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-properties/splice_true-unreach-call_false-valid-memtrack.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-acfac67 [2018-01-28 22:49:29,973 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-28 22:49:29,975 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-28 22:49:29,990 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-28 22:49:29,990 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-28 22:49:29,991 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-28 22:49:29,992 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-28 22:49:29,994 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-28 22:49:29,996 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-28 22:49:29,997 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-28 22:49:29,998 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-28 22:49:29,998 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-28 22:49:29,999 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-28 22:49:30,000 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-28 22:49:30,001 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-28 22:49:30,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-28 22:49:30,006 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-28 22:49:30,008 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-28 22:49:30,009 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-28 22:49:30,010 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-28 22:49:30,013 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-01-28 22:49:30,013 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-01-28 22:49:30,013 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-01-28 22:49:30,014 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-01-28 22:49:30,015 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-01-28 22:49:30,016 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-01-28 22:49:30,017 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-01-28 22:49:30,017 INFO L177 SettingsManager]: PEA to Boogie provides no preferences, ignoring... [2018-01-28 22:49:30,018 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-01-28 22:49:30,018 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-28 22:49:30,018 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-28 22:49:30,019 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 22:49:30,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-28 22:49:30,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-28 22:49:30,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-28 22:49:30,029 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-28 22:49:30,029 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-28 22:49:30,029 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-28 22:49:30,029 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-28 22:49:30,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-28 22:49:30,030 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-28 22:49:30,031 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-28 22:49:30,031 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-28 22:49:30,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-28 22:49:30,031 INFO L133 SettingsManager]: * Size of a code block=SingleStatement [2018-01-28 22:49:30,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-28 22:49:30,031 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-28 22:49:30,031 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-28 22:49:30,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-28 22:49:30,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-28 22:49:30,032 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-28 22:49:30,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-28 22:49:30,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-28 22:49:30,033 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-01-28 22:49:30,033 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-28 22:49:30,033 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-28 22:49:30,033 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-28 22:49:30,034 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-28 22:49:30,034 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-28 22:49:30,067 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-28 22:49:30,077 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-28 22:49:30,080 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-28 22:49:30,082 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-28 22:49:30,082 INFO L276 PluginConnector]: CDTParser initialized [2018-01-28 22:49:30,083 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/list-properties/splice_true-unreach-call_false-valid-memtrack.i [2018-01-28 22:49:30,232 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-28 22:49:30,237 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-28 22:49:30,238 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-28 22:49:30,238 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-28 22:49:30,243 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-28 22:49:30,244 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,246 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@67990aa8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30, skipping insertion in model container [2018-01-28 22:49:30,246 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,259 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:49:30,297 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-28 22:49:30,420 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:49:30,438 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-28 22:49:30,448 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30 WrapperNode [2018-01-28 22:49:30,448 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-28 22:49:30,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-28 22:49:30,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-28 22:49:30,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-28 22:49:30,466 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,466 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,478 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,478 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,485 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,489 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (1/1) ... [2018-01-28 22:49:30,493 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-28 22:49:30,493 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-28 22:49:30,494 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-28 22:49:30,494 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-28 22:49:30,495 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (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 22:49:30,558 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-28 22:49:30,558 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-28 22:49:30,558 INFO L136 BoogieDeclarations]: Found implementation of procedure exit [2018-01-28 22:49:30,558 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-01-28 22:49:30,559 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-28 22:49:30,560 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-28 22:49:30,560 INFO L128 BoogieDeclarations]: Found specification of procedure exit [2018-01-28 22:49:30,560 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-28 22:49:30,560 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-28 22:49:30,560 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-28 22:49:30,959 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-28 22:49:30,959 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:49:30 BoogieIcfgContainer [2018-01-28 22:49:30,959 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-28 22:49:30,960 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-28 22:49:30,960 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-28 22:49:30,963 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-28 22:49:30,963 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.01 10:49:30" (1/3) ... [2018-01-28 22:49:30,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b26bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:49:30, skipping insertion in model container [2018-01-28 22:49:30,964 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.01 10:49:30" (2/3) ... [2018-01-28 22:49:30,964 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@54b26bed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.01 10:49:30, skipping insertion in model container [2018-01-28 22:49:30,965 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.01 10:49:30" (3/3) ... [2018-01-28 22:49:30,966 INFO L107 eAbstractionObserver]: Analyzing ICFG splice_true-unreach-call_false-valid-memtrack.i [2018-01-28 22:49:30,973 INFO L128 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-28 22:49:30,980 INFO L140 ceAbstractionStarter]: Appying trace abstraction to program that has 29 error locations. [2018-01-28 22:49:31,019 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-28 22:49:31,019 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-28 22:49:31,019 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-28 22:49:31,019 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-28 22:49:31,019 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-28 22:49:31,019 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-28 22:49:31,020 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-28 22:49:31,020 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-28 22:49:31,021 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-28 22:49:31,038 INFO L276 IsEmpty]: Start isEmpty. Operand 119 states. [2018-01-28 22:49:31,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-01-28 22:49:31,043 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:49:31,044 INFO L330 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-28 22:49:31,044 INFO L371 AbstractCegarLoop]: === Iteration 1 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:49:31,048 INFO L82 PathProgramCache]: Analyzing trace with hash -1626980602, now seen corresponding path program 1 times [2018-01-28 22:49:31,050 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:49:31,050 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:49:31,090 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:31,090 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:49:31,091 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:31,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:49:31,139 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:49:31,173 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 22:49:31,175 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:49:31,175 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2018-01-28 22:49:31,177 INFO L409 AbstractCegarLoop]: Interpolant automaton has 2 states [2018-01-28 22:49:31,187 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 2 interpolants. [2018-01-28 22:49:31,188 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-28 22:49:31,189 INFO L87 Difference]: Start difference. First operand 119 states. Second operand 2 states. [2018-01-28 22:49:31,313 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:49:31,314 INFO L93 Difference]: Finished difference Result 192 states and 214 transitions. [2018-01-28 22:49:31,314 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 2 states. [2018-01-28 22:49:31,315 INFO L78 Accepts]: Start accepts. Automaton has 2 states. Word has length 18 [2018-01-28 22:49:31,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:49:31,324 INFO L225 Difference]: With dead ends: 192 [2018-01-28 22:49:31,324 INFO L226 Difference]: Without dead ends: 108 [2018-01-28 22:49:31,329 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 0 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=1, Invalid=1, Unknown=0, NotChecked=0, Total=2 [2018-01-28 22:49:31,343 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 108 states. [2018-01-28 22:49:31,361 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 108 to 108. [2018-01-28 22:49:31,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 108 states. [2018-01-28 22:49:31,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 108 states and 114 transitions. [2018-01-28 22:49:31,366 INFO L78 Accepts]: Start accepts. Automaton has 108 states and 114 transitions. Word has length 18 [2018-01-28 22:49:31,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:49:31,367 INFO L432 AbstractCegarLoop]: Abstraction has 108 states and 114 transitions. [2018-01-28 22:49:31,367 INFO L433 AbstractCegarLoop]: Interpolant automaton has 2 states. [2018-01-28 22:49:31,367 INFO L276 IsEmpty]: Start isEmpty. Operand 108 states and 114 transitions. [2018-01-28 22:49:31,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-28 22:49:31,368 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:49:31,368 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 22:49:31,368 INFO L371 AbstractCegarLoop]: === Iteration 2 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:49:31,368 INFO L82 PathProgramCache]: Analyzing trace with hash -713223814, now seen corresponding path program 1 times [2018-01-28 22:49:31,368 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:49:31,368 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:49:31,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:31,369 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:49:31,369 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:49:31,384 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:49:31,481 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 22:49:31,481 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:49:31,481 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:49:31,483 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:49:31,483 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:49:31,484 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:49:31,484 INFO L87 Difference]: Start difference. First operand 108 states and 114 transitions. Second operand 5 states. [2018-01-28 22:49:31,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:49:31,745 INFO L93 Difference]: Finished difference Result 129 states and 136 transitions. [2018-01-28 22:49:31,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:49:31,745 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-01-28 22:49:31,746 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:49:31,747 INFO L225 Difference]: With dead ends: 129 [2018-01-28 22:49:31,747 INFO L226 Difference]: Without dead ends: 119 [2018-01-28 22:49:31,748 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 22:49:31,749 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 119 states. [2018-01-28 22:49:31,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 119 to 113. [2018-01-28 22:49:31,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 113 states. [2018-01-28 22:49:31,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 113 states to 113 states and 125 transitions. [2018-01-28 22:49:31,760 INFO L78 Accepts]: Start accepts. Automaton has 113 states and 125 transitions. Word has length 21 [2018-01-28 22:49:31,760 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:49:31,760 INFO L432 AbstractCegarLoop]: Abstraction has 113 states and 125 transitions. [2018-01-28 22:49:31,760 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:49:31,761 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 125 transitions. [2018-01-28 22:49:31,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-01-28 22:49:31,761 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:49:31,761 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 22:49:31,762 INFO L371 AbstractCegarLoop]: === Iteration 3 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:49:31,762 INFO L82 PathProgramCache]: Analyzing trace with hash -713223813, now seen corresponding path program 1 times [2018-01-28 22:49:31,762 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:49:31,762 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:49:31,763 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:31,763 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:49:31,763 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:31,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-28 22:49:31,775 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-28 22:49:31,864 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 22:49:31,864 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-28 22:49:31,864 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-28 22:49:31,865 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-28 22:49:31,865 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-28 22:49:31,865 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-28 22:49:31,865 INFO L87 Difference]: Start difference. First operand 113 states and 125 transitions. Second operand 5 states. [2018-01-28 22:49:32,034 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-28 22:49:32,034 INFO L93 Difference]: Finished difference Result 146 states and 156 transitions. [2018-01-28 22:49:32,034 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-28 22:49:32,034 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 21 [2018-01-28 22:49:32,035 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-28 22:49:32,036 INFO L225 Difference]: With dead ends: 146 [2018-01-28 22:49:32,036 INFO L226 Difference]: Without dead ends: 138 [2018-01-28 22:49:32,037 INFO L533 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 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 22:49:32,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 138 states. [2018-01-28 22:49:32,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 138 to 123. [2018-01-28 22:49:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 123 states. [2018-01-28 22:49:32,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 123 states and 132 transitions. [2018-01-28 22:49:32,049 INFO L78 Accepts]: Start accepts. Automaton has 123 states and 132 transitions. Word has length 21 [2018-01-28 22:49:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-28 22:49:32,049 INFO L432 AbstractCegarLoop]: Abstraction has 123 states and 132 transitions. [2018-01-28 22:49:32,050 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-28 22:49:32,050 INFO L276 IsEmpty]: Start isEmpty. Operand 123 states and 132 transitions. [2018-01-28 22:49:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-01-28 22:49:32,051 INFO L322 BasicCegarLoop]: Found error trace [2018-01-28 22:49:32,051 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, 1, 1, 1] [2018-01-28 22:49:32,051 INFO L371 AbstractCegarLoop]: === Iteration 4 === [mainErr5RequiresViolation, mainErr13RequiresViolation, mainErr26RequiresViolation, mainErr18RequiresViolation, mainErr23RequiresViolation, mainErr0RequiresViolation, mainErr21RequiresViolation, mainErr3RequiresViolation, mainErr15RequiresViolation, mainErr16RequiresViolation, mainErr25RequiresViolation, mainErr28EnsuresViolation, mainErr2RequiresViolation, mainErr12RequiresViolation, mainErr6RequiresViolation, mainErr19RequiresViolation, mainErr22RequiresViolation, mainErr27RequiresViolation, mainErr1RequiresViolation, mainErr17RequiresViolation, mainErr9RequiresViolation, mainErr7RequiresViolation, mainErr20RequiresViolation, mainErr11RequiresViolation, mainErr24RequiresViolation, mainErr8RequiresViolation, mainErr10RequiresViolation, mainErr4RequiresViolation, mainErr14RequiresViolation]=== [2018-01-28 22:49:32,051 INFO L82 PathProgramCache]: Analyzing trace with hash -448569449, now seen corresponding path program 1 times [2018-01-28 22:49:32,051 INFO L209 onRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-01-28 22:49:32,051 INFO L67 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-01-28 22:49:32,052 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:32,053 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-28 22:49:32,053 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-28 22:49:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 22:49:32,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is sat [2018-01-28 22:49:32,108 INFO L389 BasicCegarLoop]: Counterexample might be feasible [2018-01-28 22:49:32,122 WARN L343 cessorBacktranslator]: Generated EnsuresSpecification ensures #valid == old(#valid); is not ensure(true) [2018-01-28 22:49:32,140 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.01 10:49:32 BoogieIcfgContainer [2018-01-28 22:49:32,141 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-28 22:49:32,141 INFO L168 Benchmark]: Toolchain (without parser) took 1908.65 ms. Allocated memory was 300.4 MB in the beginning and 457.7 MB in the end (delta: 157.3 MB). Free memory was 260.3 MB in the beginning and 359.2 MB in the end (delta: -98.9 MB). Peak memory consumption was 58.4 MB. Max. memory is 5.3 GB. [2018-01-28 22:49:32,142 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 300.4 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-28 22:49:32,142 INFO L168 Benchmark]: CACSL2BoogieTranslator took 210.46 ms. Allocated memory is still 300.4 MB. Free memory was 259.3 MB in the beginning and 248.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. [2018-01-28 22:49:32,143 INFO L168 Benchmark]: Boogie Preprocessor took 44.18 ms. Allocated memory is still 300.4 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-28 22:49:32,143 INFO L168 Benchmark]: RCFGBuilder took 465.93 ms. Allocated memory is still 300.4 MB. Free memory was 246.2 MB in the beginning and 217.1 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 5.3 GB. [2018-01-28 22:49:32,143 INFO L168 Benchmark]: TraceAbstraction took 1180.77 ms. Allocated memory was 300.4 MB in the beginning and 457.7 MB in the end (delta: 157.3 MB). Free memory was 217.1 MB in the beginning and 359.2 MB in the end (delta: -142.1 MB). Peak memory consumption was 15.2 MB. Max. memory is 5.3 GB. [2018-01-28 22:49:32,145 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 300.4 MB. Free memory is still 266.3 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 210.46 ms. Allocated memory is still 300.4 MB. Free memory was 259.3 MB in the beginning and 248.2 MB in the end (delta: 11.1 MB). Peak memory consumption was 11.1 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 44.18 ms. Allocated memory is still 300.4 MB. Free memory was 248.2 MB in the beginning and 246.2 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 465.93 ms. Allocated memory is still 300.4 MB. Free memory was 246.2 MB in the beginning and 217.1 MB in the end (delta: 29.2 MB). Peak memory consumption was 29.2 MB. Max. memory is 5.3 GB. * TraceAbstraction took 1180.77 ms. Allocated memory was 300.4 MB in the beginning and 457.7 MB in the end (delta: 157.3 MB). Free memory was 217.1 MB in the beginning and 359.2 MB in the end (delta: -142.1 MB). Peak memory consumption was 15.2 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: 626]: Unable to prove that all allocated memory was freed Unable to prove that all allocated memory was freed Reason: overapproximation of memtrack at line 626. Possible FailurePath: [L627] int flag = 1; VAL [flag=1] [L628] EXPR, FCALL malloc(sizeof(struct node)) VAL [flag=1, malloc(sizeof(struct node))={9:0}] [L628] List a = (List) malloc(sizeof(struct node)); VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L629] COND FALSE !(a == 0) VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L630] List t; VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L631] List l1; VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L632] List l2; VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L633] List b; VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L634] List u; VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}] [L635] List p = a; VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}, p={9:0}] [L636] COND FALSE !(__VERIFIER_nondet_int()) VAL [__VERIFIER_nondet_int()=0, a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}, p={9:0}] [L649] FCALL p->h = 3 VAL [a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}, p={9:0}] [L650] EXPR, FCALL a->h VAL [a={9:0}, a->h=3, flag=1, malloc(sizeof(struct node))={9:0}, p={9:0}] [L650] COND TRUE a->h == 3 VAL [a={9:0}, a->h=3, flag=1, malloc(sizeof(struct node))={9:0}, p={9:0}] [L650] return 0; VAL [\result=0, a={9:0}, flag=1, malloc(sizeof(struct node))={9:0}, p={9:0}] - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 121 locations, 29 error locations. UNSAFE Result, 1.1s OverallTime, 4 OverallIterations, 1 TraceHistogramMax, 0.5s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 269 SDtfs, 568 SDslu, 118 SDs, 0 SdLazy, 155 SolverSat, 38 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14 GetRequests, 4 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=123occurred 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, 3 MinimizatonAttempts, 21 StatesRemovedByMinimization, 2 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 86 NumberOfCodeBlocks, 86 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 57 ConstructedInterpolants, 0 QuantifiedInterpolants, 4209 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 3 InterpolantComputations, 3 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/splice_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-28_22-49-32-152.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/splice_true-unreach-call_false-valid-memtrack.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Camel+AI_EQ_SS.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-28_22-49-32-152.csv Received shutdown request...