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/memleaks_test5_2_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-ccafca9-m [2018-02-04 03:15:20,462 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-02-04 03:15:20,463 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-02-04 03:15:20,473 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-02-04 03:15:20,473 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-02-04 03:15:20,473 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-02-04 03:15:20,474 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-02-04 03:15:20,475 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-02-04 03:15:20,476 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-02-04 03:15:20,477 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-02-04 03:15:20,477 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-02-04 03:15:20,477 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-02-04 03:15:20,478 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-02-04 03:15:20,479 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-02-04 03:15:20,480 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-02-04 03:15:20,482 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-02-04 03:15:20,484 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-02-04 03:15:20,485 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-02-04 03:15:20,486 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-02-04 03:15:20,487 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-02-04 03:15:20,489 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-02-04 03:15:20,494 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 [2018-02-04 03:15:20,503 INFO L110 SettingsManager]: Loading preferences was successful [2018-02-04 03:15:20,504 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-02-04 03:15:20,505 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-02-04 03:15:20,505 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-02-04 03:15:20,505 INFO L133 SettingsManager]: * Use SBE=true [2018-02-04 03:15:20,505 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-02-04 03:15:20,505 INFO L133 SettingsManager]: * sizeof long=4 [2018-02-04 03:15:20,505 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-02-04 03:15:20,506 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-02-04 03:15:20,507 INFO L133 SettingsManager]: * sizeof long double=12 [2018-02-04 03:15:20,507 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-02-04 03:15:20,507 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-02-04 03:15:20,507 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-02-04 03:15:20,507 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-02-04 03:15:20,507 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-02-04 03:15:20,508 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-02-04 03:15:20,508 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=Craig_TreeInterpolation [2018-02-04 03:15:20,538 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-02-04 03:15:20,552 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-02-04 03:15:20,555 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-02-04 03:15:20,556 INFO L271 PluginConnector]: Initializing CDTParser... [2018-02-04 03:15:20,557 INFO L276 PluginConnector]: CDTParser initialized [2018-02-04 03:15:20,557 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-02-04 03:15:20,684 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-02-04 03:15:20,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-02-04 03:15:20,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-02-04 03:15:20,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-02-04 03:15:20,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-02-04 03:15:20,692 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,695 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 03:15:20, skipping insertion in model container [2018-02-04 03:15:20,696 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,710 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:15:20,748 INFO L153 Dispatcher]: Using SV-COMP mode [2018-02-04 03:15:20,831 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:15:20,842 INFO L450 PostProcessor]: Settings: Checked method=main [2018-02-04 03:15:20,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20 WrapperNode [2018-02-04 03:15:20,848 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-02-04 03:15:20,849 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-02-04 03:15:20,849 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-02-04 03:15:20,849 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-02-04 03:15:20,862 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,862 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,871 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,871 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,873 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,875 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,876 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (1/1) ... [2018-02-04 03:15:20,877 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-02-04 03:15:20,878 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-02-04 03:15:20,878 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-02-04 03:15:20,878 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-02-04 03:15:20,879 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (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 03:15:20,914 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-02-04 03:15:20,915 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-02-04 03:15:20,915 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-02-04 03:15:20,915 INFO L136 BoogieDeclarations]: Found implementation of procedure f5 [2018-02-04 03:15:20,915 INFO L136 BoogieDeclarations]: Found implementation of procedure g5 [2018-02-04 03:15:20,915 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-02-04 03:15:20,915 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-02-04 03:15:20,915 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-02-04 03:15:20,915 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure f5 [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure g5 [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-02-04 03:15:20,916 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-02-04 03:15:20,917 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-02-04 03:15:21,035 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-02-04 03:15:21,035 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:15:21 BoogieIcfgContainer [2018-02-04 03:15:21,035 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-02-04 03:15:21,036 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-02-04 03:15:21,036 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-02-04 03:15:21,038 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-02-04 03:15:21,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 04.02 03:15:20" (1/3) ... [2018-02-04 03:15:21,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471edd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:15:21, skipping insertion in model container [2018-02-04 03:15:21,038 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 04.02 03:15:20" (2/3) ... [2018-02-04 03:15:21,038 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@471edd17 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 04.02 03:15:21, skipping insertion in model container [2018-02-04 03:15:21,039 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 04.02 03:15:21" (3/3) ... [2018-02-04 03:15:21,040 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test5_2_false-valid-memtrack_true-termination.i [2018-02-04 03:15:21,045 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:Craig_TreeInterpolation Determinization: PREDICATE_ABSTRACTION [2018-02-04 03:15:21,049 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 3 error locations. [2018-02-04 03:15:21,079 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-02-04 03:15:21,080 INFO L323 AbstractCegarLoop]: Hoare is false [2018-02-04 03:15:21,080 INFO L324 AbstractCegarLoop]: Compute interpolants for Craig_TreeInterpolation [2018-02-04 03:15:21,080 INFO L325 AbstractCegarLoop]: Backedges is CANONICAL [2018-02-04 03:15:21,080 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-02-04 03:15:21,080 INFO L327 AbstractCegarLoop]: Difference is false [2018-02-04 03:15:21,080 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-02-04 03:15:21,080 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-02-04 03:15:21,081 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-02-04 03:15:21,092 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2018-02-04 03:15:21,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 03:15:21,100 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:15:21,101 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:15:21,101 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-02-04 03:15:21,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1938829302, now seen corresponding path program 1 times [2018-02-04 03:15:21,157 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:15:21,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:15:21,201 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:15:21,322 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 03:15:21,324 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:15:21,324 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:15:21,325 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:15:21,326 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 03:15:21,326 INFO L182 omatonBuilderFactory]: Interpolants [36#true, 37#false, 38#(= 0 |f5_#res.offset|), 39#(= 0 |entry_point_#t~ret3.offset|), 40#(= 0 entry_point_~p~1.offset), 41#(= 0 |g5_#in~p.offset|), 42#(= 0 g5_~p.offset)] [2018-02-04 03:15:21,326 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 03:15:21,327 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:15:21,338 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:15:21,339 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:15:21,341 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 7 states. [2018-02-04 03:15:21,434 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:15:21,435 INFO L93 Difference]: Finished difference Result 32 states and 33 transitions. [2018-02-04 03:15:21,435 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:15:21,436 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-02-04 03:15:21,436 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:15:21,442 INFO L225 Difference]: With dead ends: 32 [2018-02-04 03:15:21,442 INFO L226 Difference]: Without dead ends: 29 [2018-02-04 03:15:21,444 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:15:21,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29 states. [2018-02-04 03:15:21,464 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29 to 29. [2018-02-04 03:15:21,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 29 states. [2018-02-04 03:15:21,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 29 states and 30 transitions. [2018-02-04 03:15:21,466 INFO L78 Accepts]: Start accepts. Automaton has 29 states and 30 transitions. Word has length 20 [2018-02-04 03:15:21,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:15:21,467 INFO L432 AbstractCegarLoop]: Abstraction has 29 states and 30 transitions. [2018-02-04 03:15:21,467 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:15:21,467 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 30 transitions. [2018-02-04 03:15:21,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-02-04 03:15:21,468 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:15:21,468 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:15:21,468 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-02-04 03:15:21,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1938829303, now seen corresponding path program 1 times [2018-02-04 03:15:21,470 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:15:21,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:15:21,483 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:15:21,528 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 03:15:21,528 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:15:21,528 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-02-04 03:15:21,529 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:15:21,529 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 03:15:21,529 INFO L182 omatonBuilderFactory]: Interpolants [112#(= g5_~p.base 0), 106#true, 107#false, 108#(= 0 |f5_#res.base|), 109#(= 0 |entry_point_#t~ret3.base|), 110#(= 0 entry_point_~p~1.base), 111#(= 0 |g5_#in~p.base|)] [2018-02-04 03:15:21,529 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 03:15:21,530 INFO L409 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-02-04 03:15:21,530 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-02-04 03:15:21,530 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2018-02-04 03:15:21,530 INFO L87 Difference]: Start difference. First operand 29 states and 30 transitions. Second operand 7 states. [2018-02-04 03:15:21,552 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:15:21,552 INFO L93 Difference]: Finished difference Result 28 states and 29 transitions. [2018-02-04 03:15:21,553 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:15:21,553 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 20 [2018-02-04 03:15:21,553 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:15:21,554 INFO L225 Difference]: With dead ends: 28 [2018-02-04 03:15:21,554 INFO L226 Difference]: Without dead ends: 28 [2018-02-04 03:15:21,554 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=15, Invalid=41, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:15:21,554 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2018-02-04 03:15:21,557 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2018-02-04 03:15:21,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2018-02-04 03:15:21,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 29 transitions. [2018-02-04 03:15:21,558 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 29 transitions. Word has length 20 [2018-02-04 03:15:21,558 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:15:21,558 INFO L432 AbstractCegarLoop]: Abstraction has 28 states and 29 transitions. [2018-02-04 03:15:21,558 INFO L433 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-02-04 03:15:21,559 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 29 transitions. [2018-02-04 03:15:21,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-02-04 03:15:21,559 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:15:21,559 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:15:21,559 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-02-04 03:15:21,560 INFO L82 PathProgramCache]: Analyzing trace with hash -665916823, now seen corresponding path program 1 times [2018-02-04 03:15:21,561 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:15:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:15:21,572 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:15:21,602 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 03:15:21,603 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:15:21,603 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-02-04 03:15:21,603 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:15:21,604 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 03:15:21,604 INFO L182 omatonBuilderFactory]: Interpolants [171#true, 172#false, 173#(= |#valid| |old(#valid)|)] [2018-02-04 03:15:21,604 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 03:15:21,604 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-02-04 03:15:21,604 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-02-04 03:15:21,604 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:15:21,605 INFO L87 Difference]: Start difference. First operand 28 states and 29 transitions. Second operand 3 states. [2018-02-04 03:15:21,642 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:15:21,642 INFO L93 Difference]: Finished difference Result 40 states and 42 transitions. [2018-02-04 03:15:21,643 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-02-04 03:15:21,643 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 24 [2018-02-04 03:15:21,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:15:21,646 INFO L225 Difference]: With dead ends: 40 [2018-02-04 03:15:21,646 INFO L226 Difference]: Without dead ends: 37 [2018-02-04 03:15:21,647 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-02-04 03:15:21,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2018-02-04 03:15:21,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2018-02-04 03:15:21,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2018-02-04 03:15:21,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 39 transitions. [2018-02-04 03:15:21,657 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 39 transitions. Word has length 24 [2018-02-04 03:15:21,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:15:21,657 INFO L432 AbstractCegarLoop]: Abstraction has 37 states and 39 transitions. [2018-02-04 03:15:21,657 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-02-04 03:15:21,658 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 39 transitions. [2018-02-04 03:15:21,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-02-04 03:15:21,659 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:15:21,659 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:15:21,660 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-02-04 03:15:21,660 INFO L82 PathProgramCache]: Analyzing trace with hash 487892875, now seen corresponding path program 1 times [2018-02-04 03:15:21,661 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:15:21,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-02-04 03:15:21,671 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-02-04 03:15:21,758 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 03:15:21,758 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-02-04 03:15:21,758 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [8] imperfect sequences [] total 8 [2018-02-04 03:15:21,759 INFO L142 lantAutomatonBuilder]: Constructing canonical interpolant automaton, with selfloop in false state [2018-02-04 03:15:21,759 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 03:15:21,759 INFO L182 omatonBuilderFactory]: Interpolants [256#(and (= g5_~p.offset |g5_#in~p.offset|) (= g5_~p.base |g5_#in~p.base|)), 257#(and (or (not (= g5_~p.base 0)) (and (not (= 0 g5_~p.offset)) (= g5_~p.offset |g5_#in~p.offset|))) (or (= g5_~p.base 0) (= |g5_#in~p.base| g5_~p.base))), 258#(or (not (= 0 |g5_#in~p.offset|)) (not (= |g5_#in~p.base| 0))), 251#true, 252#false, 253#(and (= 0 |f5_#res.base|) (= 0 |f5_#res.offset|)), 254#(and (= 0 |entry_point_#t~ret3.offset|) (= 0 |entry_point_#t~ret3.base|)), 255#(and (= 0 entry_point_~p~1.base) (= 0 entry_point_~p~1.offset))] [2018-02-04 03:15:21,759 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 03:15:21,760 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-02-04 03:15:21,760 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-02-04 03:15:21,760 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-02-04 03:15:21,760 INFO L87 Difference]: Start difference. First operand 37 states and 39 transitions. Second operand 8 states. [2018-02-04 03:15:21,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-02-04 03:15:21,818 INFO L93 Difference]: Finished difference Result 37 states and 37 transitions. [2018-02-04 03:15:21,818 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-02-04 03:15:21,819 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 25 [2018-02-04 03:15:21,819 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-02-04 03:15:21,819 INFO L225 Difference]: With dead ends: 37 [2018-02-04 03:15:21,819 INFO L226 Difference]: Without dead ends: 27 [2018-02-04 03:15:21,820 INFO L554 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2018-02-04 03:15:21,820 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2018-02-04 03:15:21,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2018-02-04 03:15:21,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2018-02-04 03:15:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 26 transitions. [2018-02-04 03:15:21,823 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 26 transitions. Word has length 25 [2018-02-04 03:15:21,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-02-04 03:15:21,823 INFO L432 AbstractCegarLoop]: Abstraction has 27 states and 26 transitions. [2018-02-04 03:15:21,823 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-02-04 03:15:21,823 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 26 transitions. [2018-02-04 03:15:21,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-02-04 03:15:21,824 INFO L343 BasicCegarLoop]: Found error trace [2018-02-04 03:15:21,824 INFO L351 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-02-04 03:15:21,824 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr0EnsuresViolation, g5Err1RequiresViolation, g5Err0RequiresViolation]=== [2018-02-04 03:15:21,824 INFO L82 PathProgramCache]: Analyzing trace with hash 1904749191, now seen corresponding path program 1 times [2018-02-04 03:15:21,825 INFO L67 tionRefinementEngine]: Using refinement strategy FixedTraceAbstractionRefinementStrategy [2018-02-04 03:15:21,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-04 03:15:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-02-04 03:15:21,867 INFO L410 BasicCegarLoop]: Counterexample might be feasible [2018-02-04 03:15:21,876 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-02-04 03:15:21,886 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 04.02 03:15:21 BoogieIcfgContainer [2018-02-04 03:15:21,886 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-02-04 03:15:21,886 INFO L168 Benchmark]: Toolchain (without parser) took 1201.88 ms. Allocated memory was 401.6 MB in the beginning and 605.6 MB in the end (delta: 203.9 MB). Free memory was 358.5 MB in the beginning and 511.9 MB in the end (delta: -153.4 MB). Peak memory consumption was 50.5 MB. Max. memory is 5.3 GB. [2018-02-04 03:15:21,887 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 401.6 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-02-04 03:15:21,888 INFO L168 Benchmark]: CACSL2BoogieTranslator took 162.43 ms. Allocated memory is still 401.6 MB. Free memory was 358.5 MB in the beginning and 345.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. [2018-02-04 03:15:21,888 INFO L168 Benchmark]: Boogie Preprocessor took 28.50 ms. Allocated memory is still 401.6 MB. Free memory was 345.3 MB in the beginning and 343.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. [2018-02-04 03:15:21,888 INFO L168 Benchmark]: RCFGBuilder took 157.64 ms. Allocated memory is still 401.6 MB. Free memory was 343.9 MB in the beginning and 329.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. [2018-02-04 03:15:21,888 INFO L168 Benchmark]: TraceAbstraction took 850.38 ms. Allocated memory was 401.6 MB in the beginning and 605.6 MB in the end (delta: 203.9 MB). Free memory was 328.6 MB in the beginning and 511.9 MB in the end (delta: -183.3 MB). Peak memory consumption was 20.6 MB. Max. memory is 5.3 GB. [2018-02-04 03:15:21,889 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 401.6 MB. Free memory is still 365.1 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 162.43 ms. Allocated memory is still 401.6 MB. Free memory was 358.5 MB in the beginning and 345.3 MB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 28.50 ms. Allocated memory is still 401.6 MB. Free memory was 345.3 MB in the beginning and 343.9 MB in the end (delta: 1.3 MB). Peak memory consumption was 1.3 MB. Max. memory is 5.3 GB. * RCFGBuilder took 157.64 ms. Allocated memory is still 401.6 MB. Free memory was 343.9 MB in the beginning and 329.9 MB in the end (delta: 14.0 MB). Peak memory consumption was 14.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 850.38 ms. Allocated memory was 401.6 MB in the beginning and 605.6 MB in the end (delta: 203.9 MB). Free memory was 328.6 MB in the beginning and 511.9 MB in the end (delta: -183.3 MB). Peak memory consumption was 20.6 MB. 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1449]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1449. Possible FailurePath: [L1450] CALL entry_point() [L1445] CALL, EXPR f5() [L1434] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND TRUE __VERIFIER_nondet_int() [L1074] EXPR, FCALL malloc(size) VAL [\old(size)=4, malloc(size)={6:0}, size=4] [L1074] RET return malloc(size); VAL [\old(size)=4, \result={6:0}, malloc(size)={6:0}, size=4] [L1434] EXPR ldv_malloc(sizeof(int)) VAL [ldv_malloc(sizeof(int))={6:0}] [L1434] int *p = (int *)ldv_malloc(sizeof(int)); [L1435] RET return 0; VAL [\result={0:0}, p={6:0}] [L1445] EXPR f5() VAL [f5()={0:0}] [L1445] int *p = f5(); [L1446] CALL g5(p) VAL [p={0:0}] [L1439] COND FALSE !(\read(*p)) VAL [p={0:0}, p={0:0}] [L1446] FCALL g5(p) - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 33 locations, 3 error locations. UNSAFE Result, 0.8s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 98 SDtfs, 29 SDslu, 379 SDs, 0 SdLazy, 99 SolverSat, 3 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 33 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=37occurred in iteration=3, 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 115 NumberOfCodeBlocks, 115 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 85 ConstructedInterpolants, 0 QuantifiedInterpolants, 4817 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 4 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_2_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-Benchmark-0-2018-02-04_03-15-21-894.csv Written .csv to /home/ultimate/work/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test5_2_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_SmtInterpol_Array.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-02-04_03-15-21-894.csv Received shutdown request...