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/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_3_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-47db877 [2018-01-23 14:47:05,336 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-23 14:47:05,338 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-23 14:47:05,353 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-23 14:47:05,353 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-23 14:47:05,354 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-23 14:47:05,355 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-23 14:47:05,357 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-23 14:47:05,359 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-23 14:47:05,360 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-23 14:47:05,361 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-23 14:47:05,362 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-23 14:47:05,363 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-23 14:47:05,364 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-23 14:47:05,365 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-23 14:47:05,367 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-23 14:47:05,370 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-23 14:47:05,372 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-23 14:47:05,373 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-23 14:47:05,374 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-23 14:47:05,377 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-23 14:47:05,383 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Camel+AI_EQ.epf [2018-01-23 14:47:05,391 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-23 14:47:05,391 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-23 14:47:05,392 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-23 14:47:05,392 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-23 14:47:05,392 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-23 14:47:05,393 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-23 14:47:05,393 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-23 14:47:05,393 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-23 14:47:05,393 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-23 14:47:05,393 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-23 14:47:05,393 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-23 14:47:05,394 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-23 14:47:05,395 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-23 14:47:05,395 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-23 14:47:05,395 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-23 14:47:05,395 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-23 14:47:05,395 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-23 14:47:05,395 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-23 14:47:05,396 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-23 14:47:05,396 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-23 14:47:05,396 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-23 14:47:05,396 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-23 14:47:05,396 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-23 14:47:05,396 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-23 14:47:05,397 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-23 14:47:05,397 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-23 14:47:05,397 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-23 14:47:05,397 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-23 14:47:05,398 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-23 14:47:05,398 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-23 14:47:05,430 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-23 14:47:05,441 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-23 14:47:05,444 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-23 14:47:05,445 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-23 14:47:05,446 INFO L276 PluginConnector]: CDTParser initialized [2018-01-23 14:47:05,446 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test18_3_false-valid-memtrack_true-termination.i [2018-01-23 14:47:05,641 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-23 14:47:05,646 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-23 14:47:05,647 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-23 14:47:05,647 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-23 14:47:05,653 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-23 14:47:05,654 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,657 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2b36fa1e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05, skipping insertion in model container [2018-01-23 14:47:05,657 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,672 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:47:05,720 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-23 14:47:05,839 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:47:05,854 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-23 14:47:05,861 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05 WrapperNode [2018-01-23 14:47:05,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-23 14:47:05,862 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-23 14:47:05,863 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-23 14:47:05,863 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-23 14:47:05,880 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,880 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,891 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,894 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,896 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,897 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... [2018-01-23 14:47:05,898 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-23 14:47:05,899 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-23 14:47:05,899 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-23 14:47:05,899 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-23 14:47:05,900 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (1/1) ... No working directory specified, using /storage/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 [2018-01-23 14:47:05,945 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-23 14:47:05,945 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-23 14:47:05,945 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-23 14:47:05,946 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-23 14:47:05,946 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-23 14:47:05,946 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-23 14:47:05,946 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-23 14:47:05,946 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-23 14:47:05,946 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-23 14:47:05,947 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-23 14:47:05,947 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-23 14:47:05,947 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-23 14:47:05,947 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-23 14:47:05,947 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-23 14:47:05,947 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-23 14:47:05,948 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-23 14:47:05,948 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-23 14:47:06,110 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-23 14:47:06,111 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:47:06 BoogieIcfgContainer [2018-01-23 14:47:06,111 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-23 14:47:06,112 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-23 14:47:06,112 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-23 14:47:06,114 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-23 14:47:06,114 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 23.01 02:47:05" (1/3) ... [2018-01-23 14:47:06,115 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75530f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:47:06, skipping insertion in model container [2018-01-23 14:47:06,115 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.01 02:47:05" (2/3) ... [2018-01-23 14:47:06,116 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@75530f5e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 23.01 02:47:06, skipping insertion in model container [2018-01-23 14:47:06,116 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.01 02:47:06" (3/3) ... [2018-01-23 14:47:06,117 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test18_3_false-valid-memtrack_true-termination.i [2018-01-23 14:47:06,123 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-23 14:47:06,130 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 5 error locations. [2018-01-23 14:47:06,175 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:06,176 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:06,176 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:06,176 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:06,176 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:06,176 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:06,176 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:06,176 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ldv_mallocErr0EnsuresViolation======== [2018-01-23 14:47:06,177 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:06,192 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-01-23 14:47:06,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-01-23 14:47:06,212 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,213 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:06,213 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-23 14:47:06,219 INFO L82 PathProgramCache]: Analyzing trace with hash 1252112159, now seen corresponding path program 1 times [2018-01-23 14:47:06,221 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,221 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,272 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,273 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,273 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:06,323 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:06,380 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:06,382 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:06,383 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:47:06,384 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:47:06,395 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:47:06,395 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:06,397 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2018-01-23 14:47:06,545 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:06,545 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-01-23 14:47:06,545 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:47:06,546 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 11 [2018-01-23 14:47:06,547 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:06,553 INFO L225 Difference]: With dead ends: 42 [2018-01-23 14:47:06,553 INFO L226 Difference]: Without dead ends: 24 [2018-01-23 14:47:06,556 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:06,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24 states. [2018-01-23 14:47:06,580 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24 to 24. [2018-01-23 14:47:06,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 24 states. [2018-01-23 14:47:06,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24 states to 24 states and 26 transitions. [2018-01-23 14:47:06,584 INFO L78 Accepts]: Start accepts. Automaton has 24 states and 26 transitions. Word has length 11 [2018-01-23 14:47:06,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:06,584 INFO L432 AbstractCegarLoop]: Abstraction has 24 states and 26 transitions. [2018-01-23 14:47:06,585 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:47:06,585 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 26 transitions. [2018-01-23 14:47:06,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-01-23 14:47:06,586 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,586 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:06,587 INFO L371 AbstractCegarLoop]: === Iteration 2 === [ldv_mallocErr0EnsuresViolation]=== [2018-01-23 14:47:06,587 INFO L82 PathProgramCache]: Analyzing trace with hash 688848865, now seen corresponding path program 1 times [2018-01-23 14:47:06,587 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,587 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,588 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,589 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,589 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:06,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:06,658 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:06,667 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,669 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,678 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:06,678 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:06,678 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:06,678 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:06,678 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:06,678 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:06,678 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:06,678 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.initErr0EnsuresViolation======== [2018-01-23 14:47:06,678 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:06,679 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-01-23 14:47:06,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4 [2018-01-23 14:47:06,680 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,680 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1] [2018-01-23 14:47:06,680 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.initErr0EnsuresViolation]=== [2018-01-23 14:47:06,680 INFO L82 PathProgramCache]: Analyzing trace with hash 73326, now seen corresponding path program 1 times [2018-01-23 14:47:06,680 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,680 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,681 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,681 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,682 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:06,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:06,689 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:06,689 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,690 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:06,691 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:06,691 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:06,691 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:06,691 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:06,691 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:06,691 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:06,691 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == ULTIMATE.startErr0EnsuresViolation======== [2018-01-23 14:47:06,691 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:06,692 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-01-23 14:47:06,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-23 14:47:06,693 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,693 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:06,693 INFO L371 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0EnsuresViolation]=== [2018-01-23 14:47:06,693 INFO L82 PathProgramCache]: Analyzing trace with hash 17364112, now seen corresponding path program 1 times [2018-01-23 14:47:06,693 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,693 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,694 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,695 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,695 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:06,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-23 14:47:06,722 INFO L381 BasicCegarLoop]: Counterexample might be feasible [2018-01-23 14:47:06,724 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,724 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,724 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,725 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,725 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-23 14:47:06,728 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:06,728 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:06,728 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:06,728 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:06,729 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:06,729 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:06,729 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:06,729 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == mainErr0EnsuresViolation======== [2018-01-23 14:47:06,729 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:06,730 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-01-23 14:47:06,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-01-23 14:47:06,731 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,731 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:06,731 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-23 14:47:06,731 INFO L82 PathProgramCache]: Analyzing trace with hash 791078642, now seen corresponding path program 1 times [2018-01-23 14:47:06,731 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,731 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,733 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,733 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,733 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:06,745 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:06,788 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:06,788 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:06,789 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:47:06,789 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:47:06,789 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:47:06,790 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:06,790 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2018-01-23 14:47:06,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:06,850 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-01-23 14:47:06,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:47:06,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 17 [2018-01-23 14:47:06,851 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:06,851 INFO L225 Difference]: With dead ends: 42 [2018-01-23 14:47:06,851 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:06,852 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:06,852 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:06,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:06,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:06,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:06,853 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 17 [2018-01-23 14:47:06,853 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:06,854 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:06,854 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:47:06,854 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:06,854 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:06,856 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-23 14:47:06,857 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-23 14:47:06,857 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-23 14:47:06,857 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-23 14:47:06,857 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-23 14:47:06,857 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-23 14:47:06,857 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-23 14:47:06,857 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == entry_pointErr0EnsuresViolation======== [2018-01-23 14:47:06,857 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-23 14:47:06,859 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-01-23 14:47:06,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-01-23 14:47:06,860 INFO L314 BasicCegarLoop]: Found error trace [2018-01-23 14:47:06,860 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-23 14:47:06,860 INFO L371 AbstractCegarLoop]: === Iteration 1 === [entry_pointErr0EnsuresViolation]=== [2018-01-23 14:47:06,860 INFO L82 PathProgramCache]: Analyzing trace with hash 648867155, now seen corresponding path program 1 times [2018-01-23 14:47:06,860 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-23 14:47:06,861 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-23 14:47:06,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,862 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-23 14:47:06,862 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-23 14:47:06,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-23 14:47:06,874 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-23 14:47:06,900 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-23 14:47:06,900 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-23 14:47:06,900 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-23 14:47:06,900 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-23 14:47:06,900 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-23 14:47:06,901 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:06,901 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 3 states. [2018-01-23 14:47:06,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-23 14:47:06,946 INFO L93 Difference]: Finished difference Result 42 states and 47 transitions. [2018-01-23 14:47:06,947 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-23 14:47:06,947 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-01-23 14:47:06,947 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-23 14:47:06,947 INFO L225 Difference]: With dead ends: 42 [2018-01-23 14:47:06,947 INFO L226 Difference]: Without dead ends: 0 [2018-01-23 14:47:06,948 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-23 14:47:06,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-23 14:47:06,948 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-23 14:47:06,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-23 14:47:06,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-23 14:47:06,949 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 15 [2018-01-23 14:47:06,949 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-23 14:47:06,949 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-23 14:47:06,949 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-23 14:47:06,949 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-23 14:47:06,950 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-23 14:47:06,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 23.01 02:47:06 BoogieIcfgContainer [2018-01-23 14:47:06,952 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-23 14:47:06,953 INFO L168 Benchmark]: Toolchain (without parser) took 1311.35 ms. Allocated memory was 306.7 MB in the beginning and 464.5 MB in the end (delta: 157.8 MB). Free memory was 264.0 MB in the beginning and 396.8 MB in the end (delta: -132.7 MB). Peak memory consumption was 25.1 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,954 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 271.0 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:47:06,955 INFO L168 Benchmark]: CACSL2BoogieTranslator took 214.96 ms. Allocated memory is still 306.7 MB. Free memory was 264.0 MB in the beginning and 250.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,955 INFO L168 Benchmark]: Boogie Preprocessor took 36.21 ms. Allocated memory is still 306.7 MB. Free memory was 250.8 MB in the beginning and 249.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,956 INFO L168 Benchmark]: RCFGBuilder took 212.46 ms. Allocated memory is still 306.7 MB. Free memory was 249.8 MB in the beginning and 235.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. [2018-01-23 14:47:06,956 INFO L168 Benchmark]: TraceAbstraction took 840.28 ms. Allocated memory was 306.7 MB in the beginning and 464.5 MB in the end (delta: 157.8 MB). Free memory was 234.2 MB in the beginning and 396.8 MB in the end (delta: -162.6 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-23 14:47:06,958 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 306.7 MB. Free memory is still 271.0 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 214.96 ms. Allocated memory is still 306.7 MB. Free memory was 264.0 MB in the beginning and 250.8 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.21 ms. Allocated memory is still 306.7 MB. Free memory was 250.8 MB in the beginning and 249.8 MB in the end (delta: 1.0 MB). Peak memory consumption was 1.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 212.46 ms. Allocated memory is still 306.7 MB. Free memory was 249.8 MB in the beginning and 235.2 MB in the end (delta: 14.6 MB). Peak memory consumption was 14.6 MB. Max. memory is 5.3 GB. * TraceAbstraction took 840.28 ms. Allocated memory was 306.7 MB in the beginning and 464.5 MB in the end (delta: 157.8 MB). Free memory was 234.2 MB in the beginning and 396.8 MB in the end (delta: -162.6 MB). There was no memory consumed. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) - GenericResult: Unfinished Backtranslation Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1072]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1453] CALL entry_point() [L1439] int len = 10; VAL [len=10] [L1440] CALL ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=40, malloc(size)={42:0}, size=40] [L1074] return malloc(size); VAL [\old(size)=40, \result={42:0}, malloc(size)={42:0}, size=40] - StatisticsResult: Ultimate Automizer benchmark data for error location: ldv_mallocErr0EnsuresViolation CFG has 5 procedures, 33 locations, 5 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 14 SDslu, 1 SDs, 0 SdLazy, 15 SolverSat, 12 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 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, 24 NumberOfCodeBlocks, 24 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 10 ConstructedInterpolants, 0 QuantifiedInterpolants, 160 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.initErr0EnsuresViolation CFG has 5 procedures, 33 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 3 NumberOfCodeBlocks, 3 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - CounterExampleResult [Line: 1]: not all allocated memory was freed not all allocated memory was freed We found a FailurePath: [L1453] CALL entry_point() [L1439] int len = 10; VAL [len=10] [L1440] CALL, EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [\old(size)=40] [L1073] COND FALSE !(__VERIFIER_nondet_int()) [L1076] RET return 0; VAL [\old(size)=40, \result={0:0}, size=40] [L1440] EXPR ldv_malloc(sizeof(struct A18*)*len) VAL [ldv_malloc(sizeof(struct A18*)*len)={0:0}, len=10] [L1440] struct A18 **array = (struct A18 **)ldv_malloc(sizeof(struct A18*)*len); [L1441] struct A18 *p; [L1442] int i=0; VAL [array={0:0}, i=0, len=10] [L1443] COND TRUE, RET !array VAL [array={0:0}, i=0, len=10] [L1453] entry_point() - StatisticsResult: Ultimate Automizer benchmark data for error location: ULTIMATE.startErr0EnsuresViolation CFG has 5 procedures, 33 locations, 5 error locations. UNSAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: No data available, PredicateUnifierStatistics: No data available, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 19 NumberOfCodeBlocks, 19 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 0 ConstructedInterpolants, 0 QuantifiedInterpolants, 0 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 0 InterpolantComputations, 0 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1452]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: mainErr0EnsuresViolation CFG has 5 procedures, 33 locations, 5 error locations. SAFE Result, 0.1s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 9 SDslu, 1 SDs, 0 SdLazy, 15 SolverSat, 8 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 6 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 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, 17 NumberOfCodeBlocks, 17 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 16 ConstructedInterpolants, 0 QuantifiedInterpolants, 640 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available - PositiveResult [Line: 1438]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - StatisticsResult: Ultimate Automizer benchmark data for error location: entry_pointErr0EnsuresViolation CFG has 5 procedures, 33 locations, 5 error locations. SAFE Result, 0.0s OverallTime, 1 OverallIterations, 1 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 26 SDtfs, 10 SDslu, 1 SDs, 0 SdLazy, 15 SolverSat, 10 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=33occurred 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, 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, 15 NumberOfCodeBlocks, 15 NumberOfCodeBlocksAsserted, 1 NumberOfCheckSat, 14 ConstructedInterpolants, 0 QuantifiedInterpolants, 448 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_3_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-23_14-47-06-969.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_3_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-23_14-47-06-969.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_3_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-1-2018-01-23_14-47-06-969.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_3_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-2-2018-01-23_14-47-06-969.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_3_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-3-2018-01-23_14-47-06-969.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test18_3_false-valid-memtrack_true-termination.i_mempurity-32bit-Automizer_Camel+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-4-2018-01-23_14-47-06-969.csv Received shutdown request...