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_Taipan+AI_EQ.epf -i ../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i -------------------------------------------------------------------------------- This is Ultimate 0.1.23-6b94a2f [2018-01-24 15:11:48,409 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-01-24 15:11:48,411 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-01-24 15:11:48,427 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-01-24 15:11:48,427 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-01-24 15:11:48,428 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-01-24 15:11:48,429 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-01-24 15:11:48,431 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-01-24 15:11:48,433 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-01-24 15:11:48,434 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-01-24 15:11:48,435 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-01-24 15:11:48,435 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-01-24 15:11:48,436 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-01-24 15:11:48,438 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-01-24 15:11:48,439 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-01-24 15:11:48,441 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-01-24 15:11:48,443 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-01-24 15:11:48,445 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-01-24 15:11:48,447 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-01-24 15:11:48,448 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-01-24 15:11:48,450 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2018-01-24 15:11:48,455 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-01-24 15:11:48,456 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-01-24 15:11:48,456 INFO L98 SettingsManager]: Beginning loading settings from /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/ai/eq-bench/svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf [2018-01-24 15:11:48,465 INFO L110 SettingsManager]: Loading preferences was successful [2018-01-24 15:11:48,465 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-01-24 15:11:48,466 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-01-24 15:11:48,466 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-01-24 15:11:48,466 INFO L131 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2018-01-24 15:11:48,466 INFO L133 SettingsManager]: * Abstract domain for RCFG-of-the-future=VPDomain [2018-01-24 15:11:48,466 INFO L133 SettingsManager]: * Use the RCFG-of-the-future interface=true [2018-01-24 15:11:48,467 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-01-24 15:11:48,467 INFO L133 SettingsManager]: * sizeof long=4 [2018-01-24 15:11:48,467 INFO L133 SettingsManager]: * Check unreachability of error function in SV-COMP mode=false [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * Check for the main procedure if all allocated memory was freed=true [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * Bitprecise bitfields=true [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * SV-COMP memtrack compatibility mode=true [2018-01-24 15:11:48,468 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-01-24 15:11:48,469 INFO L133 SettingsManager]: * sizeof long double=12 [2018-01-24 15:11:48,469 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-01-24 15:11:48,469 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-01-24 15:11:48,469 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-01-24 15:11:48,469 INFO L133 SettingsManager]: * Add additional assume for each assert=false [2018-01-24 15:11:48,469 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-01-24 15:11:48,470 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-01-24 15:11:48,470 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-01-24 15:11:48,470 INFO L133 SettingsManager]: * Interpolant automaton=TWOTRACK [2018-01-24 15:11:48,470 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-01-24 15:11:48,470 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-01-24 15:11:48,471 INFO L133 SettingsManager]: * Trace refinement strategy=TAIPAN [2018-01-24 15:11:48,471 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-01-24 15:11:48,471 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-01-24 15:11:48,471 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2018-01-24 15:11:48,471 INFO L133 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES [2018-01-24 15:11:48,472 INFO L131 SettingsManager]: Preferences of IcfgTransformer differ from their defaults: [2018-01-24 15:11:48,472 INFO L133 SettingsManager]: * TransformationType=HEAP_SEPARATOR [2018-01-24 15:11:48,504 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-01-24 15:11:48,514 INFO L266 ainManager$Toolchain]: [Toolchain 1]: Parser(s) successfully initialized [2018-01-24 15:11:48,518 INFO L222 ainManager$Toolchain]: [Toolchain 1]: Toolchain data selected. [2018-01-24 15:11:48,519 INFO L271 PluginConnector]: Initializing CDTParser... [2018-01-24 15:11:48,519 INFO L276 PluginConnector]: CDTParser initialized [2018-01-24 15:11:48,519 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/array-memsafety/bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-01-24 15:11:48,658 INFO L304 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-01-24 15:11:48,663 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2018-01-24 15:11:48,664 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-01-24 15:11:48,664 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-01-24 15:11:48,669 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-01-24 15:11:48,670 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,672 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cdf0e68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48, skipping insertion in model container [2018-01-24 15:11:48,672 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,689 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 15:11:48,730 INFO L153 Dispatcher]: Using SV-COMP mode [2018-01-24 15:11:48,847 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 15:11:48,862 INFO L450 PostProcessor]: Settings: Checked method=main [2018-01-24 15:11:48,869 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48 WrapperNode [2018-01-24 15:11:48,869 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-01-24 15:11:48,870 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-01-24 15:11:48,870 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-01-24 15:11:48,870 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-01-24 15:11:48,887 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,888 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,899 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,899 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,903 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,907 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,908 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (1/1) ... [2018-01-24 15:11:48,910 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-01-24 15:11:48,911 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-01-24 15:11:48,911 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-01-24 15:11:48,911 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-01-24 15:11:48,912 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (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 [2018-01-24 15:11:48,973 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-01-24 15:11:48,973 INFO L136 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-01-24 15:11:48,974 INFO L136 BoogieDeclarations]: Found implementation of procedure bubbleSort [2018-01-24 15:11:48,974 INFO L136 BoogieDeclarations]: Found implementation of procedure main [2018-01-24 15:11:48,974 INFO L128 BoogieDeclarations]: Found specification of procedure write~int [2018-01-24 15:11:48,974 INFO L128 BoogieDeclarations]: Found specification of procedure read~int [2018-01-24 15:11:48,974 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.free [2018-01-24 15:11:48,974 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2018-01-24 15:11:48,974 INFO L128 BoogieDeclarations]: Found specification of procedure #Ultimate.alloc [2018-01-24 15:11:48,975 INFO L128 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-01-24 15:11:48,975 INFO L128 BoogieDeclarations]: Found specification of procedure bubbleSort [2018-01-24 15:11:48,975 INFO L128 BoogieDeclarations]: Found specification of procedure main [2018-01-24 15:11:48,975 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-01-24 15:11:48,975 INFO L128 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-01-24 15:11:49,211 INFO L257 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-01-24 15:11:49,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:11:49 BoogieIcfgContainer [2018-01-24 15:11:49,212 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-01-24 15:11:49,212 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-01-24 15:11:49,213 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-01-24 15:11:49,214 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-01-24 15:11:49,214 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.01 03:11:48" (1/3) ... [2018-01-24 15:11:49,215 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c802f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:11:49, skipping insertion in model container [2018-01-24 15:11:49,215 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.01 03:11:48" (2/3) ... [2018-01-24 15:11:49,216 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2c802f6d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.01 03:11:49, skipping insertion in model container [2018-01-24 15:11:49,216 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.01 03:11:49" (3/3) ... [2018-01-24 15:11:49,217 INFO L105 eAbstractionObserver]: Analyzing ICFG bubblesort-alloca_true-valid-memsafety_true-termination.i [2018-01-24 15:11:49,223 INFO L130 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-01-24 15:11:49,229 INFO L142 ceAbstractionStarter]: Appying trace abstraction to program that has 13 error locations. [2018-01-24 15:11:49,274 INFO L322 AbstractCegarLoop]: Interprodecural is true [2018-01-24 15:11:49,274 INFO L323 AbstractCegarLoop]: Hoare is true [2018-01-24 15:11:49,274 INFO L324 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-01-24 15:11:49,274 INFO L325 AbstractCegarLoop]: Backedges is TWOTRACK [2018-01-24 15:11:49,274 INFO L326 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-01-24 15:11:49,275 INFO L327 AbstractCegarLoop]: Difference is false [2018-01-24 15:11:49,275 INFO L328 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-01-24 15:11:49,275 INFO L333 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-01-24 15:11:49,276 INFO L87 2NestedWordAutomaton]: Mode: main mode - execution starts in main procedure [2018-01-24 15:11:49,296 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states. [2018-01-24 15:11:49,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-24 15:11:49,303 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:11:49,304 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 15:11:49,304 INFO L371 AbstractCegarLoop]: === Iteration 1 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 15:11:49,310 INFO L82 PathProgramCache]: Analyzing trace with hash 334121063, now seen corresponding path program 1 times [2018-01-24 15:11:49,312 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:11:49,362 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:49,363 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:49,363 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:49,363 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:11:49,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:49,424 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:11:49,579 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:11:49,582 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:11:49,582 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 15:11:49,582 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:11:49,586 INFO L409 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-01-24 15:11:49,598 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-01-24 15:11:49,598 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2018-01-24 15:11:49,600 INFO L87 Difference]: Start difference. First operand 48 states. Second operand 6 states. [2018-01-24 15:11:49,882 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:11:49,882 INFO L93 Difference]: Finished difference Result 79 states and 94 transitions. [2018-01-24 15:11:49,883 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 15:11:49,884 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 16 [2018-01-24 15:11:49,884 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:11:49,891 INFO L225 Difference]: With dead ends: 79 [2018-01-24 15:11:49,891 INFO L226 Difference]: Without dead ends: 39 [2018-01-24 15:11:49,894 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=17, Invalid=39, Unknown=0, NotChecked=0, Total=56 [2018-01-24 15:11:49,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-24 15:11:49,918 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2018-01-24 15:11:49,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2018-01-24 15:11:49,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 42 transitions. [2018-01-24 15:11:49,921 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 42 transitions. Word has length 16 [2018-01-24 15:11:49,922 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:11:49,922 INFO L432 AbstractCegarLoop]: Abstraction has 39 states and 42 transitions. [2018-01-24 15:11:49,922 INFO L433 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-01-24 15:11:49,922 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 42 transitions. [2018-01-24 15:11:49,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-01-24 15:11:49,922 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:11:49,923 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 15:11:49,923 INFO L371 AbstractCegarLoop]: === Iteration 2 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 15:11:49,923 INFO L82 PathProgramCache]: Analyzing trace with hash 334121064, now seen corresponding path program 1 times [2018-01-24 15:11:49,923 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:11:49,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:49,924 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:49,924 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:49,924 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:11:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:49,946 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:11:50,128 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:11:50,128 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:11:50,128 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2018-01-24 15:11:50,128 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:11:50,130 INFO L409 AbstractCegarLoop]: Interpolant automaton has 8 states [2018-01-24 15:11:50,130 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2018-01-24 15:11:50,131 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2018-01-24 15:11:50,131 INFO L87 Difference]: Start difference. First operand 39 states and 42 transitions. Second operand 8 states. [2018-01-24 15:11:50,443 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:11:50,443 INFO L93 Difference]: Finished difference Result 62 states and 68 transitions. [2018-01-24 15:11:50,444 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 15:11:50,444 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 16 [2018-01-24 15:11:50,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:11:50,448 INFO L225 Difference]: With dead ends: 62 [2018-01-24 15:11:50,448 INFO L226 Difference]: Without dead ends: 56 [2018-01-24 15:11:50,449 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=36, Invalid=96, Unknown=0, NotChecked=0, Total=132 [2018-01-24 15:11:50,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2018-01-24 15:11:50,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 50. [2018-01-24 15:11:50,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 50 states. [2018-01-24 15:11:50,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 50 states and 55 transitions. [2018-01-24 15:11:50,458 INFO L78 Accepts]: Start accepts. Automaton has 50 states and 55 transitions. Word has length 16 [2018-01-24 15:11:50,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:11:50,459 INFO L432 AbstractCegarLoop]: Abstraction has 50 states and 55 transitions. [2018-01-24 15:11:50,459 INFO L433 AbstractCegarLoop]: Interpolant automaton has 8 states. [2018-01-24 15:11:50,459 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 55 transitions. [2018-01-24 15:11:50,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-01-24 15:11:50,460 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:11:50,460 INFO L322 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 15:11:50,460 INFO L371 AbstractCegarLoop]: === Iteration 3 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 15:11:50,460 INFO L82 PathProgramCache]: Analyzing trace with hash 1789385763, now seen corresponding path program 1 times [2018-01-24 15:11:50,461 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:11:50,462 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:50,462 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:50,462 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:50,462 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:11:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:50,475 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:11:50,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:11:50,525 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:11:50,525 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-01-24 15:11:50,525 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:11:50,526 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 15:11:50,526 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 15:11:50,526 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-01-24 15:11:50,526 INFO L87 Difference]: Start difference. First operand 50 states and 55 transitions. Second operand 5 states. [2018-01-24 15:11:50,595 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:11:50,595 INFO L93 Difference]: Finished difference Result 89 states and 98 transitions. [2018-01-24 15:11:50,596 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 15:11:50,596 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 19 [2018-01-24 15:11:50,596 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:11:50,599 INFO L225 Difference]: With dead ends: 89 [2018-01-24 15:11:50,599 INFO L226 Difference]: Without dead ends: 82 [2018-01-24 15:11:50,599 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2018-01-24 15:11:50,600 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2018-01-24 15:11:50,609 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 52. [2018-01-24 15:11:50,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2018-01-24 15:11:50,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 57 transitions. [2018-01-24 15:11:50,612 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 57 transitions. Word has length 19 [2018-01-24 15:11:50,612 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:11:50,612 INFO L432 AbstractCegarLoop]: Abstraction has 52 states and 57 transitions. [2018-01-24 15:11:50,612 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 15:11:50,612 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 57 transitions. [2018-01-24 15:11:50,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-01-24 15:11:50,613 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:11:50,614 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 15:11:50,614 INFO L371 AbstractCegarLoop]: === Iteration 4 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 15:11:50,614 INFO L82 PathProgramCache]: Analyzing trace with hash -120775682, now seen corresponding path program 1 times [2018-01-24 15:11:50,614 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:11:50,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:50,615 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:50,615 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:50,616 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:11:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:50,631 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:11:50,686 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-01-24 15:11:50,686 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:11:50,686 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2018-01-24 15:11:50,686 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:11:50,687 INFO L409 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-01-24 15:11:50,687 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-01-24 15:11:50,687 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 15:11:50,687 INFO L87 Difference]: Start difference. First operand 52 states and 57 transitions. Second operand 5 states. [2018-01-24 15:11:50,739 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:11:50,740 INFO L93 Difference]: Finished difference Result 58 states and 64 transitions. [2018-01-24 15:11:50,740 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2018-01-24 15:11:50,740 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 22 [2018-01-24 15:11:50,740 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:11:50,741 INFO L225 Difference]: With dead ends: 58 [2018-01-24 15:11:50,741 INFO L226 Difference]: Without dead ends: 53 [2018-01-24 15:11:50,742 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2018-01-24 15:11:50,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 53 states. [2018-01-24 15:11:50,748 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 53 to 40. [2018-01-24 15:11:50,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 40 states. [2018-01-24 15:11:50,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 40 states to 40 states and 44 transitions. [2018-01-24 15:11:50,750 INFO L78 Accepts]: Start accepts. Automaton has 40 states and 44 transitions. Word has length 22 [2018-01-24 15:11:50,750 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:11:50,750 INFO L432 AbstractCegarLoop]: Abstraction has 40 states and 44 transitions. [2018-01-24 15:11:50,750 INFO L433 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-01-24 15:11:50,750 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 44 transitions. [2018-01-24 15:11:50,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-01-24 15:11:50,751 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:11:50,751 INFO L322 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 15:11:50,752 INFO L371 AbstractCegarLoop]: === Iteration 5 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 15:11:50,752 INFO L82 PathProgramCache]: Analyzing trace with hash 550921116, now seen corresponding path program 1 times [2018-01-24 15:11:50,752 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:11:50,753 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:50,753 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:50,753 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:50,753 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:11:50,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:50,768 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:11:50,878 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 15:11:50,879 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 15:11:50,879 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode ABSTRACT_INTERPRETATION [2018-01-24 15:11:50,880 INFO L199 CegarAbsIntRunner]: Running AI on error trace of length 24 with the following transitions: [2018-01-24 15:11:50,882 INFO L201 CegarAbsIntRunner]: [0], [4], [9], [13], [18], [19], [22], [24], [43], [45], [54], [55], [59], [64], [66], [67], [74], [75], [76], [78] [2018-01-24 15:11:50,926 INFO L147 AbstractInterpreter]: Using domain VPDomain [2018-01-24 15:11:50,926 INFO L101 FixpointEngine]: Starting fixpoint engine with domain VPDomain (maxUnwinding=3, maxParallelStates=2) [2018-01-24 15:11:51,185 INFO L259 AbstractInterpreter]: Some error location(s) were reachable [2018-01-24 15:11:51,186 INFO L268 AbstractInterpreter]: Visited 20 different actions 27 times. Merged at 7 different actions 7 times. Never widened. Found 1 fixpoints after 1 different actions. Largest state had 22 variables. [2018-01-24 15:11:51,211 INFO L434 seRefinementStrategy]: Interpolation failed due to KNOWN_IGNORE: Unknown [2018-01-24 15:11:51,212 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 15:11:51,212 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode Z3_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-01-24 15:11:51,225 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:51,225 INFO L280 anRefinementStrategy]: Using traceCheck mode Z3_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 15:11:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:51,268 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 15:11:51,295 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 15:11:51,296 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 15:11:51,301 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 15:11:51,301 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 15:11:51,514 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 15:11:51,514 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 15:11:51,741 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 15:11:51,768 INFO L308 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-01-24 15:11:51,768 INFO L187 anRefinementStrategy]: Switched to InterpolantGenerator mode CVC4_IG No working directory specified, using /storage/ultimate/releaseScripts/default/UAutomizer-linux/cvc4 Starting monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with cvc4 --tear-down-incremental --print-success --lang smt --rewrite-divk --tlimit-per=12000 [2018-01-24 15:11:51,772 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:51,772 INFO L280 anRefinementStrategy]: Using traceCheck mode CVC4_IG with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: FPandBP) [2018-01-24 15:11:51,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:51,798 INFO L270 TraceCheckSpWp]: Computing forward predicates... [2018-01-24 15:11:51,803 INFO L477 Elim1Store]: Elim1 did not use preprocessing eliminated variable of array dimension 1, 1 stores, 0 select indices, 0 select index equivalence classes, 0 disjoint index pairs (out of 0 index pairs), introduced 0 new quantified variables, introduced 0 case distinctions, treesize of input 8 treesize of output 7 [2018-01-24 15:11:51,804 INFO L267 ElimStorePlain]: Start of recursive call 2: End of recursive call: and 1 xjuncts. [2018-01-24 15:11:51,808 INFO L267 ElimStorePlain]: Start of recursive call 1: 1 dim-1 vars, End of recursive call: and 1 xjuncts. [2018-01-24 15:11:51,808 INFO L202 ElimStorePlain]: Needed 2 recursive calls to eliminate 1 variables, input treesize:12, output treesize:11 [2018-01-24 15:11:52,076 WARN L143 SmtUtils]: Spent 219ms on a formula simplification that was a NOOP. DAG size: 15 [2018-01-24 15:11:52,248 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 15:11:52,248 INFO L314 TraceCheckSpWp]: Computing backward predicates... [2018-01-24 15:11:52,328 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 15:11:52,330 INFO L320 seRefinementStrategy]: Constructing automaton from 0 perfect and 5 imperfect interpolant sequences. [2018-01-24 15:11:52,330 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [7, 7, 7, 7, 7] total 23 [2018-01-24 15:11:52,330 INFO L247 anRefinementStrategy]: Using the first two imperfect interpolant sequences [2018-01-24 15:11:52,331 INFO L409 AbstractCegarLoop]: Interpolant automaton has 14 states [2018-01-24 15:11:52,331 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2018-01-24 15:11:52,331 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=80, Invalid=472, Unknown=0, NotChecked=0, Total=552 [2018-01-24 15:11:52,332 INFO L87 Difference]: Start difference. First operand 40 states and 44 transitions. Second operand 14 states. [2018-01-24 15:11:52,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:11:52,604 INFO L93 Difference]: Finished difference Result 40 states and 44 transitions. [2018-01-24 15:11:52,604 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2018-01-24 15:11:52,604 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 23 [2018-01-24 15:11:52,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:11:52,605 INFO L225 Difference]: With dead ends: 40 [2018-01-24 15:11:52,605 INFO L226 Difference]: Without dead ends: 39 [2018-01-24 15:11:52,606 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 102 GetRequests, 72 SyntacticMatches, 4 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 149 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=133, Invalid=623, Unknown=0, NotChecked=0, Total=756 [2018-01-24 15:11:52,606 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2018-01-24 15:11:52,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 35. [2018-01-24 15:11:52,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 35 states. [2018-01-24 15:11:52,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 35 states and 38 transitions. [2018-01-24 15:11:52,611 INFO L78 Accepts]: Start accepts. Automaton has 35 states and 38 transitions. Word has length 23 [2018-01-24 15:11:52,611 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:11:52,611 INFO L432 AbstractCegarLoop]: Abstraction has 35 states and 38 transitions. [2018-01-24 15:11:52,611 INFO L433 AbstractCegarLoop]: Interpolant automaton has 14 states. [2018-01-24 15:11:52,612 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 38 transitions. [2018-01-24 15:11:52,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-01-24 15:11:52,612 INFO L314 BasicCegarLoop]: Found error trace [2018-01-24 15:11:52,613 INFO L322 BasicCegarLoop]: trace histogram [2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-01-24 15:11:52,613 INFO L371 AbstractCegarLoop]: === Iteration 6 === [bubbleSortErr7RequiresViolation, bubbleSortErr11RequiresViolation, bubbleSortErr0RequiresViolation, bubbleSortErr3RequiresViolation, bubbleSortErr9RequiresViolation, bubbleSortErr1RequiresViolation, bubbleSortErr2RequiresViolation, bubbleSortErr8RequiresViolation, bubbleSortErr6RequiresViolation, bubbleSortErr10RequiresViolation, bubbleSortErr4RequiresViolation, bubbleSortErr5RequiresViolation, mainErr0EnsuresViolation]=== [2018-01-24 15:11:52,613 INFO L82 PathProgramCache]: Analyzing trace with hash -996967546, now seen corresponding path program 1 times [2018-01-24 15:11:52,613 INFO L67 tionRefinementEngine]: Using refinement strategy TaipanRefinementStrategy [2018-01-24 15:11:52,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:52,614 INFO L101 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-01-24 15:11:52,614 INFO L117 rtionOrderModulation]: Craig nested/tree interpolation forces the following order [2018-01-24 15:11:52,614 INFO L280 anRefinementStrategy]: Using traceCheck mode SMTINTERPOL with AssertCodeBlockOrder NOT_INCREMENTALLY (IT: Craig_TreeInterpolation) [2018-01-24 15:11:52,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-01-24 15:11:52,628 WARN L137 erpolLogProxyWrapper]: Using partial proofs (cut at CNF-level). Set option :produce-proofs to true to get complete proofs. [2018-01-24 15:11:52,663 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-01-24 15:11:52,663 INFO L320 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-01-24 15:11:52,663 INFO L335 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-01-24 15:11:52,663 INFO L252 anRefinementStrategy]: Using the first perfect interpolant sequence [2018-01-24 15:11:52,663 INFO L409 AbstractCegarLoop]: Interpolant automaton has 4 states [2018-01-24 15:11:52,664 INFO L132 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2018-01-24 15:11:52,664 INFO L133 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2018-01-24 15:11:52,664 INFO L87 Difference]: Start difference. First operand 35 states and 38 transitions. Second operand 4 states. [2018-01-24 15:11:52,696 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-01-24 15:11:52,696 INFO L93 Difference]: Finished difference Result 35 states and 38 transitions. [2018-01-24 15:11:52,697 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2018-01-24 15:11:52,697 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 24 [2018-01-24 15:11:52,697 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-01-24 15:11:52,697 INFO L225 Difference]: With dead ends: 35 [2018-01-24 15:11:52,697 INFO L226 Difference]: Without dead ends: 0 [2018-01-24 15:11:52,698 INFO L525 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2018-01-24 15:11:52,698 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-01-24 15:11:52,698 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-01-24 15:11:52,698 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-01-24 15:11:52,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-01-24 15:11:52,698 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 24 [2018-01-24 15:11:52,698 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-01-24 15:11:52,698 INFO L432 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-01-24 15:11:52,698 INFO L433 AbstractCegarLoop]: Interpolant automaton has 4 states. [2018-01-24 15:11:52,698 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-01-24 15:11:52,699 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-01-24 15:11:52,702 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-01-24 15:11:52,879 WARN L146 SmtUtils]: Spent 107ms on a formula simplification. DAG size of input: 61 DAG size of output 46 [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr2RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point L546(line 546) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point L544(lines 544 550) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr3RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point L543(lines 543 551) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-01-24 15:11:52,962 INFO L401 ceAbstractionStarter]: For program point L547(line 547) no Hoare annotation was computed. [2018-01-24 15:11:52,963 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr1RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,963 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr4RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,963 INFO L401 ceAbstractionStarter]: For program point L546'(line 546) no Hoare annotation was computed. [2018-01-24 15:11:52,963 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr0RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,963 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr10RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,963 INFO L397 ceAbstractionStarter]: At program point L543'''(lines 543 551) the Hoare annotation is: (or (and (and (= bubbleSort_~numbers.offset 0) (= 1 (select |#valid| bubbleSort_~numbers.base))) (exists ((v_main_~array_size~6_BEFORE_CALL_2 Int)) (and (= (* 4 v_main_~array_size~6_BEFORE_CALL_2) (select |#length| bubbleSort_~numbers.base)) (<= (+ bubbleSort_~i~2 1) v_main_~array_size~6_BEFORE_CALL_2)))) (not (= (select |#valid| |bubbleSort_#in~numbers.base|) 1)) (not (= 0 |bubbleSort_#in~numbers.offset|)) (not (exists ((v_main_~array_size~6_BEFORE_CALL_3 Int)) (and (= (* 4 v_main_~array_size~6_BEFORE_CALL_3) (select |#length| |bubbleSort_#in~numbers.base|)) (<= |bubbleSort_#in~array_size| v_main_~array_size~6_BEFORE_CALL_3))))) [2018-01-24 15:11:52,963 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr6RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point L545''(line 545) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point L543''(lines 543 551) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point L547'(line 547) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point L547''(line 547) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L397 ceAbstractionStarter]: At program point L544'''(lines 544 550) the Hoare annotation is: (or (let ((.cse0 (= bubbleSort_~numbers.offset 0)) (.cse1 (= 1 (select |#valid| bubbleSort_~numbers.base))) (.cse2 (exists ((v_main_~array_size~6_BEFORE_CALL_2 Int)) (and (= (* 4 v_main_~array_size~6_BEFORE_CALL_2) (select |#length| bubbleSort_~numbers.base)) (<= (+ bubbleSort_~i~2 1) v_main_~array_size~6_BEFORE_CALL_2))))) (or (and .cse0 (= bubbleSort_~j~2 1) .cse1 .cse2) (let ((.cse3 (+ (* 4 bubbleSort_~j~2) bubbleSort_~numbers.offset))) (and .cse0 (<= 8 .cse3) (<= .cse3 (select |#length| bubbleSort_~numbers.base)) .cse1 .cse2)))) (not (= (select |#valid| |bubbleSort_#in~numbers.base|) 1)) (not (= 0 |bubbleSort_#in~numbers.offset|)) (not (exists ((v_main_~array_size~6_BEFORE_CALL_3 Int)) (and (= (* 4 v_main_~array_size~6_BEFORE_CALL_3) (select |#length| |bubbleSort_#in~numbers.base|)) (<= |bubbleSort_#in~array_size| v_main_~array_size~6_BEFORE_CALL_3))))) [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr7RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point L543''''(lines 543 551) no Hoare annotation was computed. [2018-01-24 15:11:52,964 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr8RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr9RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point bubbleSortEXIT(lines 540 552) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr5RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point bubbleSortErr11RequiresViolation(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point L545'(line 545) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point L544''(lines 544 550) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L404 ceAbstractionStarter]: At program point bubbleSortENTRY(lines 540 552) the Hoare annotation is: true [2018-01-24 15:11:52,965 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,965 INFO L397 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(lines 1 561) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 15:11:52,966 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,966 INFO L404 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(lines 1 561) the Hoare annotation is: true [2018-01-24 15:11:52,966 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,966 INFO L404 ceAbstractionStarter]: At program point L1(lines 1 561) the Hoare annotation is: true [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(lines 1 561) no Hoare annotation was computed. [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point mainFINAL(lines 553 561) no Hoare annotation was computed. [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point L555(lines 555 557) no Hoare annotation was computed. [2018-01-24 15:11:52,967 INFO L397 ceAbstractionStarter]: At program point L559(line 559) the Hoare annotation is: (let ((.cse0 (* 4 main_~array_size~6))) (and (= .cse0 (select |#length| |main_#t~malloc9.base|)) (= 0 |main_#t~malloc9.offset|) (= 0 main_~numbers~6.offset) (<= 1 main_~array_size~6) (= 1 (select |#valid| |main_#t~malloc9.base|)) (= 1 (select |#valid| main_~numbers~6.base)) (= (store |#valid| |main_#t~malloc9.base| 0) |old(#valid)|) (= .cse0 (select |#length| main_~numbers~6.base)))) [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point L558(line 558) no Hoare annotation was computed. [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point mainEXIT(lines 553 561) no Hoare annotation was computed. [2018-01-24 15:11:52,967 INFO L397 ceAbstractionStarter]: At program point mainENTRY(lines 553 561) the Hoare annotation is: (= |#valid| |old(#valid)|) [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point L558''(line 558) no Hoare annotation was computed. [2018-01-24 15:11:52,967 INFO L401 ceAbstractionStarter]: For program point L558'(line 558) no Hoare annotation was computed. [2018-01-24 15:11:52,968 INFO L401 ceAbstractionStarter]: For program point L555''(lines 555 557) no Hoare annotation was computed. [2018-01-24 15:11:52,968 INFO L401 ceAbstractionStarter]: For program point L559'(line 559) no Hoare annotation was computed. [2018-01-24 15:11:52,968 INFO L401 ceAbstractionStarter]: For program point mainErr0EnsuresViolation(lines 553 561) no Hoare annotation was computed. [2018-01-24 15:11:52,976 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,977 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,977 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,978 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,980 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,981 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,981 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,981 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,985 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,985 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,986 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,986 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,986 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,986 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,987 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,987 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,987 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,987 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,990 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,990 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,990 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,990 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,991 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,991 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,992 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:52,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,993 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:52,993 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,994 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:52,995 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 24.01 03:11:52 BoogieIcfgContainer [2018-01-24 15:11:52,995 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-01-24 15:11:52,996 INFO L168 Benchmark]: Toolchain (without parser) took 4337.85 ms. Allocated memory was 302.5 MB in the beginning and 505.4 MB in the end (delta: 202.9 MB). Free memory was 261.6 MB in the beginning and 408.8 MB in the end (delta: -147.2 MB). Peak memory consumption was 55.7 MB. Max. memory is 5.3 GB. [2018-01-24 15:11:52,997 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 302.5 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 5.3 GB. [2018-01-24 15:11:52,997 INFO L168 Benchmark]: CACSL2BoogieTranslator took 205.91 ms. Allocated memory is still 302.5 MB. Free memory was 261.6 MB in the beginning and 251.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. [2018-01-24 15:11:52,998 INFO L168 Benchmark]: Boogie Preprocessor took 40.85 ms. Allocated memory is still 302.5 MB. Free memory was 251.6 MB in the beginning and 249.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. [2018-01-24 15:11:52,998 INFO L168 Benchmark]: RCFGBuilder took 301.03 ms. Allocated memory is still 302.5 MB. Free memory was 249.6 MB in the beginning and 231.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. [2018-01-24 15:11:52,999 INFO L168 Benchmark]: TraceAbstraction took 3782.88 ms. Allocated memory was 302.5 MB in the beginning and 505.4 MB in the end (delta: 202.9 MB). Free memory was 231.1 MB in the beginning and 408.8 MB in the end (delta: -177.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. [2018-01-24 15:11:53,001 INFO L344 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 302.5 MB. Free memory is still 267.6 MB. There was no memory consumed. Max. memory is 5.3 GB. * CACSL2BoogieTranslator took 205.91 ms. Allocated memory is still 302.5 MB. Free memory was 261.6 MB in the beginning and 251.6 MB in the end (delta: 10.0 MB). Peak memory consumption was 10.0 MB. Max. memory is 5.3 GB. * Boogie Preprocessor took 40.85 ms. Allocated memory is still 302.5 MB. Free memory was 251.6 MB in the beginning and 249.6 MB in the end (delta: 2.0 MB). Peak memory consumption was 2.0 MB. Max. memory is 5.3 GB. * RCFGBuilder took 301.03 ms. Allocated memory is still 302.5 MB. Free memory was 249.6 MB in the beginning and 231.1 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 5.3 GB. * TraceAbstraction took 3782.88 ms. Allocated memory was 302.5 MB in the beginning and 505.4 MB in the end (delta: 202.9 MB). Free memory was 231.1 MB in the beginning and 408.8 MB in the end (delta: -177.7 MB). Peak memory consumption was 25.2 MB. Max. memory is 5.3 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.analysis.abstractinterpretationv2: - StatisticsResult: ArrayEqualityDomainStatistics #Locations : 19 LocStat_MAX_WEQGRAPH_SIZE : 2 LocStat_MAX_SIZEOF_WEQEDGELABEL : 1 LocStat_NO_SUPPORTING_EQUALITIES : 161 LocStat_NO_SUPPORTING_DISEQUALITIES : 14 LocStat_NO_DISJUNCTIONS : -38 LocStat_MAX_NO_DISJUNCTIONS : -1 #Transitions : 26 TransStat_MAX_WEQGRAPH_SIZE : 2 TransStat_MAX_SIZEOF_WEQEDGELABEL : 1 TransStat_NO_SUPPORTING_EQUALITIES : 42 TransStat_NO_SUPPORTING_DISEQUALITIES : 2 TransStat_NO_DISJUNCTIONS : 27 TransStat_MAX_NO_DISJUNCTIONS : 2 - StatisticsResult: EqConstraintFactoryStatistics CONJOIN_DISJUNCTIVE(MILLISECONDS) : 1.415442 RENAME_VARIABLES(MILLISECONDS) : 0.570161 UNFREEZE(MILLISECONDS) : 0.000000 CONJOIN(MILLISECONDS) : 1.364392 PROJECTAWAY(MILLISECONDS) : 0.306626 ADD_WEAK_EQUALITY(MILLISECONDS) : 0.189241 DISJOIN(MILLISECONDS) : 2.296614 RENAME_VARIABLES_DISJUNCTIVE(MILLISECONDS) : 0.620335 ADD_EQUALITY(MILLISECONDS) : 0.040359 DISJOIN_DISJUNCTIVE(MILLISECONDS) : 0.000000 ADD_DISEQUALITY(MILLISECONDS) : 0.038040 #CONJOIN_DISJUNCTIVE : 41 #RENAME_VARIABLES : 65 #UNFREEZE : 0 #CONJOIN : 69 #PROJECTAWAY : 60 #ADD_WEAK_EQUALITY : 3 #DISJOIN : 1 #RENAME_VARIABLES_DISJUNCTIVE : 63 #ADD_EQUALITY : 42 #DISJOIN_DISJUNCTIVE : 0 #ADD_DISEQUALITY : 1 * Results from de.uni_freiburg.informatik.ultimate.boogie.preprocessor: - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] - GenericResult: Unfinished Backtranslation Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length - GenericResult: Unfinished Backtranslation unknown boogie variable #length * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 1]: pointer dereference always succeeds For all program executions holds that pointer dereference always succeeds at this location - PositiveResult [Line: 553]: all allocated memory was freed For all program executions holds that all allocated memory was freed at this location - AllSpecificationsHoldResult: All specifications hold 13 specifications checked. All of them hold - InvariantResult [Line: 544]: Loop Invariant [2018-01-24 15:11:53,009 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,009 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,010 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,010 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,010 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,010 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,010 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,011 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,011 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,011 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,013 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,013 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,013 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,014 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,014 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,014 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,014 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,014 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,015 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,015 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((((numbers == 0 && j == 1) && 1 == \valid[numbers]) && (\exists v_main_~array_size~6_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && i + 1 <= v_main_~array_size~6_BEFORE_CALL_2)) || ((((numbers == 0 && 8 <= 4 * j + numbers) && 4 * j + numbers <= unknown-#length-unknown[numbers]) && 1 == \valid[numbers]) && (\exists v_main_~array_size~6_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && i + 1 <= v_main_~array_size~6_BEFORE_CALL_2))) || !(\valid[numbers] == 1)) || !(0 == numbers)) || !(\exists v_main_~array_size~6_BEFORE_CALL_3 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_3 == unknown-#length-unknown[numbers] && \old(array_size) <= v_main_~array_size~6_BEFORE_CALL_3) - InvariantResult [Line: 543]: Loop Invariant [2018-01-24 15:11:53,016 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,017 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,017 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,018 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_2,QUANTIFIED] [2018-01-24 15:11:53,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,019 WARN L343 cessorBacktranslator]: Identifier is quantified, using identity as back-translation of IdentifierExpression[v_main_~array_size~6_BEFORE_CALL_3,QUANTIFIED] [2018-01-24 15:11:53,019 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length [2018-01-24 15:11:53,020 WARN L1215 BoogieBacktranslator]: unknown boogie variable #length Derived loop invariant: ((((numbers == 0 && 1 == \valid[numbers]) && (\exists v_main_~array_size~6_BEFORE_CALL_2 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_2 == unknown-#length-unknown[numbers] && i + 1 <= v_main_~array_size~6_BEFORE_CALL_2)) || !(\valid[numbers] == 1)) || !(0 == numbers)) || !(\exists v_main_~array_size~6_BEFORE_CALL_3 : int :: 4 * v_main_~array_size~6_BEFORE_CALL_3 == unknown-#length-unknown[numbers] && \old(array_size) <= v_main_~array_size~6_BEFORE_CALL_3) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 48 locations, 13 error locations. SAFE Result, 3.7s OverallTime, 6 OverallIterations, 2 TraceHistogramMax, 1.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 172 SDtfs, 348 SDslu, 389 SDs, 0 SdLazy, 414 SolverSat, 39 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136 GetRequests, 79 SyntacticMatches, 4 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 155 ImplicationChecksByTransitivity, 1.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=52occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.3s AbstIntTime, 1 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, AutomataMinimizationStatistics: 0.0s AutomataMinimizationTime, 6 MinimizatonAttempts, 53 StatesRemovedByMinimization, 4 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 8 LocationsWithAnnotation, 8 PreInvPairs, 11 NumberOfFragments, 187 HoareAnnotationTreeSize, 8 FomulaSimplifications, 215 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 8 FomulaSimplificationsInter, 325 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.5s InterpolantComputationTime, 166 NumberOfCodeBlocks, 166 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 202 ConstructedInterpolants, 52 QuantifiedInterpolants, 37569 SizeOfPredicates, 20 NumberOfNonLiveVariables, 180 ConjunctsInSsa, 38 ConjunctsInUnsatCore, 10 InterpolantComputations, 5 PerfectInterpolantSequences, 15/25 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, REUSE_STATISTICS: No data available RESULT: Ultimate proved your program to be correct! Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-Benchmark-0-2018-01-24_15-11-53-025.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-VPDomainBenchmark-0-2018-01-24_15-11-53-025.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-BenchmarkWithCounters-0-2018-01-24_15-11-53-025.csv Written .csv to /storage/ultimate/releaseScripts/default/UAutomizer-linux/../../../releaseScripts/default/UAutomizer-linux/csv/bubblesort-alloca_true-valid-memsafety_true-termination.i_svcomp-DerefFreeMemtrack-32bit-Automizer_Taipan+AI_EQ.epf_AutomizerC.xml/Csv-TraceAbstractionBenchmarks-0-2018-01-24_15-11-53-025.csv Received shutdown request...