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/list-ext-properties/test-0158_1_false-valid-free.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:06:35,960 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:06:35,962 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:06:35,977 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:06:35,978 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:06:35,978 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:06:35,979 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:06:35,980 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:06:35,982 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:06:35,982 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:06:35,983 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:06:35,983 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:06:35,984 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:06:35,985 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:06:35,986 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:06:35,988 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:06:35,990 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:06:35,992 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:06:35,994 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:06:35,995 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:06:35,997 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 22:06:35,997 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 22:06:35,998 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 22:06:35,998 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 22:06:35,999 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 22:06:36,000 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 22:06:36,001 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 22:06:36,001 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 22:06:36,001 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 22:06:36,002 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:06:36,002 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:06:36,003 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 22:06:36,013 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:06:36,013 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:06:36,014 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:06:36,014 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:06:36,014 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:06:36,015 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:06:36,015 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:06:36,015 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:06:36,016 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:06:36,016 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:06:36,016 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:06:36,016 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:06:36,016 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:06:36,017 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:06:36,017 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:06:36,017 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:06:36,017 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:06:36,017 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:06:36,018 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:06:36,018 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:06:36,018 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:06:36,018 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:06:36,019 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:06:36,019 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:06:36,019 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:06:36,019 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:06:36,019 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:06:36,020 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:06:36,020 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:06:36,020 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:06:36,020 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:06:36,020 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:06:36,021 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:06:36,021 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:06:36,056 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:06:36,070 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:06:36,074 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:06:36,075 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:06:36,076 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:06:36,076 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-ext-properties/test-0158_1_false-valid-free.i [2018-01-28 22:06:36,262 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:06:36,268 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:06:36,269 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:06:36,269 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:06:36,274 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:06:36,275 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,278 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@572fd3fb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36, skipping insertion in model container [2018-01-28 22:06:36,278 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,297 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:06:36,336 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:06:36,449 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:06:36,463 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:06:36,471 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36 WrapperNode [2018-01-28 22:06:36,471 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:06:36,472 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:06:36,472 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:06:36,473 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:06:36,488 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,489 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,501 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,501 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,504 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,507 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (1/1) ... [2018-01-28 22:06:36,509 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:06:36,509 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:06:36,509 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:06:36,509 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:06:36,510 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (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 22:06:36,554 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:06:36,554 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:06:36,554 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:06:36,554 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-28 22:06:36,554 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-28 22:06:36,554 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-28 22:06:36,554 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:06:36,555 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:06:36,758 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:06:36,759 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:06:36 BoogieIcfgContainer [2018-01-28 22:06:36,759 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:06:36,760 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:06:36,760 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:06:36,763 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:06:36,763 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:06:36" (1/3) ... [2018-01-28 22:06:36,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69615c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:06:36, skipping insertion in model container [2018-01-28 22:06:36,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:06:36" (2/3) ... [2018-01-28 22:06:36,764 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69615c2f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:06:36, skipping insertion in model container [2018-01-28 22:06:36,764 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:06:36" (3/3) ... [2018-01-28 22:06:36,766 INFO L107 eAbstractionObserver]: Analyzing ICFG test-0158_1_false-valid-free.i [2018-01-28 22:06:36,772 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:06:36,779 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 19 error locations. [2018-01-28 22:06:36,815 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:06:36,815 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:06:36,815 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:06:36,815 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:06:36,815 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:06:36,815 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:06:36,815 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:06:36,815 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:06:36,816 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:06:36,836 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states. [2018-01-28 22:06:36,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-28 22:06:36,843 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:06:36,844 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:06:36,844 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:06:36,848 INFO L82 PathProgramCache]: Analyzing trace with hash 1582355205, now seen corresponding path program 1 times [2018-01-28 22:06:36,850 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:06:36,850 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:06:36,891 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:36,891 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:06:36,891 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:36,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:06:36,949 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:06:37,042 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 22:06:37,044 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:06:37,045 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-28 22:06:37,046 INFO L409 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-01-28 22:06:37,057 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-01-28 22:06:37,057 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-01-28 22:06:37,059 INFO L87 Difference]: Start difference. First operand 53 states. Second operand 3 states. [2018-01-28 22:06:37,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:06:37,222 INFO L93 Difference]: Finished difference Result 53 states and 54 transitions. [2018-01-28 22:06:37,222 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-01-28 22:06:37,223 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-01-28 22:06:37,224 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:06:37,232 INFO L225 Difference]: With dead ends: 53 [2018-01-28 22:06:37,232 INFO L226 Difference]: Without dead ends: 43 [2018-01-28 22:06:37,236 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 1 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 22:06:37,249 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2018-01-28 22:06:37,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2018-01-28 22:06:37,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2018-01-28 22:06:37,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 44 transitions. [2018-01-28 22:06:37,268 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 44 transitions. Word has length 9 [2018-01-28 22:06:37,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:06:37,269 INFO L432 AbstractCegarLoop]: Abstraction has 43 states and 44 transitions. [2018-01-28 22:06:37,269 INFO L433 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-01-28 22:06:37,269 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 44 transitions. [2018-01-28 22:06:37,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-01-28 22:06:37,269 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:06:37,269 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:06:37,270 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:06:37,270 INFO L82 PathProgramCache]: Analyzing trace with hash 1582355206, now seen corresponding path program 1 times [2018-01-28 22:06:37,270 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:06:37,270 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:06:37,271 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,271 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:06:37,271 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:06:37,290 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:06:37,386 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 22:06:37,386 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:06:37,387 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-28 22:06:37,388 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-28 22:06:37,389 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-28 22:06:37,389 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-28 22:06:37,389 INFO L87 Difference]: Start difference. First operand 43 states and 44 transitions. Second operand 4 states. [2018-01-28 22:06:37,456 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:06:37,456 INFO L93 Difference]: Finished difference Result 43 states and 44 transitions. [2018-01-28 22:06:37,457 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2018-01-28 22:06:37,457 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 9 [2018-01-28 22:06:37,457 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:06:37,457 INFO L225 Difference]: With dead ends: 43 [2018-01-28 22:06:37,458 INFO L226 Difference]: Without dead ends: 36 [2018-01-28 22:06:37,458 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2018-01-28 22:06:37,459 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 36 states. [2018-01-28 22:06:37,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 36 to 36. [2018-01-28 22:06:37,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 36 states. [2018-01-28 22:06:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 36 states to 36 states and 37 transitions. [2018-01-28 22:06:37,462 INFO L78 Accepts]: Start accepts. Automaton has 36 states and 37 transitions. Word has length 9 [2018-01-28 22:06:37,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:06:37,463 INFO L432 AbstractCegarLoop]: Abstraction has 36 states and 37 transitions. [2018-01-28 22:06:37,463 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-28 22:06:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 37 transitions. [2018-01-28 22:06:37,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-28 22:06:37,463 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:06:37,463 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 22:06:37,464 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:06:37,464 INFO L82 PathProgramCache]: Analyzing trace with hash 1251049842, now seen corresponding path program 1 times [2018-01-28 22:06:37,464 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:06:37,464 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:06:37,465 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,466 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:06:37,466 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:06:37,487 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:06:37,575 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 22:06:37,575 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:06:37,575 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:06:37,576 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:06:37,576 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:06:37,576 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:06:37,577 INFO L87 Difference]: Start difference. First operand 36 states and 37 transitions. Second operand 5 states. [2018-01-28 22:06:37,644 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:06:37,645 INFO L93 Difference]: Finished difference Result 36 states and 37 transitions. [2018-01-28 22:06:37,645 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:06:37,645 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-01-28 22:06:37,646 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:06:37,646 INFO L225 Difference]: With dead ends: 36 [2018-01-28 22:06:37,647 INFO L226 Difference]: Without dead ends: 35 [2018-01-28 22:06:37,647 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:06:37,647 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 35 states. [2018-01-28 22:06:37,652 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 35 to 35. [2018-01-28 22:06:37,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-28 22:06:37,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 36 transitions. [2018-01-28 22:06:37,654 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 36 transitions. Word has length 21 [2018-01-28 22:06:37,654 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:06:37,654 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 36 transitions. [2018-01-28 22:06:37,654 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:06:37,655 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 36 transitions. [2018-01-28 22:06:37,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-28 22:06:37,655 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:06:37,656 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 22:06:37,656 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:06:37,656 INFO L82 PathProgramCache]: Analyzing trace with hash 1251049843, now seen corresponding path program 1 times [2018-01-28 22:06:37,656 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:06:37,656 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:06:37,657 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,658 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:06:37,658 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:06:37,675 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:06:37,750 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 22:06:37,750 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:06:37,750 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:06:37,751 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:06:37,751 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:06:37,751 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:06:37,751 INFO L87 Difference]: Start difference. First operand 35 states and 36 transitions. Second operand 5 states. [2018-01-28 22:06:37,836 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:06:37,836 INFO L93 Difference]: Finished difference Result 35 states and 36 transitions. [2018-01-28 22:06:37,837 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:06:37,837 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-01-28 22:06:37,837 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:06:37,838 INFO L225 Difference]: With dead ends: 35 [2018-01-28 22:06:37,838 INFO L226 Difference]: Without dead ends: 34 [2018-01-28 22:06:37,838 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2018-01-28 22:06:37,839 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2018-01-28 22:06:37,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 34. [2018-01-28 22:06:37,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34 states. [2018-01-28 22:06:37,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34 states to 34 states and 35 transitions. [2018-01-28 22:06:37,843 INFO L78 Accepts]: Start accepts. Automaton has 34 states and 35 transitions. Word has length 21 [2018-01-28 22:06:37,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:06:37,844 INFO L432 AbstractCegarLoop]: Abstraction has 34 states and 35 transitions. [2018-01-28 22:06:37,844 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:06:37,844 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 35 transitions. [2018-01-28 22:06:37,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-28 22:06:37,845 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:06:37,845 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, 1, 1] [2018-01-28 22:06:37,845 INFO L371 AbstractCegarLoop]: === Iteration 5 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr18EnsuresViolation, mainErr0RequiresViolation, mainErr3RequiresViolation, mainErr7RequiresViolation, mainErr11RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr2RequiresViolation, mainErr4RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:06:37,845 INFO L82 PathProgramCache]: Analyzing trace with hash -331944236, now seen corresponding path program 1 times [2018-01-28 22:06:37,845 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:06:37,845 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:06:37,846 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,847 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:06:37,847 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:06:37,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 22:06:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 22:06:37,901 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-28 22:06:37,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:06:37 BoogieIcfgContainer [2018-01-28 22:06:37,923 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:06:37,924 INFO L168 Benchmark]: Toolchain (without parser) took 1661.07 ms. Allocated memory was 305.7 MB in the beginning and 464.5 MB in the end (delta: 158.9 MB). Free memory was 264.5 MB in the beginning and 370.4 MB in the end (delta: -105.9 MB). Peak memory consumption was 53.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:06:37,925 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 305.7 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:06:37,925 INFO L168 Benchmark]: CACSL2BoogieTranslator took 202.97 ms. Allocated memory is still 305.7 MB. Free memory was 264.5 MB in the beginning and 254.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:06:37,925 INFO L168 Benchmark]: Boogie Preprocessor took 36.58 ms. Allocated memory is still 305.7 MB. Free memory was 254.6 MB in the beginning and 252.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:06:37,925 INFO L168 Benchmark]: RCFGBuilder took 250.18 ms. Allocated memory is still 305.7 MB. Free memory was 252.6 MB in the beginning and 233.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. [2018-01-28 22:06:37,926 INFO L168 Benchmark]: TraceAbstraction took 1163.28 ms. Allocated memory was 305.7 MB in the beginning and 464.5 MB in the end (delta: 158.9 MB). Free memory was 233.6 MB in the beginning and 370.4 MB in the end (delta: -136.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 5.3 GB. [2018-01-28 22:06:37,927 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 305.7 MB. Free memory is still 270.5 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 202.97 ms. Allocated memory is still 305.7 MB. Free memory was 264.5 MB in the beginning and 254.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 36.58 ms. Allocated memory is still 305.7 MB. Free memory was 254.6 MB in the beginning and 252.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 250.18 ms. Allocated memory is still 305.7 MB. Free memory was 252.6 MB in the beginning and 233.6 MB in the end (delta: 18.9 MB). Peak memory consumption was 18.9 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1163.28 ms. Allocated memory was 305.7 MB in the beginning and 464.5 MB in the end (delta: 158.9 MB). Free memory was 233.6 MB in the beginning and 370.4 MB in the end (delta: -136.8 MB). Peak memory consumption was 22.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - CounterExampleResult [Line: 1]: free of unallocated memory possible free of unallocated memory possible We found a FailurePath: [L622-L629] FCALL union { void *p0; struct { char c[2]; int p1; int p2; } str; } data; VAL [data={42:0}] [L630] EXPR, FCALL malloc(37U) VAL [data={42:0}, malloc(37U)={38:0}] [L630] FCALL data.p0 = malloc(37U) VAL [data={42:0}, malloc(37U)={38:0}] [L631] EXPR, FCALL data.p0 VAL [data={42:0}, data.p0={38:0}, malloc(37U)={38:0}] [L631] void *ptr = data.p0; VAL [data={42:0}, data.p0={38:0}, malloc(37U)={38:0}, ptr={38:0}] [L632] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, data={42:0}, malloc(37U)={38:0}, ptr={38:0}] [L635] FCALL data.str.p2 = 30 VAL [data={42:0}, malloc(37U)={38:0}, ptr={38:0}] [L637] EXPR, FCALL data.str.p2 VAL [data={42:0}, data.str.p2=30, malloc(37U)={38:0}, ptr={38:0}] [L637] COND FALSE !(25 > data.str.p2) VAL [data={42:0}, data.str.p2=30, malloc(37U)={38:0}, ptr={38:0}] [L640] EXPR, FCALL data.p0 VAL [data={42:0}, data.p0={38:0}, malloc(37U)={38:0}, ptr={38:0}] [L640] FCALL free(data.p0) VAL [data={42:0}, data.p0={38:0}, malloc(37U)={38:0}, ptr={38:0}] [L641] FCALL free(ptr) VAL [data={42:0}, malloc(37U)={38:0}, ptr={38:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 53 locations, 19 error locations. UNSAFE Result, 1.1s OverallTime, 5 OverallIterations, 1 TraceHistogramMax, 0.4s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 110 SDtfs, 113 SDslu, 101 SDs, 0 SdLazy, 102 SolverSat, 25 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 20 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=53occurred 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, 4 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 83 NumberOfCodeBlocks, 83 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 56 ConstructedInterpolants, 0 QuantifiedInterpolants, 4480 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 proved your program to be incorrect! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-06-37-933.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/test-0158_1_false-valid-free.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-06-37-933.csv Received shutdown request...