFO L168 Benchmark]: Boogie Preprocessor took 39.87 ms. Allocated memory is still 395.3 MB. Free memory was 322.7 MB in the beginning and 314.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. [2018-04-10 15:08:47,791 INFO L168 Benchmark]: RCFGBuilder took 370.52 ms. Allocated memory was 395.3 MB in the beginning and 591.9 MB in the end (delta: 196.6 MB). Free memory was 314.7 MB in the beginning and 524.2 MB in the end (delta: -209.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 5.3 GB. [2018-04-10 15:08:47,792 INFO L168 Benchmark]: TraceAbstraction took 346.13 ms. Allocated memory is still 591.9 MB. Free memory was 524.2 MB in the beginning and 497.1 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 5.3 GB. [2018-04-10 15:08:47,795 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 395.3 MB. Free memory is still 358.4 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 207.07 ms. Allocated memory is still 395.3 MB. Free memory was 334.8 MB in the beginning and 322.7 MB in the end (delta: 12.2 MB). Peak memory consumption was 12.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 39.87 ms. Allocated memory is still 395.3 MB. Free memory was 322.7 MB in the beginning and 314.7 MB in the end (delta: 7.9 MB). Peak memory consumption was 7.9 MB. Max. memory is 5.3 GB. * RCFGBuilder took 370.52 ms. Allocated memory was 395.3 MB in the beginning and 591.9 MB in the end (delta: 196.6 MB). Free memory was 314.7 MB in the beginning and 524.2 MB in the end (delta: -209.5 MB). Peak memory consumption was 31.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 346.13 ms. Allocated memory is still 591.9 MB. Free memory was 524.2 MB in the beginning and 497.1 MB in the end (delta: 27.2 MB). Peak memory consumption was 27.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 128]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 15 locations, 1 error locations. SAFE Result, 0.3s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13 SDtfs, 0 SDslu, 0 SDs, 0 SdLazy, 0 SolverSat, 0 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=15occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 11 NumberOfCodeBlocks, 11 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 100 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/StructInitialization1_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-04-10_15-08-47-803.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/StructInitialization1_true-valid-memsafety.c_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-04-10_15-08-47-803.csv Received shutdown request...