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/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:31:35,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:31:35,677 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:31:35,691 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:31:35,692 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:31:35,693 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:31:35,694 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:31:35,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:31:35,697 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:31:35,698 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:31:35,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:31:35,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:31:35,700 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:31:35,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:31:35,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:31:35,705 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:31:35,707 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:31:35,709 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:31:35,710 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:31:35,711 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:31:35,714 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 22:31:35,714 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 22:31:35,714 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 22:31:35,715 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 22:31:35,716 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 22:31:35,717 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 22:31:35,717 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 22:31:35,718 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 22:31:35,718 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 22:31:35,719 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:31:35,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:31:35,720 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf [2018-01-28 22:31:35,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:31:35,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:31:35,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:31:35,729 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:31:35,729 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:31:35,729 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:31:35,729 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:31:35,730 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:31:35,730 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:31:35,730 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:31:35,730 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:31:35,730 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:31:35,731 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:31:35,731 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:31:35,732 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:31:35,732 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:31:35,732 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:31:35,732 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:31:35,732 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:31:35,733 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:31:35,734 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:31:35,734 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:31:35,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:31:35,776 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:31:35,779 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:31:35,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:31:35,781 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:31:35,781 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test1_false-valid-memtrack_true-termination.i [2018-01-28 22:31:35,984 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:31:35,988 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:31:35,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:31:35,988 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:31:35,993 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:31:35,994 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:31:35" (1/1) ... [2018-01-28 22:31:35,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@ca3c60c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:35, skipping insertion in model container [2018-01-28 22:31:35,997 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:31:35" (1/1) ... [2018-01-28 22:31:36,009 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:31:36,056 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:31:36,161 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:31:36,175 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:31:36,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36 WrapperNode [2018-01-28 22:31:36,183 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:31:36,184 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:31:36,184 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:31:36,184 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:31:36,199 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,199 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,206 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,207 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,210 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,211 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,212 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (1/1) ... [2018-01-28 22:31:36,213 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:31:36,214 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:31:36,214 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:31:36,214 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:31:36,215 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (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 [2018-01-28 22:31:36,260 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:31:36,260 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:31:36,260 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-28 22:31:36,260 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-28 22:31:36,260 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:31:36,260 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:31:36,260 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:31:36,261 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:31:36,375 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:31:36,375 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:31:36 BoogieIcfgContainer [2018-01-28 22:31:36,376 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:31:36,376 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:31:36,376 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:31:36,378 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:31:36,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:31:35" (1/3) ... [2018-01-28 22:31:36,379 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0d12b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:31:36, skipping insertion in model container [2018-01-28 22:31:36,379 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:31:36" (2/3) ... [2018-01-28 22:31:36,380 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6f0d12b5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:31:36, skipping insertion in model container [2018-01-28 22:31:36,380 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:31:36" (3/3) ... [2018-01-28 22:31:36,381 INFO L107 eAbstractionObserver]: Analyzing ICFG memleaks_test1_false-valid-memtrack_true-termination.i [2018-01-28 22:31:36,388 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:31:36,394 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-01-28 22:31:36,428 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:31:36,429 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:31:36,429 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:31:36,429 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:31:36,429 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:31:36,429 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:31:36,430 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:31:36,430 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:31:36,431 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:31:36,449 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2018-01-28 22:31:36,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-01-28 22:31:36,456 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:31:36,457 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:31:36,457 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr0EnsuresViolation]=== [2018-01-28 22:31:36,460 INFO L82 PathProgramCache]: Analyzing trace with hash -1993551320, now seen corresponding path program 1 times [2018-01-28 22:31:36,462 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:31:36,462 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:31:36,510 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:31:36,510 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:31:36,510 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:31:36,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:31:36,559 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:31:36,632 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-28 22:31:36,634 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:31:36,634 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-28 22:31:36,635 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-28 22:31:36,645 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-28 22:31:36,646 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:31:36,648 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 3 states. [2018-01-28 22:31:36,802 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:31:36,803 INFO L93 Difference]: Finished difference Result 35 states and 35 transitions. [2018-01-28 22:31:36,803 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-28 22:31:36,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 20 [2018-01-28 22:31:36,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:31:36,811 INFO L225 Difference]: With dead ends: 35 [2018-01-28 22:31:36,811 INFO L226 Difference]: Without dead ends: 22 [2018-01-28 22:31:36,814 INFO L533 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 [2018-01-28 22:31:36,827 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22 states. [2018-01-28 22:31:36,838 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22 to 22. [2018-01-28 22:31:36,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 22 states. [2018-01-28 22:31:36,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22 states to 22 states and 21 transitions. [2018-01-28 22:31:36,840 INFO L78 Accepts]: Start accepts. Automaton has 22 states and 21 transitions. Word has length 20 [2018-01-28 22:31:36,841 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:31:36,841 INFO L432 AbstractCegarLoop]: Abstraction has 22 states and 21 transitions. [2018-01-28 22:31:36,841 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-28 22:31:36,841 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 21 transitions. [2018-01-28 22:31:36,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-28 22:31:36,842 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:31:36,842 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:31:36,842 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr0EnsuresViolation]=== [2018-01-28 22:31:36,842 INFO L82 PathProgramCache]: Analyzing trace with hash 1094544541, now seen corresponding path program 1 times [2018-01-28 22:31:36,842 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:31:36,842 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:31:36,843 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:31:36,844 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:31:36,844 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:31:36,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 22:31:36,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 22:31:36,904 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-28 22:31:36,915 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-28 22:31:36,924 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:31:36 BoogieIcfgContainer [2018-01-28 22:31:36,924 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:31:36,925 INFO L168 Benchmark]: Toolchain (without parser) took 940.66 ms. Allocated memory was 298.8 MB in the beginning and 457.7 MB in the end (delta: 158.9 MB). Free memory was 257.9 MB in the beginning and 420.7 MB in the end (delta: -162.8 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:31:36,927 INFO L168 Benchmark]: CDTParser took 0.12 ms. Allocated memory is still 298.8 MB. Free memory is still 264.9 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:31:36,927 INFO L168 Benchmark]: CACSL2BoogieTranslator took 194.86 ms. Allocated memory is still 298.8 MB. Free memory was 257.9 MB in the beginning and 245.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. [2018-01-28 22:31:36,928 INFO L168 Benchmark]: Boogie Preprocessor took 29.78 ms. Allocated memory is still 298.8 MB. Free memory was 245.6 MB in the beginning and 243.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:31:36,928 INFO L168 Benchmark]: RCFGBuilder took 161.83 ms. Allocated memory is still 298.8 MB. Free memory was 243.6 MB in the beginning and 231.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 5.3 GB. [2018-01-28 22:31:36,929 INFO L168 Benchmark]: TraceAbstraction took 548.44 ms. Allocated memory was 298.8 MB in the beginning and 457.7 MB in the end (delta: 158.9 MB). Free memory was 231.0 MB in the beginning and 420.7 MB in the end (delta: -189.7 MB). There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:31:36,931 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 ms. Allocated memory is still 298.8 MB. Free memory is still 264.9 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 194.86 ms. Allocated memory is still 298.8 MB. Free memory was 257.9 MB in the beginning and 245.6 MB in the end (delta: 12.3 MB). Peak memory consumption was 12.3 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.78 ms. Allocated memory is still 298.8 MB. Free memory was 245.6 MB in the beginning and 243.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 161.83 ms. Allocated memory is still 298.8 MB. Free memory was 243.6 MB in the beginning and 231.0 MB in the end (delta: 12.7 MB). Peak memory consumption was 12.7 MB. Max. memory is 5.3 GB. * TraceAbstraction took 548.44 ms. Allocated memory was 298.8 MB in the beginning and 457.7 MB in the end (delta: 158.9 MB). Free memory was 231.0 MB in the beginning and 420.7 MB in the end (delta: -189.7 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) * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - UnprovableResult [Line: 1438]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 1438. Possible FailurePath: [L1439] CALL entry_point() [L1435] CALL, EXPR ldv_malloc(sizeof(int)) VAL [\old(size)=4] [L1073] COND TRUE __VERIFIER_nondet_int() VAL [\old(size)=4, __VERIFIER_nondet_int()=1, size=4] [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] [L1435] EXPR ldv_malloc(sizeof(int)) VAL [ldv_malloc(sizeof(int))={6:0}] [L1435] RET int *p = (int *)ldv_malloc(sizeof(int)); VAL [ldv_malloc(sizeof(int))={6:0}, p={6:0}] [L1439] entry_point() - StatisticsResult: Ultimate Automizer benchmark data CFG has 5 procedures, 27 locations, 1 error locations. UNSAFE Result, 0.5s OverallTime, 2 OverallIterations, 1 TraceHistogramMax, 0.1s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 22 SDtfs, 4 SDslu, 8 SDs, 0 SdLazy, 11 SolverSat, 2 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=27occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 1 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.0s InterpolantComputationTime, 41 NumberOfCodeBlocks, 41 NumberOfCodeBlocksAsserted, 2 NumberOfCheckSat, 19 ConstructedInterpolants, 0 QuantifiedInterpolants, 893 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 1 InterpolantComputations, 1 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate could not prove your program: unable to determine feasibility of some traces Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-31-36-940.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test1_false-valid-memtrack_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-31-36-940.csv Received shutdown request...