java -Xmx6000000000 -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data ./data --generate-csv --csv-dir ../../../releaseScripts/default/UAutomizer-linux/csv -tc ../../../trunk/examples/toolchains/AutomizerC.xml -s ../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf -i ../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test10_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-2f49842 [2018-01-21 06:13:08,342 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-21 06:13:08,344 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-21 06:13:08,357 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-21 06:13:08,358 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-21 06:13:08,359 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-21 06:13:08,360 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-21 06:13:08,362 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-21 06:13:08,364 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-21 06:13:08,364 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-21 06:13:08,365 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-21 06:13:08,365 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-21 06:13:08,366 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-21 06:13:08,366 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-21 06:13:08,367 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-21 06:13:08,370 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-21 06:13:08,372 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-21 06:13:08,374 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-21 06:13:08,375 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-21 06:13:08,376 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-21 06:13:08,379 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-21 06:13:08,385 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf [2018-01-21 06:13:08,395 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-21 06:13:08,395 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-21 06:13:08,396 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-21 06:13:08,396 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-21 06:13:08,396 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-21 06:13:08,396 INFO L133 SettingsManager]: * Weq Fattening=true [2018-01-21 06:13:08,397 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-21 06:13:08,397 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-21 06:13:08,398 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-21 06:13:08,398 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-21 06:13:08,398 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-21 06:13:08,398 INFO L133 SettingsManager]: * Check allocation purity=true [2018-01-21 06:13:08,398 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-21 06:13:08,398 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-21 06:13:08,399 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-21 06:13:08,399 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-01-21 06:13:08,399 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-21 06:13:08,399 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-01-21 06:13:08,399 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-21 06:13:08,399 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-01-21 06:13:08,400 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-01-21 06:13:08,400 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-21 06:13:08,400 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-21 06:13:08,400 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-21 06:13:08,400 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-21 06:13:08,401 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-21 06:13:08,401 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-21 06:13:08,401 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-21 06:13:08,401 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-21 06:13:08,401 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-21 06:13:08,401 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-21 06:13:08,402 INFO L133 SettingsManager]: * Stop after first violation was found=false [2018-01-21 06:13:08,402 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-21 06:13:08,402 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-21 06:13:08,402 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-21 06:13:08,402 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-21 06:13:08,403 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-21 06:13:08,403 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-21 06:13:08,404 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-21 06:13:08,438 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-21 06:13:08,452 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-21 06:13:08,456 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-21 06:13:08,458 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-21 06:13:08,458 INFO L276 PluginConnector]: CDTParser initialized [2018-01-21 06:13:08,459 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/ldv-memsafety/memleaks_test10_true-valid-memsafety_true-termination.i [2018-01-21 06:13:08,679 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-21 06:13:08,685 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-21 06:13:08,686 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-21 06:13:08,686 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-21 06:13:08,693 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-21 06:13:08,695 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,698 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f424e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08, skipping insertion in model container [2018-01-21 06:13:08,698 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,717 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:13:08,769 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-21 06:13:08,876 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:13:08,894 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-21 06:13:08,904 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08 WrapperNode [2018-01-21 06:13:08,905 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-21 06:13:08,905 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-21 06:13:08,905 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-21 06:13:08,906 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-21 06:13:08,917 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,917 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,926 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,926 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,930 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,932 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,933 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (1/1) ... [2018-01-21 06:13:08,934 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-21 06:13:08,935 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-21 06:13:08,935 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-21 06:13:08,935 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-21 06:13:08,936 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (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 [2018-01-21 06:13:08,982 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-21 06:13:08,982 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-21 06:13:08,982 INFO L136 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2018-01-21 06:13:08,982 INFO L136 BoogieDeclarations]: Found implementation of procedure alloc_10 [2018-01-21 06:13:08,982 INFO L136 BoogieDeclarations]: Found implementation of procedure free_10 [2018-01-21 06:13:08,982 INFO L136 BoogieDeclarations]: Found implementation of procedure entry_point [2018-01-21 06:13:08,983 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure malloc [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure free [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure ldv_malloc [2018-01-21 06:13:08,983 INFO L128 BoogieDeclarations]: Found specification of procedure alloc_10 [2018-01-21 06:13:08,984 INFO L128 BoogieDeclarations]: Found specification of procedure free_10 [2018-01-21 06:13:08,984 INFO L128 BoogieDeclarations]: Found specification of procedure entry_point [2018-01-21 06:13:08,984 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-21 06:13:08,984 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-21 06:13:08,984 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-21 06:13:09,232 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-21 06:13:09,232 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:13:09 BoogieIcfgContainer [2018-01-21 06:13:09,233 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-21 06:13:09,233 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-21 06:13:09,234 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-21 06:13:09,236 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-21 06:13:09,236 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.01 06:13:08" (1/3) ... [2018-01-21 06:13:09,237 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1487f9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 06:13:09, skipping insertion in model container [2018-01-21 06:13:09,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.01 06:13:08" (2/3) ... [2018-01-21 06:13:09,238 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1487f9af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.01 06:13:09, skipping insertion in model container [2018-01-21 06:13:09,238 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.01 06:13:09" (3/3) ... [2018-01-21 06:13:09,240 INFO L105 eAbstractionObserver]: Analyzing ICFG memleaks_test10_true-valid-memsafety_true-termination.i [2018-01-21 06:13:09,251 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-21 06:13:09,259 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 7 error locations. [2018-01-21 06:13:09,298 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-21 06:13:09,298 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-21 06:13:09,298 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-21 06:13:09,298 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-21 06:13:09,298 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-21 06:13:09,298 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-21 06:13:09,298 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-21 06:13:09,299 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == free_10Err0EnsuresViolation======== [2018-01-21 06:13:09,299 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-21 06:13:09,316 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states. [2018-01-21 06:13:09,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2018-01-21 06:13:09,323 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:13:09,324 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:13:09,324 INFO L371 AbstractCegarLoop]: === Iteration 1 === [free_10Err0EnsuresViolation]=== [2018-01-21 06:13:09,328 INFO L82 PathProgramCache]: Analyzing trace with hash 969405430, now seen corresponding path program 1 times [2018-01-21 06:13:09,330 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:13:09,377 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:13:09,377 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:13:09,391 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:13:09,391 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:13:09,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:13:09,464 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:13:09,688 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-01-21 06:13:09,691 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 06:13:09,691 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 06:13:09,692 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 55 with the following transitions: [2018-01-21 06:13:09,694 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [4], [5], [6], [11], [12], [13], [14], [15], [16], [18], [19], [25], [26], [28], [29], [36], [40], [42], [43], [44], [49], [50], [52], [53], [54], [55], [60], [75], [76], [77], [79], [80], [81], [83], [84], [85], [86], [87], [88], [89], [90], [91] [2018-01-21 06:13:09,815 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 06:13:09,816 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 06:13:09,953 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 06:13:09,955 INFO L268 AbstractInterpreter]: Visited 13 different actions 13 times. Never merged. Never widened. Never found a fixpoint. Largest state had 26 variables. [2018-01-21 06:13:09,970 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 06:13:10,060 INFO L232 lantSequenceWeakener]: Weakened 12 states. On average, predicates are now at 55.83% of their original sizes. [2018-01-21 06:13:10,060 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 06:13:10,118 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 06:13:10,119 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 06:13:10,119 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [9] imperfect sequences [5] total 13 [2018-01-21 06:13:10,119 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:13:10,123 INFO L409 AbstractCegarLoop]: Interpolant automaton has 10 states [2018-01-21 06:13:10,127 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2018-01-21 06:13:10,128 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=31, Invalid=59, Unknown=0, NotChecked=0, Total=90 [2018-01-21 06:13:10,131 INFO L87 Difference]: Start difference. First operand 66 states. Second operand 10 states. [2018-01-21 06:13:14,521 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-21 06:13:14,524 INFO L93 Difference]: Finished difference Result 129 states and 147 transitions. [2018-01-21 06:13:14,525 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 06:13:14,526 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 54 [2018-01-21 06:13:14,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-21 06:13:14,538 INFO L225 Difference]: With dead ends: 129 [2018-01-21 06:13:14,539 INFO L226 Difference]: Without dead ends: 47 [2018-01-21 06:13:14,543 INFO L525 BasicCegarLoop]: 2 DeclaredPredicates, 56 GetRequests, 45 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=53, Invalid=103, Unknown=0, NotChecked=0, Total=156 [2018-01-21 06:13:14,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47 states. [2018-01-21 06:13:14,581 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47 to 47. [2018-01-21 06:13:14,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47 states. [2018-01-21 06:13:14,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 47 states and 52 transitions. [2018-01-21 06:13:14,587 INFO L78 Accepts]: Start accepts. Automaton has 47 states and 52 transitions. Word has length 54 [2018-01-21 06:13:14,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-21 06:13:14,587 INFO L432 AbstractCegarLoop]: Abstraction has 47 states and 52 transitions. [2018-01-21 06:13:14,587 INFO L433 AbstractCegarLoop]: Interpolant automaton has 10 states. [2018-01-21 06:13:14,588 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 52 transitions. [2018-01-21 06:13:14,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-01-21 06:13:14,591 INFO L314 BasicCegarLoop]: Found error trace [2018-01-21 06:13:14,591 INFO L322 BasicCegarLoop]: trace histogram [4, 4, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-21 06:13:14,592 INFO L371 AbstractCegarLoop]: === Iteration 2 === [free_10Err0EnsuresViolation]=== [2018-01-21 06:13:14,592 INFO L82 PathProgramCache]: Analyzing trace with hash -1942043624, now seen corresponding path program 1 times [2018-01-21 06:13:14,592 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-21 06:13:14,594 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:13:14,594 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-21 06:13:14,594 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-21 06:13:14,595 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-21 06:13:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-21 06:13:14,622 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-21 06:13:14,697 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 0 proven. 12 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-01-21 06:13:14,697 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-21 06:13:14,697 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-21 06:13:14,698 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 57 with the following transitions: [2018-01-21 06:13:14,698 INFO L201 CegarAbsIntRunner]: [0], [1], [2], [4], [5], [6], [11], [12], [13], [14], [15], [16], [18], [19], [22], [23], [24], [25], [26], [28], [29], [36], [40], [42], [43], [44], [49], [50], [52], [53], [54], [55], [60], [75], [76], [77], [79], [80], [81], [83], [84], [85], [86], [87], [88], [89], [90], [91] [2018-01-21 06:13:14,700 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-21 06:13:14,701 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-21 06:13:14,827 INFO L262 AbstractInterpreter]: Error location(s) were unreachable [2018-01-21 06:13:14,827 INFO L268 AbstractInterpreter]: Visited 16 different actions 17 times. Merged at 1 different actions 1 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 28 variables. [2018-01-21 06:13:14,831 INFO L395 sIntCurrentIteration]: Generating AbsInt predicates [2018-01-21 06:13:15,241 INFO L232 lantSequenceWeakener]: Weakened 14 states. On average, predicates are now at 60.15% of their original sizes. [2018-01-21 06:13:15,241 INFO L408 sIntCurrentIteration]: Unifying AI predicates [2018-01-21 06:13:15,379 INFO L419 sIntCurrentIteration]: Finished generation of AbsInt predicates [2018-01-21 06:13:15,379 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-01-21 06:13:15,379 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [12] imperfect sequences [4] total 15 [2018-01-21 06:13:15,379 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-21 06:13:15,381 INFO L409 AbstractCegarLoop]: Interpolant automaton has 13 states [2018-01-21 06:13:15,381 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2018-01-21 06:13:15,382 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=112, Unknown=0, NotChecked=0, Total=156 [2018-01-21 06:13:15,382 INFO L87 Difference]: Start difference. First operand 47 states and 52 transitions. Second operand 13 states. [2018-01-21 06:13:16,220 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2018-01-21 06:13:16,221 FATAL L292 ToolchainWalker]: The Plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction has thrown an exception: java.lang.NullPointerException at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.(WeqCongruenceClosure.java:157) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCcManager.copyWeqCc(WeqCcManager.java:1327) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCcManager.isStrongerThan(WeqCcManager.java:582) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.EqConstraint.isStrongerThan(EqConstraint.java:283) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.vp.EqState.isSubsetOf(EqState.java:192) at de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2.domain.transformula.vp.EqState.isSubsetOf(EqState.java:1) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.getMaximalElements(DisjunctiveAbstractState.java:565) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.crossProduct(DisjunctiveAbstractState.java:407) at de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.DisjunctiveAbstractState.intersect(DisjunctiveAbstractState.java:291) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntPredicateUnifier.lambda$3(CegarAbsIntRunner.java:684) at java.util.stream.ReduceOps$2ReducingSink.accept(ReduceOps.java:123) at java.util.HashMap$KeySpliterator.forEachRemaining(HashMap.java:1548) at java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:481) at java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:471) at java.util.stream.ReduceOps$ReduceOp.evaluateSequential(ReduceOps.java:708) at java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:234) at java.util.stream.ReferencePipeline.reduce(ReferencePipeline.java:479) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.CegarAbsIntRunner$AbsIntPredicateUnifier.getOrConstructPredicateForConjunction(CegarAbsIntRunner.java:684) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.singletracecheck.PredicateUnifier.getOrConstructPredicateForConjunction(PredicateUnifier.java:239) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.getOrConstructPredicate(DeterministicInterpolantAutomaton.java:261) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.DeterministicInterpolantAutomaton.constructSuccessorsAndTransitions(DeterministicInterpolantAutomaton.java:283) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:78) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.BasicAbstractInterpolantAutomaton.computeSuccs(BasicAbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:234) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.interpolantautomata.transitionappender.AbstractInterpolantAutomaton.internalSuccessors(AbstractInterpolantAutomaton.java:1) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.TotalizeNwa.internalSuccessors(TotalizeNwa.java:213) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ComplementDeterministicNwa.internalSuccessors(ComplementDeterministicNwa.java:121) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:216) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.ProductNwa.internalSuccessors(ProductNwa.java:208) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.addInternalsAndSuccessors(NestedWordAutomatonReachableStates.java:1054) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates$ReachableStatesComputation.(NestedWordAutomatonReachableStates.java:956) at de.uni_freiburg.informatik.ultimate.automata.nestedword.reachablestates.NestedWordAutomatonReachableStates.(NestedWordAutomatonReachableStates.java:185) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.computeDifference(Difference.java:137) at de.uni_freiburg.informatik.ultimate.automata.nestedword.operations.Difference.(Difference.java:90) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.computeAutomataDifference(BasicCegarLoop.java:552) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.BasicCegarLoop.refineAbstraction(BasicCegarLoop.java:522) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterateInternal(AbstractCegarLoop.java:420) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.AbstractCegarLoop.iterate(AbstractCegarLoop.java:316) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.iterate(TraceAbstractionStarter.java:294) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.runCegarLoops(TraceAbstractionStarter.java:157) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionStarter.(TraceAbstractionStarter.java:113) at de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver.finish(TraceAbstractionObserver.java:117) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runObserver(PluginConnector.java:168) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.runTool(PluginConnector.java:151) at de.uni_freiburg.informatik.ultimate.core.coreplugin.PluginConnector.run(PluginConnector.java:128) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.executePluginConnector(ToolchainWalker.java:232) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.processPlugin(ToolchainWalker.java:226) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walkUnprotected(ToolchainWalker.java:142) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainWalker.walk(ToolchainWalker.java:104) at de.uni_freiburg.informatik.ultimate.core.coreplugin.ToolchainManager$Toolchain.processToolchain(ToolchainManager.java:324) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.DefaultToolchainJob.runToolchainDefault(DefaultToolchainJob.java:221) at de.uni_freiburg.informatik.ultimate.core.coreplugin.toolchain.BasicToolchainJob.run(BasicToolchainJob.java:134) at org.eclipse.core.internal.jobs.Worker.run(Worker.java:55) [2018-01-21 06:13:16,224 INFO L168 Benchmark]: Toolchain (without parser) took 7544.22 ms. Allocated memory was 298.8 MB in the beginning and 751.3 MB in the end (delta: 452.5 MB). Free memory was 257.8 MB in the beginning and 563.2 MB in the end (delta: -305.4 MB). Peak memory consumption was 147.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:13:16,225 INFO L168 Benchmark]: CDTParser took 0.23 ms. Allocated memory is still 298.8 MB. Free memory is still 263.7 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-21 06:13:16,225 INFO L168 Benchmark]: CACSL2BoogieTranslator took 219.39 ms. Allocated memory is still 298.8 MB. Free memory was 257.8 MB in the beginning and 243.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. [2018-01-21 06:13:16,226 INFO L168 Benchmark]: Boogie Preprocessor took 29.00 ms. Allocated memory is still 298.8 MB. Free memory was 243.8 MB in the beginning and 241.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:13:16,226 INFO L168 Benchmark]: RCFGBuilder took 298.01 ms. Allocated memory is still 298.8 MB. Free memory was 241.8 MB in the beginning and 220.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. [2018-01-21 06:13:16,227 INFO L168 Benchmark]: TraceAbstraction took 6989.87 ms. Allocated memory was 298.8 MB in the beginning and 751.3 MB in the end (delta: 452.5 MB). Free memory was 220.9 MB in the beginning and 563.2 MB in the end (delta: -342.3 MB). Peak memory consumption was 110.1 MB. Max. memory is 5.3 GB. [2018-01-21 06:13:16,228 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.23 ms. Allocated memory is still 298.8 MB. Free memory is still 263.7 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 219.39 ms. Allocated memory is still 298.8 MB. Free memory was 257.8 MB in the beginning and 243.8 MB in the end (delta: 13.9 MB). Peak memory consumption was 13.9 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 29.00 ms. Allocated memory is still 298.8 MB. Free memory was 243.8 MB in the beginning and 241.8 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 298.01 ms. Allocated memory is still 298.8 MB. Free memory was 241.8 MB in the beginning and 220.9 MB in the end (delta: 21.0 MB). Peak memory consumption was 21.0 MB. Max. memory is 5.3 GB. * TraceAbstraction took 6989.87 ms. Allocated memory was 298.8 MB in the beginning and 751.3 MB in the end (delta: 452.5 MB). Free memory was 220.9 MB in the beginning and 563.2 MB in the end (delta: -342.3 MB). Peak memory consumption was 110.1 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 12 LocStat_MAX_WEQGRAPH_SIZE : 1 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 62 LocStat_NO_SUPPORTING_DISEQUALITIES : 0 LocStat_NO_DISJUNCTIONS : -24 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 21 TransStat_MAX_WEQGRAPH_SIZE : 1 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 34 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 22 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.516175 RENAME_VARIABLES(MILLISECONDS) : 0.187085 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.216731 PROJECTAWAY(MILLISECONDS) : 0.027662 ADD_WEAK_EQUALITY(MILLISECONDS) : 3.788202 DISJOIN(MILLISECONDS) : 0.000000 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.223864 ADD_EQUALITY(MILLISECONDS) : 0.042846 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.015900 #CONJOIN_DISJUNCTIVE : 24 #RENAME_VARIABLES : 41 #UNFREEZE : 0 #CONJOIN : 50 #PROJECTAWAY : 42 #ADD_WEAK_EQUALITY : 1 #DISJOIN : 0 #RENAME_VARIABLES_DISJUNCTIVE : 40 #ADD_EQUALITY : 34 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 2 - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 14 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 81 LocStat_NO_SUPPORTING_DISEQUALITIES : 2 LocStat_NO_DISJUNCTIONS : -28 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 24 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 46 TransStat_NO_SUPPORTING_DISEQUALITIES : 5 TransStat_NO_DISJUNCTIONS : 25 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 0.250895 RENAME_VARIABLES(MILLISECONDS) : 0.044663 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 0.079424 PROJECTAWAY(MILLISECONDS) : 0.012117 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.057164 DISJOIN(MILLISECONDS) : 2.968088 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.065708 ADD_EQUALITY(MILLISECONDS) : 0.013472 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.007227 #CONJOIN_DISJUNCTIVE : 33 #RENAME_VARIABLES : 51 #UNFREEZE : 0 #CONJOIN : 66 #PROJECTAWAY : 49 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 50 #ADD_EQUALITY : 46 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 4 * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - ExceptionOrErrorResult: NullPointerException: null de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: NullPointerException: null: de.uni_freiburg.informatik.ultimate.modelcheckerutils.absint.vpdomain.WeqCongruenceClosure.(WeqCongruenceClosure.java:157) RESULT: Ultimate could not prove your program: Toolchain returned no result. Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test10_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-21_06-13-16-240.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test10_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-21_06-13-16-240.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test10_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-21_06-13-16-240.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test10_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-VPDomainBenchmark-1-2018-01-21_06-13-16-240.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/memleaks_test10_true-valid-memsafety_true-termination.i_mempurity-32bit-Automizer_Taipan+AI_EQ_precise.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-1-2018-01-21_06-13-16-240.csv Received shutdown request...